CN105045503A - System and method for controlling non-contact touch screen - Google Patents
System and method for controlling non-contact touch screen Download PDFInfo
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Abstract
The invention discloses a system and method for controlling a non-contact touch screen and relates to the technical field of touch screen control. The control system comprises a thermal induction module, a dynamic image recognition module, a dynamic image locking module, an image display module and a command conversion control module, wherein the command conversion control module is used for converting locked gesture images and actions into corresponding control commands to control actions of the touch screen. The control system is capable of realizing quick, accurate and non-contact control of the touch screen. As a result, the hand of a user can be effectively protected against bacteria and the safety and the stability of using the touch screen are improved.
Description
Technical field
The present invention relates to touch-screen control technology field, particularly relate to a kind of control system and method for contactless touch-screen.
Background technology
At present, the electronic equipment such as smart mobile phone, automotive system, all trends towards using touch screen technology to carry out control operation.Although, the advantage of the man-machine interaction modes such as touch screen technology has simply, convenient, direct, it also exist security low, easily allow the hand of user be stained with the problems such as bacterium.Therefore, be necessary to research and develop a kind of control system that can solve touch screen technology the problems referred to above.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of control system and method for contactless touch-screen, described control system can realize quick, accurate, the contactless control to touch-screen, thus can effectively avoid the hand of user to be stained with bacterium, improve the safety and stability that touch-screen uses.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of control system of contactless touch-screen, is characterized in that: described control system comprises thermoinduction module, for responding to the relevant information of user's gesture, obtain the relevant information of gesture, wake screen up; Image Dynamic Recognition module, user's face and gesture information is caught by image capture module, and identify user's face and gesture information, if the face information of user is not by checking, then system can not be entered, if the face information of user, by checking, enters system, then Dynamic Recognition images of gestures and action, the images of gestures of identification and action are converted to corresponding image and action; The dynamic locking module of image, for locking the images of gestures and action that sense, judgement is which kind of gesture and action; Image display, for showing the images of gestures of locking and action on screen; Order conversion and control module, for converting the images of gestures of locking and action to corresponding control command, controls touch-screen action.
Further technical scheme is: described control system also comprises initialization module, for control system being initialised to the state started most.
Further technical scheme is: described control system also comprises interface display module, for the relevant information of display screen.
Further technical scheme is: thermoinduction module for responding to the action of user's gesture, Distance geometry positional information.
Further technical scheme is: carry out following associative operation in the gesture information of identification: palm from left to right slides, screen wakes up; Palm slides from right to left, and screen is closed; Palm vertical or along within the scope of 30 °-150 °, plane by left-to-right action, to the right page turning; Palm vertical or along within the scope of 30 °-150 °, plane by the right side to left action, left page turning.
Further technical scheme is: following several situation is considered as effectively sliding gesture operation:
Thumb and pinkie stretch, and the back of the hand, in the face of camera, recognizes gesture, and move past in journey dynamic, and during user operation gesture, left-leaning 60 degree, Right deviation 30, is considered as effective gesture;
Ok gesture, palmar aspect, to camera, recognizes gesture, and in moving process, left-leaning 60 degree, Right deviation 30, is considered as once effective gesture operation;
Erect forefinger, forefinger and horizontal line, other four fingers are fit, and forefinger refers to that abdomen is towards camera, recognize gesture, and in moving process, during user operation gesture, the angle of gesture and vertical direction, left avertence 60 degree, in right avertence 30 degree, is considered as once effective gesture operation;
Erect forefinger, forefinger and horizontal line, other four fingers are fit, forefinger refers to that abdomen is towards camera, recognize gesture, and in 1 second, have the displacement of continuous print to the left or to the right on a direction, the angle of gesture and vertical direction is in left avertence 45 degree of right avertence 30 degree, the track slided and the angle of horizontal direction, within the scope of 45 degree, are considered as once effective gesture operation;
Erect forefinger, forefinger is parallel with horizontal line, other four fingers are fit, forefinger refers to that abdomen is towards camera, recognizes gesture, and in 1 second, have the displacement of continuous print up or down on a direction, during user operation gesture, the angle of gesture and horizontal direction is under upper inclined 45 degree in inclined 30 degree, and the track of slip and the angle of vertical direction, within the scope of 45 degree, are considered as once effectively sliding gesture operation.
