CN104490399A - Human body motion information acquiring method and device - Google Patents
Human body motion information acquiring method and device Download PDFInfo
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- CN104490399A CN104490399A CN201410802218.9A CN201410802218A CN104490399A CN 104490399 A CN104490399 A CN 104490399A CN 201410802218 A CN201410802218 A CN 201410802218A CN 104490399 A CN104490399 A CN 104490399A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1116—Determining posture transitions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4806—Sleep evaluation
- A61B5/4815—Sleep quality
Abstract
The invention discloses a human body motion information acquiring method and device. The method includes: for two human bodies on a deformable surface in a first period, acquiring first deformation data of the deformable surface corresponding to the first human body and second deformation data of the deformable surface corresponding to the second human body; acquiring motion information of at least one of the two human bodies, according to the first deformation data, the second deformation data and detection interference which the motion condition of any one of the two human bodies has upon the deformation data of the deformable surface corresponding to the other human body. The human body motion information acquiring method and device has the advantages that accuracy of acquired human body motion information is improved and more effective reference data is provided for the practical applications such as indication of body sleep quality.
Description
Technical field
The embodiment of the present application relates to a kind of sensing detection technology, particularly a kind of human motion information capture method and apparatus.
Background technology
The quality of sleep quality has important impact to the physical and mental health of a people, live and work state.At present, increasing people starts the sleep quality paying close attention to oneself, by such as wearing Intelligent bracelet, selecting to be provided with the mode such as intelligent alterable shape surface, medicated pillow, bedding of sensor, sleep procedure is monitored, utilizes monitor data better to understand the sleep quality of oneself.
Summary of the invention
Give the brief overview about the application hereinafter, so as to provide about the application some in basic comprehension.Should be appreciated that this general introduction is not summarize about the exhaustive of the application.It is not that intention determines key or the pith of the application, neither the scope of intended limitation the application.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
The application provides a kind of human motion information capture method and apparatus.
On the one hand, the embodiment of the present application provides a kind of human motion information capture method, comprising:
Obtain two human bodies simultaneously within a time period of a deformable surface, the first thermomechanical processing of the described deformable surface corresponding with the first human body and the second thermomechanical processing of the described deformable surface corresponding with the second human body;
Detection according to the thermomechanical processing of the motion conditions pair described deformable surface corresponding with another human body of arbitrary human body in described first thermomechanical processing, described second thermomechanical processing and described two human bodies is disturbed, and obtains the movable information of at least one human body in described two human bodies.
In conjunction with any one implementation of the human motion information capture method that the embodiment of the present application provides on the one hand, optionally, obtain described first thermomechanical processing and described second thermomechanical processing comprises: described first thermomechanical processing that the deformation data obtaining described deformable surface within the time period described in the first motion sensor senses obtains, wherein, the distance between described first motion sensor and described first human body is less than the distance between described first motion sensor and described second human body; Obtain described second thermomechanical processing that the deformation data of described deformable surface obtains within the time period described in the second motion sensor senses, wherein, the distance between described second motion sensor and described first human body is greater than the distance between described second motion sensor and described second human body.
In conjunction with any one implementation of the human motion information capture method that the embodiment of the present application provides on the one hand, optionally, obtain and the movable information of at least one human body in described two human bodies, comprising: determine the first detected value in the detection time window of described first thermomechanical processing within the described time period and described second thermomechanical processing the second detected value in described detection time window; According to described first detected value and described second detected value, determine first probability of interference of described first detected value by the motion conditions of described second human body, and obtain the movable information of described first human body according to described first probability of interference and described first thermomechanical processing; And/or, according to described first detected value and described second detected value, determine second probability of interference of described second detected value by the motion conditions of described first human body, and obtain the movable information of described second human body according to described second probability of interference and described second thermomechanical processing.
In conjunction with any one implementation of the human motion information capture method that the embodiment of the present application provides on the one hand, optionally, determine described first probability of interference and/or described second probability of interference, comprising: determine the first projection value under the reference direction that described first detected value is relevant to described deformable surface in same reference frame with described second detected value and the second projection value respectively; First projection value described in weighted accumulation and described second projection value; Weighting ratio according to described first projection value and described weighted accumulation value determines described first probability of interference, and/or the weighting ratio according to described second projection value and described weighted accumulation value determines described second probability of interference.
In conjunction with any one implementation of the human motion information capture method that the embodiment of the present application provides on the one hand, optionally, before determining described first probability of interference and/or described second probability of interference, described method also comprises: according to the length direction of the relative position of described first motion sensor and described second motion sensor, gravity direction and described deformable surface, determine described reference frame, the length direction of described deformable surface is described reference direction.
In conjunction with any one implementation of the human motion information capture method that the embodiment of the present application provides on the one hand, optionally, described first detected value is different with described second detected value and be all greater than a setting detection threshold.
In conjunction with any one implementation of the human motion information capture method that the embodiment of the present application provides on the one hand, optionally, obtain the movable information with at least one human body in described two human bodies, comprise: according to distance respectively and between described two human bodies of described first thermomechanical processing and described second thermomechanical processing, described first motion sensor and the distance of described second motion sensor respectively and between described two human bodies, obtain the movable information of described first human body and the movable information of described second human body.
In conjunction with any one implementation of the human motion information capture method that the embodiment of the present application provides on the one hand, optionally, obtain with described two human bodies at least one human body movable information before, described method also comprises: carry out registration process detection time to described first thermomechanical processing and described second thermomechanical processing.