Further technical scheme is: when identifying gesture, hand range image acquisition module 20cm to 80cm.
Further technical scheme is: the response time of static gesture: user completes the mutual time and is no more than 500ms from operating gesture to application program.
Further technical scheme is: the response time of slide: the slip of gesture and the list rolling real-time synchronization of application program, if any time delay, be no more than 500ms; And speed and the amplitude of design lists rolling is come according to the speed that gesture is slided.
The invention also discloses a kind of control method of contactless touch-screen, it is characterized in that described method comprises the steps: the relevant information of thermoinduction module induction user gesture, obtain the relevant information of gesture, wake screen up; Image Dynamic Recognition module catches user's face and gesture information by image capture module, and identify user's face and gesture information, if the face information of user is not by checking, then system can not be entered, if the face information of user, by checking, enters system, then Dynamic Recognition images of gestures and action, converts corresponding image and action to by the images of gestures of identification and action; The dynamic locking module of image locks the images of gestures and action that sense, and judgement is which kind of gesture and action; The images of gestures of locking and action show by image display on screen; Order conversion and control module converts the images of gestures of locking and action to corresponding control command, controls touch-screen action.
The beneficial effect adopting technique scheme to produce is: described control system can realize quick, accurate, the contactless control to touch-screen, thus can effectively avoid the hand of user to be stained with bacterium, improves the safety and stability that touch-screen uses.
Accompanying drawing explanation
Fig. 1 is the theory diagram of system of the present invention;
Fig. 2 is the operational flow diagram of thermoinduction module in the present invention;
Fig. 3 is the operational flow diagram of image Dynamic Recognition module in the present invention;
Fig. 4 is the operational flow diagram of dynamic locking module in the present invention;
Fig. 5 is the operational flow diagram of screen display module;
Fig. 6 is the operational flow diagram of conversion and control module;
Fig. 7-8 is gesture function key diagrams.
Embodiment
In order to describe technical scheme of the present invention in detail, below in conjunction with the accompanying drawing of the embodiment of the present invention, clear, complete description is carried out to the technical scheme of the embodiment of the present invention.Obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on described embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of protection of the invention.
As shown in Figure 1, the invention discloses a kind of control system (touch-screen can be any a touch-screen of the prior art) of contactless touch-screen, described control system comprises thermoinduction module, for responding to the action of user's gesture, Distance geometry positional information, obtain the relevant information of gesture, wake screen up, as shown in Figure 2; Image Dynamic Recognition module, user's face and gesture information is caught by image capture module, and identify user's face and gesture information, if the face information of user is not by checking, then can not enter system, if the face information of user is by checking, enter system, then Dynamic Recognition images of gestures and action, the images of gestures of identification and action are converted to corresponding image and action, as shown in Figure 3; The dynamic locking module of image, for locking the images of gestures and action that sense, judgement is which kind of gesture and action, as shown in Figure 4; Image display, for the images of gestures of locking and action are shown on screen, as shown in Figure 5; Order conversion and control module, for converting the images of gestures of locking and action to corresponding control command, controls touch-screen action, as shown in Figure 6.
Corresponding with system, the invention also discloses a kind of control method of contactless touch-screen, described method comprises the steps: the relevant information of thermoinduction module induction user gesture, obtains the relevant information of gesture, wakes screen up; Image Dynamic Recognition module catches user's face and gesture information by image capture module, and identify user's face and gesture information, if the face information of user is not by checking, then system can not be entered, if the face information of user, by checking, enters system, then Dynamic Recognition images of gestures and action, converts corresponding image and action to by the images of gestures of identification and action; The dynamic locking module of image locks the images of gestures and action that sense, and judgement is which kind of gesture and action; The images of gestures of locking and action show by image display on screen; Order conversion and control module converts the images of gestures of locking and action to corresponding control command, controls touch-screen action.
Further, as shown in Figure 1, described control system also comprises initialization module, for control system being initialised to the state started most; And interface display module, for the relevant information of display screen, make user observe operation interface easily.
Palm from left to right slides, and screen wakes up; Palm slides from right to left, and screen is closed; Palm vertical or along within the scope of 30 °-150 °, plane by left-to-right action, to the right page turning; Palm vertical or along within the scope of 30 °-150 °, plane by the right side to left action, left page turning.Other concrete gesture function illustrates as Figure 7-8.