On the other hand, the embodiment of the present application additionally provides a kind of human motion information capture device, comprising:
One thermomechanical processing acquisition module, for obtaining two human bodies simultaneously within a time period of a deformable surface, the first thermomechanical processing of the described deformable surface corresponding with the first human body and the second thermomechanical processing of the described deformable surface corresponding with the second human body;
One human motion information capture module, detection for the thermomechanical processing of the motion conditions pair described deformable surface corresponding with another human body according to arbitrary human body in described first thermomechanical processing, described second thermomechanical processing and described two human bodies is disturbed, and obtains the movable information of at least one human body in described two human bodies.
In conjunction with any one implementation of the human motion information capture device that the embodiment of the present application provides on the other hand, optionally, described thermomechanical processing acquisition module comprises: one first thermomechanical processing obtains submodule, for described first thermomechanical processing that the deformation data obtaining described deformable surface within the time period described in the first motion sensor senses obtains, wherein, the distance between described first motion sensor and described first human body is less than the distance between described first motion sensor and described second human body; One second thermomechanical processing obtains submodule, for described second thermomechanical processing that the deformation data obtaining described deformable surface within the time period described in the second motion sensor senses obtains, wherein, the distance between described second motion sensor and described first human body is greater than the distance between described second motion sensor and described second human body.
In conjunction with any one implementation of the human motion information capture device that the embodiment of the present application provides on the other hand, optionally, described human motion information capture module comprises: a detected value obtains submodule, for determining the first detected value in the detection time window of described first thermomechanical processing within the described time period and described second thermomechanical processing the second detected value in described detection time window; One first movable information obtains submodule, for according to described first detected value and described second detected value, determine first probability of interference of described first detected value by the motion conditions of described second human body, and obtain the movable information of described first human body according to described first probability of interference and described first thermomechanical processing; And/or, according to described first detected value and described second detected value, determine second probability of interference of described second detected value by the motion conditions of described first human body, and obtain the movable information of described second human body according to described second probability of interference and described second thermomechanical processing.
In conjunction with any one implementation of the human motion information capture device that the embodiment of the present application provides on the other hand, optionally, described first movable information obtains submodule and comprises: a projection value determining unit, for determining the first projection value under the reference direction that described first detected value is relevant to described deformable surface in same reference frame with described second detected value and the second projection value respectively; One weighted accumulation unit, for the first projection value described in weighted accumulation and described second projection value; One probability of interference determining unit, for determining described first probability of interference according to the weighting ratio of described first projection value and described weighted accumulation value, and/or the weighting ratio according to described second projection value and described weighted accumulation value determines described second probability of interference; One movable information acquiring unit, for obtaining the movable information of described first human body according to described first probability of interference and described first thermomechanical processing, and/or, the movable information of described second human body is obtained according to described second probability of interference and described second thermomechanical processing.
In conjunction with any one implementation of the human motion information capture device that the embodiment of the present application provides on the other hand, optionally, described human motion information capture device also comprises: a reference frame determination module, for before determining described first probability of interference and/or described second probability of interference, according to the length direction of the relative position of described first motion sensor and described second motion sensor, gravity direction and described deformable surface, determine described reference frame, the length direction of described deformable surface is described reference direction.
In conjunction with any one implementation of the human motion information capture device that the embodiment of the present application provides on the other hand, optionally, described first detected value is different with described second detected value and be all greater than a setting detection threshold.
In conjunction with any one implementation of the human motion information capture device that the embodiment of the present application provides on the other hand, optionally, described movable information acquisition module comprises: one second movable information obtains submodule, for according to distance respectively and between described two human bodies of described first thermomechanical processing and described second thermomechanical processing, described first motion sensor and the distance of described second motion sensor respectively and between described two human bodies, obtain the movable information of described first human body and the movable information of described second human body.
In conjunction with any one implementation of the human motion information capture device that the embodiment of the present application provides on the other hand, optionally, described human motion information capture device also comprises: one detection time registration process module, before movable information at least one human body in acquisition with described two human bodies, registration process detection time is carried out to described first thermomechanical processing and described second thermomechanical processing.
The technical scheme that the embodiment of the present application provides, can according to described first thermomechanical processing, described second thermomechanical processing, and the detection of the thermomechanical processing of the motion conditions pair described deformable surface corresponding with another human body of arbitrary human body is disturbed in described two human bodies, obtain the movable information of at least one human body in described two human bodies, make the movable information of the human body obtained close as far as possible even identical with the actual motion information of corresponding human body, improve the accuracy of the body motion information of acquisition thus, more efficiently reference data is provided for such as reacting the practical applications such as sleep quality of human body, meet the diversified practical application request of user.
By below in conjunction with the detailed description of accompanying drawing to the embodiment of the application, these and other the advantage of the application will be more obvious.
Accompanying drawing explanation
The application can be better understood by reference to hereinafter given by reference to the accompanying drawings description, wherein employs same or analogous Reference numeral in all of the figs to represent identical or similar parts.Described accompanying drawing comprises in this manual together with detailed description below and forms the part of this description, and is used for illustrating the embodiment of the application further and explaining the principle and advantage of the application.In the accompanying drawings:
The flow chart of a kind of human motion information capture method that Fig. 1 provides for the embodiment of the present application;
The Application Scenarios-Example of a kind of human motion information capture method that Fig. 2 provides for the embodiment of the present application;
The logic diagram of a kind of human motion information capture device that Fig. 3 provides for the embodiment of the present application;
The logic diagram of the another kind of human motion information capture device that Fig. 4 provides for the embodiment of the present application;
The structural representation of another human motion information capture device that Fig. 5 provides for the embodiment of the present application.
The element that it will be appreciated by those skilled in the art that in accompanying drawing be only used to simple and clear for the purpose of illustrate, and not necessarily to draw in proportion.Such as, in accompanying drawing, the size of some element may be exaggerated relative to other elements, to contribute to improving the understanding to the embodiment of the present application.
Detailed description of the invention
By reference to the accompanying drawings the one exemplary embodiment of the application will be described in detail hereinafter.For clarity and conciseness, all features of actual embodiment are not described in the description.But, should understand, must make a lot specific to the decision of embodiment in the process of any this practical embodiments of exploitation, to realize the objectives of developer, such as, meet those restrictive conditions relevant to system and business, and these restrictive conditions may change to some extent along with the difference of embodiment.In addition, although will also be appreciated that development is likely very complicated and time-consuming, concerning the those skilled in the art having benefited from present disclosure, this development is only routine task.
At this, also it should be noted is that, in order to avoid the application fuzzy because of unnecessary details, merely depict in the drawings and in the description with according to the closely-related apparatus structure of the scheme of the application and/or treatment step, and eliminate to the application's relation little, the expression of parts known to persons of ordinary skill in the art and process and description.
Below in conjunction with accompanying drawing (label identical in some accompanying drawings represents identical element) and embodiment, the detailed description of the invention of the application is described in further detail.Following examples for illustration of the application, but are not used for limiting the scope of the application.
It will be understood by those skilled in the art that the terms such as " first ", " second " in the application are only for distinguishing different step, equipment or module etc., neither represent any particular technology implication, also do not represent the inevitable logical order between them.
The flow chart of a kind of human motion information capture method that Fig. 1 provides for the embodiment of the present application.The executive agent of the human motion information capture method that the embodiment of the present application provides is a certain human motion information capture device, the equipment form of expression of this human motion information capture device is unrestricted, and such as described human motion information capture device can be a certain independently parts; Or described human motion information capture device can be used as a certain functional module and is integrated in an electronic equipment, and described electronic equipment can include but not limited to processor, intelligent terminal, server etc., and the embodiment of the present application does not limit this.Specifically as shown in Figure 1, a kind of human motion information capture method that the embodiment of the present application provides comprises:
S101: obtain two human bodies simultaneously within a time period of a deformable surface, the first thermomechanical processing of the described deformable surface corresponding with the first human body and the second thermomechanical processing of the described deformable surface corresponding with the second human body.
Described deformable surface can comprise the surface, mat surface etc. of the bed accessory with certain pliability.In section sometime, this deformable surface there are two human bodies, same mat have a rest or sleep etc. as two human bodies lie in, obtaining the thermomechanical processing of corresponding different human body respectively by detecting the deformation of this deformable surface within this time period.In described two human bodies, arbitrary human body might as well be called the first human body, and the thermomechanical processing corresponding with the first human body might as well be called the first thermomechanical processing.In described two human bodies, another human body might as well be called the second human body, and the thermomechanical processing corresponding with the second human body might as well be called the second thermomechanical processing.
S102: the detection according to the thermomechanical processing of the motion conditions pair described deformable surface corresponding with another human body of arbitrary human body in described first thermomechanical processing, described second thermomechanical processing and described two human bodies is disturbed, and obtains the movable information of at least one human body in described two human bodies.
Present inventor finds putting into practice in the embodiment of the present application process, the thermomechanical processing of described deformable surface can reflect in the corresponding time period motion conditions of two human bodies be positioned on this deformable surface to a certain extent, can answer the rest or sleep quality etc. of human body within this time period by reacting phase to a certain extent by the motion conditions of human body.But, when owing to there being two human bodies on this deformable surface simultaneously, the motion conditions of the arbitrary human body thermomechanical processing to deformable surface corresponding to another human body detects and all may cause certain detection interference, and the thermomechanical processing on the described transmutability surface obtained under making this scene and the actual motion information of corresponding human body exist larger deviation.For reducing above-mentioned deviation as far as possible, the technical scheme that the embodiment of the present application provides, can according to described first thermomechanical processing, described second thermomechanical processing, and the detection of the thermomechanical processing of the motion conditions pair described deformable surface corresponding with another human body of arbitrary human body is disturbed in described two human bodies, obtain the movable information of at least one human body in described two human bodies, make the movable information of the human body obtained close as far as possible even identical with the actual motion information of corresponding human body, improve the accuracy of the body motion information of acquisition thus, more efficiently reference data is provided for such as reacting the practical applications such as sleep quality of human body, meet the diversified practical application request of user.
In the technical scheme that the embodiment of the present application provides, obtain with described two human bodies at least one human body movable information before, described method also comprises: carry out registration process detection time to described first thermomechanical processing and described second thermomechanical processing.Such as, can before the detection of described first thermomechanical processing and described second thermomechanical processing, just to aiming at the detection time of corresponding checkout equipment (as motion sensor), corresponding checkout equipment is detected respectively skew that the thermomechanical processing obtained does not have detection time; Or after can obtaining described first thermomechanical processing and described second thermomechanical processing, the time migration according to corresponding checkout equipment is aimed at carrying out correction the detection time of two thermomechanical processing; Etc..The program is by before acquisition body motion information, and two thermomechanical processing corresponding respectively to two human bodies carry out registration process detection time, eliminates or avoids skew detection time of the two thus, improve the accuracy of the body motion information of acquisition.
Optionally, obtain described first thermomechanical processing and described second thermomechanical processing comprises: described first thermomechanical processing that the deformation data obtaining described deformable surface within the time period described in the first motion sensor senses obtains, wherein, the distance between described first motion sensor and described first human body is less than the distance between described first motion sensor and described second human body; Obtain described second thermomechanical processing that the deformation data of described deformable surface obtains within the time period described in the second motion sensor senses, wherein, the distance between described second motion sensor and described first human body is greater than the distance between described second motion sensor and described second human body.In the program, described first motion sensor and/or described second motion sensor can include but not limited to Gravity accelerometer; Described first motion sensor is arranged, so that detect this deformable surface first thermomechanical processing corresponding with the first human body away from described second human body near described first human body; Described second motion sensor is arranged, so that detect this deformable surface second thermomechanical processing corresponding with the second human body away from described first human body near described second human body.The concrete set-up mode of motion sensor is very flexible, such as, motion sensor can be placed on this deformable surface, or, motion sensor can be worn on certain position of corresponding human body and the deformation of this deformable surface is convenient to detect in this position of wearing, etc.; In addition, the set-up mode of described first motion sensor can be identical with the set-up mode of described second motion sensor, as be all placed on this can deformation surface but position is not equal; Or, the set-up mode of described first motion sensor and the set-up mode of described second motion sensor also can be different, be placed on that the second motion sensor on this deformable surface is worn on the second human body as the first motion sensor certain to be convenient to detect the position of this deformable surface first-class; Further, two sensors can be an individual components, or in two sensors, at least one sensor integration is in the such as a certain electronic equipment such as mobile phone; The embodiment of the present application does not all limit above-mentioned, and implementation is very flexible.
In addition, in the technical scheme that the embodiment of the present application provides, very flexible with the obtain manner of the movable information of at least one human body in described two human bodies.
In a kind of optional implementation, comprise with the obtain manner of the movable information of at least one human body in described two human bodies: determine the first detected value in the detection time window of described first thermomechanical processing within the described time period and described second thermomechanical processing the second detected value in described detection time window; According to described first detected value and described second detected value, determine first probability of interference of described first detected value by the motion conditions of described second human body, and obtain the movable information of described first human body according to described first probability of interference and described first thermomechanical processing; And/or, according to described first detected value and described second detected value, determine second probability of interference of described second detected value by the motion conditions of described first human body, and obtain the movable information of described second human body according to described second probability of interference and described second thermomechanical processing.Wherein, described detection time, window was a certain duration in the described time period, in this window detection time, because in described two human bodies, the motion of arbitrary human body all may cause the deformation of this deformable surface, and the deformation of this deformable surface may be arrived by two motion sensor senses respectively, so just may exist and detect interference, such as, the thermomechanical processing of this deformable surface caused because of the motion of the first human body is arrived by the second motion sensor senses, that is, the actual motion source that the second thermomechanical processing obtained through the second motion sensor senses is corresponding may be the first human body and not the second human body, the componental movement information of described second thermomechanical processing reflection is the movable information of the first human body, certain deviation etc. is there is with the movable information of described second human body reality.The program detects the detected value of the thermomechanical processing obtained respectively by two motion sensors in same detection time window, determine the probability of interference because the motion of arbitrary human body in two human bodies detects for the thermomechanical processing of described deformable surface corresponding to another human body, if probability of interference meets some requirements (described condition as more than a predetermined confidence level or exceed confidence interval etc.), then can eliminate detection interference according to corresponding detected value to corresponding thermomechanical processing correction, revised thermomechanical processing is made to reflect the actual motion information of corresponding human body as far as possible really.Can determine according to actual needs the correcting mode of corresponding deformation data, such as directly can to ignore in corresponding deformation data or according to certain corresponding detected value of attenuation ratio process, such as, if described first probability of interference is more than a predetermined confidence level or a predetermined confidence interval, then in described first thermomechanical processing, ignore described first detected value, etc.Particularly different with described second detected value and be all greater than the situation of a setting detection threshold at described first detected value, namely two detected values are different but all exceed certain amplitude, the probability that there is metrical error is relatively large, adopt the program can reduce metrical error as far as possible, improve the accuracy of the body motion information obtained.
Optionally, determine described first probability of interference and/or described second probability of interference, comprising: determine the first projection value under the reference direction that described first detected value is relevant to described deformable surface in same reference frame with described second detected value and the second projection value respectively; First projection value described in weighted accumulation and described second projection value; Weighting ratio according to described first projection value and described weighted accumulation value determines described first probability of interference, and/or the weighting ratio according to described second projection value and described weighted accumulation value determines described second probability of interference.Causing the human motion of this deformable surface generation deformation can regard as is to a certain extent a vibration source, this deformable surface deformation that vibration source causes, the propagation of the deformation signal in this deformable surface deformation process presses the decay of certain way with the difference of propagation distance, as square being directly proportional of decay and propagation distance of deformation signal, that is, the intensity of the deformation signal that the nearer position of distance vibration source may detect, the intensity of the deformation signal that relative distance vibration source position far away may detect is stronger.The program is by being mapped to same reference frame by the detected value of two motion sensors in same detection time window, and utilize two detected values at the ranking operation of the projection value of this reference frame reference direction relevant to deformable surface, determine probability of interference, improve the reasonability that probability of interference is determined thus.Described reference frame can be determined according to actual needs, optionally, according to the length direction of the relative position of described first motion sensor and described second motion sensor, gravity direction and described deformable surface, determine described reference frame, the length direction of described deformable surface is described reference direction.Under most situation, human body is had a rest along the direction recumbency parallel with the length direction of deformable surface, and the movable information of human body can be more more direct in the reflection of this direction projection value.Might as well be that three shaft angle acceleration gravity sensors further illustrate respectively for the first motion sensor and the second motion sensor below.
As shown in Figure 2, first, determine that first detected value of the first motion sensor in a detection time window is the first angular acceleration vector E
1, second detected value of the second motion sensor in same detection time window is the second angular acceleration vector E
2.
Secondly, be X-axis with the first motion sensor with the line direction of described second motion sensor, with the length direction of deformable surface (directions for vertical two sensor lines) be Y-axis, with gravity direction for Z axis, set up reference frame.In actual applications, gravity direction Z axis can be determined according to the average of the angular acceleration vector of a motion sensor senses in a detection time window; The axis direction of the angular acceleration obtained according to two motion sensor senses is as the direction of vertical two motion sensor lines, be equivalent to the length direction of deformable surface, such as, the vector of the axis direction of the axis direction of the first angular acceleration of the first motion sensor senses and the second angular acceleration of the second motion sensor senses is closed direction as Y-axis; The direction vertical with Y-axis is Z axis.After establishing described reference frame, by the first angular acceleration vector E
1with the second angular acceleration vector E
2under transforming to described reference frame respectively, and obtain first jiao of acceleration vector E
1at the first projection value E of Y-axis
1Yand first jiao is accelerated vector E
1at the first projection value E of Y-axis
2Y, two projection values are different but be all greater than a predetermined threshold.
Next, the first probability of interference P is determined according to following formula
1and/or the second probability of interference P
2:
After described first probability of interference of acquisition, can determine whether according to described first probability of interference the movable information that needs described first thermomechanical processing correction to be obtained to described first human body.Such as, described first probability of interference and a predetermined confidence level (might as well be called the first confidence level) or a predetermined confidence interval (might as well be called the first confidence interval) can be compared; If described first probability of interference is greater than the first confidence level or more than the first confidence interval, then illustrate that the probability of the thermomechanical processing of the deformable surface that the corresponding second human body vibration source of the first detected value causes is larger, need to revise described first thermomechanical processing, correcting mode is such as ignored or is reduced described first detected value by a certain percentage in described first thermomechanical processing.Described first confidence level or described first confidence interval can be determined according to practical situation, such as, by to this deformable surface only having the thermomechanical processing of this deformable surface in time period of obtaining during the first human body learn, determine the detected value characteristic of the movable information of reflection first human body, determine the confidence level that probability of interference corresponding to the first human body judges or confidence interval according to this detected value characteristic, as described in confidence interval can be [4 σ
1 2, 1] be, σ
1represent the Line Integral of the first human body normalization detection waveform window part corresponding detection time, described first confidence level can be the arbitrary value in above-mentioned first confidence interval.If described first probability of interference is not more than the first confidence level or more than the first confidence interval, then illustrate that the probability of the thermomechanical processing of the deformable surface that the corresponding first human body vibration source of the second detected value causes is comparatively large, can not process described first thermomechanical processing.
After described second probability of interference of acquisition, can determine whether according to described second probability of interference the movable information that needs described second thermomechanical processing correction to be obtained to described second human body.Such as, described second probability of interference and a predetermined confidence level (might as well be called the second confidence level) or a predetermined confidence interval (might as well be called the second confidence interval) can be compared; If described second probability of interference is greater than the second confidence level or more than the second confidence interval, then illustrate that the probability of the thermomechanical processing of the deformable surface that the corresponding first human body vibration source of the second detected value causes is larger, need to revise described second thermomechanical processing, correcting mode is such as ignored or is reduced described second detected value by a certain percentage in described second thermomechanical processing.Described second confidence level or described second confidence interval can be determined according to practical situation, such as, by to this deformable surface only having the thermomechanical processing of this deformable surface in time period of obtaining during the second human body learn, determine the detected value characteristic of the movable information of reflection second human body, determine the confidence level that probability of interference corresponding to the second human body judges or confidence interval according to this detected value characteristic, as described in confidence interval can be [4 σ
2 2, 1] be, σ
2represent the Line Integral of the second human body normalization detection waveform window part corresponding detection time, described second confidence level can be the arbitrary value in above-mentioned second confidence interval.If described second probability of interference is not more than the second confidence level or more than the second confidence interval, then illustrate that the probability of the thermomechanical processing of the deformable surface that the corresponding second human body vibration source of the second detected value causes is comparatively large, can not process described second thermomechanical processing.
In another kind of optional implementation, and the obtain manner of the movable information of at least one human body comprises in described two human bodies: according to distance respectively and between described two human bodies of described first thermomechanical processing and described second thermomechanical processing, described first motion sensor and the distance of described second motion sensor respectively and between described two human bodies, obtain the movable information of described first human body and the movable information of described second human body.The rule that the program utilizes deformation signal to decay by certain way with the change of propagation distance, described first thermomechanical processing and described second thermomechanical processing are revised, disturb to eliminate the detection introduced because of the motion of the first human body in the detection interference and the second thermomechanical processing introduced because of the motion of the second human body in the first thermomechanical processing as far as possible, obtain the movable information of the first human body comparatively accurately and the movable information of the second human body thus.Such as, distance respectively and between described two human bodies can build one and detect interferential loads matrix, by interferential loads matrix to the first angular acceleration vector E according to the distance of described first motion sensor respectively and between described two human bodies and described second motion sensor
1with the second angular acceleration vector E
2revise respectively, obtain the movable information U of the first human body thus
1with the movable information U of the second human body
2:
Wherein,
Represent and detect interferential loads matrix, d
11be the distance of first motion sensor distance the first human body, d
12be the distance of first motion sensor distance the second human body, d
21be the distance of second motion sensor distance the first human body, d
22be the distance of second motion sensor distance the second human body, d
11< d
12, d
21> d
22.
It will be appreciated by those skilled in the art that, in the above-mentioned either method of the application's detailed description of the invention, the sequence number size of each step does not also mean that the priority of execution sequence, the execution sequence of each step should be determined with its function and internal logic, and should not form any restriction to the implementation process of the application's detailed description of the invention.
The logic diagram of a kind of human motion information capture device that Fig. 3 provides for the embodiment of the present application.As shown in Figure 3, a kind of human motion information capture device that the embodiment of the present application provides comprises: thermomechanical processing acquisition module 31 and a human motion information capture module 32.
One thermomechanical processing acquisition module 31 is for obtaining two human bodies simultaneously within a time period of a deformable surface, the first thermomechanical processing of the described deformable surface corresponding with the first human body and the second thermomechanical processing of the described deformable surface corresponding with the second human body.
One human motion information capture module 32 is disturbed for the detection of the thermomechanical processing of the motion conditions pair described deformable surface corresponding with another human body according to arbitrary human body in described first thermomechanical processing, described second thermomechanical processing and described two human bodies, obtains the movable information of at least one human body in described two human bodies.
The technical scheme that the embodiment of the present application provides, can according to described first thermomechanical processing, described second thermomechanical processing, and the detection of the thermomechanical processing of the motion conditions pair described deformable surface corresponding with another human body of arbitrary human body is disturbed in described two human bodies, obtain the movable information of at least one human body in described two human bodies, make the movable information of the human body obtained close as far as possible even identical with the actual motion information of corresponding human body, improve the accuracy of the body motion information of acquisition thus, more efficiently reference data is provided for such as reacting the practical applications such as sleep quality of human body, meet the diversified practical application request of user.
The equipment form of expression of the human motion information capture device that the embodiment of the present application provides is unrestricted, and such as described human motion information capture device can be a certain independently parts; Or described human motion information capture device can be used as a certain functional module and is integrated in an electronic equipment, and described electronic equipment can include but not limited to processor, intelligent terminal, server etc., and the embodiment of the present application does not limit this.
Optionally, as shown in Figure 4, described human motion information capture device also comprises: one detection time registration process module 33.Detection time registration process module 33 for obtain with the movable information of at least one human body in described two human bodies before, registration process detection time is carried out to described first thermomechanical processing and described second thermomechanical processing.The program is by before acquisition body motion information, and two thermomechanical processing corresponding respectively to two human bodies carry out registration process detection time, eliminates or avoids skew detection time of the two thus, improve the accuracy of the body motion information of acquisition.
Optionally, described thermomechanical processing acquisition module 31 comprises: one first thermomechanical processing obtains submodule 311 and one second thermomechanical processing obtains submodule 312.First thermomechanical processing obtains described first thermomechanical processing that submodule 311 obtains for the deformation data obtaining described deformable surface within the time period described in the first motion sensor senses, wherein, the distance between described first motion sensor and described first human body is less than the distance between described first motion sensor and described second human body; Second thermomechanical processing obtains described second thermomechanical processing that submodule 312 obtains for the deformation data obtaining described deformable surface within the time period described in the second motion sensor senses, wherein, the distance between described second motion sensor and described first human body is greater than the distance between described second motion sensor and described second human body.In the program, described first motion sensor and/or described second motion sensor can include but not limited to Gravity accelerometer; Described first motion sensor is arranged, so that detect this deformable surface first thermomechanical processing corresponding with the first human body away from described second human body near described first human body; Described second motion sensor is arranged, so that detect this deformable surface second thermomechanical processing corresponding with the second human body away from described first human body near described second human body.
Optionally, described human motion information capture module 32 comprises: a detected value obtains submodule 321 and one first movable information obtains submodule 322.Detected value obtains submodule 321 for determining the first detected value in the detection time window of described first thermomechanical processing within the described time period and described second thermomechanical processing the second detected value in described detection time window; First movable information obtains submodule 322 for according to described first detected value and described second detected value, determine first probability of interference of described first detected value by the motion conditions of described second human body, and obtain the movable information of described first human body according to described first probability of interference and described first thermomechanical processing; And/or, according to described first detected value and described second detected value, determine second probability of interference of described second detected value by the motion conditions of described first human body, and obtain the movable information of described second human body according to described second probability of interference and described second thermomechanical processing.
Optionally, described first movable information acquisition submodule 322 comprises: projection value determining unit 3221, weighted accumulation unit 3222, probability of interference determining unit 3223 and a movable information acquiring unit 3224.Projection value determining unit 3221 is for determining the first projection value under the reference direction that described first detected value is relevant to described deformable surface in same reference frame with described second detected value and the second projection value respectively; Weighted accumulation unit 3222 is for the first projection value described in weighted accumulation and described second projection value; Probability of interference determining unit 3223 is for determining described first probability of interference according to the weighting ratio of described first projection value and described weighted accumulation value, and/or the weighting ratio according to described second projection value and described weighted accumulation value determines described second probability of interference; Movable information acquiring unit 3224 is for obtaining the movable information of described first human body according to described first probability of interference and described first thermomechanical processing, and/or, the movable information of described second human body is obtained according to described second probability of interference and described second thermomechanical processing.The program detects the detected value of the thermomechanical processing obtained respectively by two motion sensors in same detection time window, determine the probability of interference because the motion of arbitrary human body in two human bodies detects for the thermomechanical processing of described deformable surface corresponding to another human body, if probability of interference meets some requirements (described condition as more than a predetermined confidence level or exceed confidence interval etc.), then can eliminate detection interference according to corresponding detected value to corresponding thermomechanical processing correction, revised thermomechanical processing is made to reflect the actual motion information of corresponding human body as far as possible really.Particularly different with described second detected value and be all greater than the situation of a setting detection threshold at described first detected value, namely two detected values are different but all exceed certain amplitude, the probability that there is metrical error is relatively large, adopt the program can reduce metrical error as far as possible, improve the accuracy of the body motion information obtained.
Optionally, described human motion information capture device also comprises: a reference frame determination module 34.Reference frame determination module 34 is for before determining described first probability of interference and/or described second probability of interference, according to the length direction of the relative position of described first motion sensor and described second motion sensor, gravity direction and described deformable surface, determine described reference frame, the length direction of described deformable surface is described reference direction.The program is by being mapped to same reference frame by the detected value of two motion sensors in same detection time window, and utilize two detected values at the ranking operation of the projection value of this reference frame reference direction relevant to deformable surface, determine probability of interference, improve the reasonability that probability of interference is determined thus.
Optionally, described movable information acquisition module 32 comprises: one second movable information obtains submodule 323.Second movable information obtains submodule 323 for according to distance respectively and between described two human bodies of described first thermomechanical processing and described second thermomechanical processing, described first motion sensor and the distance of described second motion sensor respectively and between described two human bodies, obtains the movable information of described first human body and the movable information of described second human body.The rule that the program utilizes deformation signal to decay by certain way with the change of propagation distance, described first thermomechanical processing and described second thermomechanical processing are revised, disturb to eliminate the detection introduced because of the motion of the first human body in the detection interference and the second thermomechanical processing introduced because of the motion of the second human body in the first thermomechanical processing as far as possible, obtain the movable information of the first human body comparatively accurately and the movable information of the second human body thus.
The structural representation of another human motion information capture device that Fig. 5 provides for the embodiment of the present application, the application's specific embodiment does not limit the specific implementation of human motion information capture device 500.As shown in Figure 5, human motion information capture device 500 can comprise:
Processor (Processor) 510, communication interface (Communications Interface) 520, memorizer (Memory) 530 and communication bus 540.Wherein:
Processor 510, communication interface 520 and memorizer 530 complete mutual communication by communication bus 540.
Communication interface 520, for the communications such as such as terminal, third party device, information source.
Processor 510, for performing a programme 532, specifically can perform the correlation step in above-mentioned arbitrary information communicating method embodiment.
Such as, program 532 can comprise program code, and described program code comprises computer-managed instruction.
Processor 510 may be a central processing unit (Central Processing Unit, be called for short CPU), or specific integrated circuit (Application Specific Integrated Circuit, be called for short ASIC), or be configured to the one or more integrated circuits implementing the embodiment of the present application.
Memorizer 530, for depositing program 532.Memorizer 530 may comprise random access memory (Random Access Memory is called for short RAM), still may comprise nonvolatile memory (Non-volatile memory), such as at least one disk memory.
Such as, in the optional implementation of one, processor 510 can perform following steps by performing a programme 532: obtain two human bodies simultaneously within a time period of a deformable surface, the first thermomechanical processing of the described deformable surface corresponding with the first human body and the second thermomechanical processing of the described deformable surface corresponding with the second human body; Detection according to the thermomechanical processing of the motion conditions pair described deformable surface corresponding with another human body of arbitrary human body in described first thermomechanical processing, described second thermomechanical processing and described two human bodies is disturbed, and obtains the movable information of at least one human body in described two human bodies.In other optional implementations, processor 510 also can perform by performing a programme 532 step that other any embodiment above-mentioned mention, does not repeat them here.
In program 532, the specific implementation of each step see description corresponding in the corresponding steps in above-described embodiment, module, submodule, unit, can not repeat them here.Those skilled in the art can be well understood to, and for convenience and simplicity of description, the equipment of foregoing description and the specific works process of module, can describe with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the application's the various embodiments described above, the sequence number of embodiment and/or sequencing are only convenient to describe, and do not represent the quality of embodiment.The description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
Those of ordinary skill in the art can recognize, in conjunction with unit and the method step of each example of embodiment disclosed herein description, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not think the scope exceeding the application.
If described function using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part of the part that the technical scheme of the application contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the application.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read only memory (Read-Only Memory, be called for short ROM), random access memory (Random Access Memory, be called for short RAM), magnetic disc or CD etc. various can be program code stored medium.
In the embodiment such as device, method, system of the application, obviously, each parts (system, subsystem, module, submodule, unit, subelement etc.) or each step reconfigure after can decomposing, combine and/or decomposing.These decompose and/or reconfigure the equivalents that should be considered as the application.Simultaneously, in the description above to the application's specific embodiment, the feature described for a kind of embodiment and/or illustrate can use in one or more other embodiment in same or similar mode, combined with the feature in other embodiment, or substitute the feature in other embodiment.
Should emphasize, term " comprises/comprises " existence referring to feature, key element, step or assembly when using herein, but does not get rid of the existence or additional of one or more further feature, key element, step or assembly.
It is last it is noted that above embodiment is only for illustration of the application; and the restriction not to the application; the those of ordinary skill of relevant technical field; when not departing from the spirit and scope of the application; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to the category of the application, and the scope of patent protection of the application should be defined by the claims.
Claims (10)
1. a human motion information capture method, is characterized in that, comprising:
Obtain two human bodies simultaneously within a time period of a deformable surface, the first thermomechanical processing of the described deformable surface corresponding with the first human body and the second thermomechanical processing of the described deformable surface corresponding with the second human body;
Detection according to the thermomechanical processing of the motion conditions pair described deformable surface corresponding with another human body of arbitrary human body in described first thermomechanical processing, described second thermomechanical processing and described two human bodies is disturbed, and obtains the movable information of at least one human body in described two human bodies.
2. method according to claim 1, is characterized in that, obtains described first thermomechanical processing and described second thermomechanical processing comprises:
Obtain described first thermomechanical processing that the deformation data of described deformable surface obtains within the time period described in the first motion sensor senses, wherein, the distance between described first motion sensor and described first human body is less than the distance between described first motion sensor and described second human body;
Obtain described second thermomechanical processing that the deformation data of described deformable surface obtains within the time period described in the second motion sensor senses, wherein, the distance between described second motion sensor and described first human body is greater than the distance between described second motion sensor and described second human body.
3. method according to claim 2, is characterized in that, obtains the movable information with at least one human body in described two human bodies, comprising:
Determine the first detected value in the detection time window of described first thermomechanical processing within the described time period and described second thermomechanical processing the second detected value in described detection time window;
According to described first detected value and described second detected value, determine first probability of interference of described first detected value by the motion conditions of described second human body, and obtain the movable information of described first human body according to described first probability of interference and described first thermomechanical processing; And/or, according to described first detected value and described second detected value, determine second probability of interference of described second detected value by the motion conditions of described first human body, and obtain the movable information of described second human body according to described second probability of interference and described second thermomechanical processing.
4. method according to claim 3, is characterized in that, determines described first probability of interference and/or described second probability of interference, comprising:
Determine the first projection value under the reference direction that described first detected value is relevant to described deformable surface in same reference frame with described second detected value and the second projection value respectively;
First projection value described in weighted accumulation and described second projection value;
Weighting ratio according to described first projection value and described weighted accumulation value determines described first probability of interference, and/or the weighting ratio according to described second projection value and described weighted accumulation value determines described second probability of interference.
5. method according to claim 4, is characterized in that, before determining described first probability of interference and/or described second probability of interference, described method also comprises:
According to the length direction of the relative position of described first motion sensor and described second motion sensor, gravity direction and described deformable surface, determine described reference frame, the length direction of described deformable surface is described reference direction.
6. a human motion information capture device, is characterized in that, comprising:
One thermomechanical processing acquisition module, for obtaining two human bodies simultaneously within a time period of a deformable surface, the first thermomechanical processing of the described deformable surface corresponding with the first human body and the second thermomechanical processing of the described deformable surface corresponding with the second human body;
One human motion information capture module, detection for the thermomechanical processing of the motion conditions pair described deformable surface corresponding with another human body according to arbitrary human body in described first thermomechanical processing, described second thermomechanical processing and described two human bodies is disturbed, and obtains the movable information of at least one human body in described two human bodies.
7. device according to claim 6, is characterized in that, described thermomechanical processing acquisition module comprises:
One first thermomechanical processing obtains submodule, for described first thermomechanical processing that the deformation data obtaining described deformable surface within the time period described in the first motion sensor senses obtains, wherein, the distance between described first motion sensor and described first human body is less than the distance between described first motion sensor and described second human body;
One second thermomechanical processing obtains submodule, for described second thermomechanical processing that the deformation data obtaining described deformable surface within the time period described in the second motion sensor senses obtains, wherein, the distance between described second motion sensor and described first human body is greater than the distance between described second motion sensor and described second human body.
8. device according to claim 7, is characterized in that, described human motion information capture module comprises:
One detected value obtains submodule, for determining the first detected value in the detection time window of described first thermomechanical processing within the described time period and described second thermomechanical processing the second detected value in described detection time window;
One first movable information obtains submodule, for according to described first detected value and described second detected value, determine first probability of interference of described first detected value by the motion conditions of described second human body, and obtain the movable information of described first human body according to described first probability of interference and described first thermomechanical processing; And/or, according to described first detected value and described second detected value, determine second probability of interference of described second detected value by the motion conditions of described first human body, and obtain the movable information of described second human body according to described second probability of interference and described second thermomechanical processing.
9. device according to claim 8, is characterized in that, described first movable information obtains submodule and comprises:
One projection value determining unit, for determining the first projection value under the reference direction that described first detected value is relevant to described deformable surface in same reference frame with described second detected value and the second projection value respectively;
One weighted accumulation unit, for the first projection value described in weighted accumulation and described second projection value;
One probability of interference determining unit, for determining described first probability of interference according to the weighting ratio of described first projection value and described weighted accumulation value, and/or the weighting ratio according to described second projection value and described weighted accumulation value determines described second probability of interference;
One movable information acquiring unit, for obtaining the movable information of described first human body according to described first probability of interference and described first thermomechanical processing, and/or, the movable information of described second human body is obtained according to described second probability of interference and described second thermomechanical processing.
10. device according to claim 9, is characterized in that, also comprises:
One reference frame determination module, for before determining described first probability of interference and/or described second probability of interference, according to the length direction of the relative position of described first motion sensor and described second motion sensor, gravity direction and described deformable surface, determine described reference frame, the length direction of described deformable surface is described reference direction.
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