Several situation is considered as effectively sliding gesture operation below:
Thumb and pinkie stretch, and the back of the hand, in the face of camera, recognizes gesture, and move past in journey dynamic, and during user operation gesture, left-leaning 60 degree, Right deviation 30, is considered as effective gesture;
Ok gesture, palmar aspect, to camera, recognizes gesture, and in moving process, left-leaning 60 degree, Right deviation 30, is considered as once effective gesture operation;
Erect forefinger, forefinger and horizontal line, other four fingers are fit, and forefinger refers to that abdomen is towards camera, recognize gesture, and in moving process, during user operation gesture, the angle of gesture and vertical direction, left avertence 60 degree, in right avertence 30 degree, is considered as once effective gesture operation;
Erect forefinger, forefinger and horizontal line, other four fingers are fit, forefinger refers to that abdomen is towards camera, recognize gesture, and in 1 second, have the displacement of continuous print to the left or to the right on a direction, the angle of gesture and vertical direction is in left avertence 45 degree of right avertence 30 degree, the track slided and the angle of horizontal direction, within the scope of 45 degree, are considered as once effective gesture operation;
Erect forefinger, forefinger is parallel with horizontal line, other four fingers are fit, forefinger refers to that abdomen is towards camera, recognizes gesture, and in 1 second, have the displacement of continuous print up or down on a direction, during user operation gesture, the angle of gesture and horizontal direction is under upper inclined 45 degree in inclined 30 degree, and the track of slip and the angle of vertical direction, within the scope of 45 degree, are considered as once effectively sliding gesture operation.
When it is pointed out that for above identification gesture, hand range image acquisition module 20cm to 80cm, need accurately identify.
In order to product has more smooth interactive experience, the response time of gesture also there are some demands: the response time of static gesture: user completes the mutual time and is no more than 500ms from operating gesture to application program.The response time of slide: the slip of gesture and the list rolling real-time synchronization of application program, if any time delay, be no more than 500ms; And speed and the amplitude of design lists rolling is come according to the speed that gesture is slided.
Described control system can realize quick, accurate, the contactless control to touch-screen, thus can effectively avoid the hand of user to be stained with bacterium, improves the safety and stability that touch-screen uses.
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although done to explain to the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; technical scheme of the present invention is modified or equivalent replacement, all belong to protection scope of the present invention.
Claims (10)
1. a control system for contactless touch-screen, is characterized in that: described control system comprises thermoinduction module, for responding to the relevant information of user's gesture, obtaining the relevant information of gesture, waking screen up; Image Dynamic Recognition module, user's face and gesture information is caught by image capture module, and identify user's face and gesture information, if the face information of user is not by checking, then system can not be entered, if the face information of user, by checking, enters system, then Dynamic Recognition images of gestures and action, the images of gestures of identification and action are converted to corresponding image and action; The dynamic locking module of image, for locking the images of gestures and action that sense, judgement is which kind of gesture and action; Image display, for showing the images of gestures of locking and action on screen; Order conversion and control module, for converting the images of gestures of locking and action to corresponding control command, controls touch-screen action.
2. the control system of contactless touch-screen according to claim 1, is characterized in that: described control system also comprises initialization module, for control system being initialised to the state started most.
3. the control system of contactless touch-screen according to claim 1, is characterized in that: described control system also comprises interface display module, for the relevant information of display screen.
4. the control system of contactless touch-screen according to claim 1, is characterized in that: thermoinduction module for responding to the action of user's gesture, Distance geometry positional information.
5. the control system of contactless touch-screen according to claim 1, is characterized in that carrying out following associative operation in the gesture information identified: palm from left to right slides, and screen wakes up; Palm slides from right to left, and screen is closed; Palm vertical or along within the scope of 30 °-150 °, plane by left-to-right action, to the right page turning; Palm vertical or along within the scope of 30 °-150 °, plane by the right side to left action, left page turning.
6. the control system of contactless touch-screen according to claim 1, is characterized in that following several situation is considered as effectively sliding gesture operation:
Thumb and pinkie stretch, and the back of the hand, in the face of camera, recognizes gesture, and move past in journey dynamic, and during user operation gesture, left-leaning 60 degree, Right deviation 30, is considered as effective gesture;
Ok gesture, palmar aspect, to camera, recognizes gesture, and in moving process, left-leaning 60 degree, Right deviation 30, is considered as once effective gesture operation;
Erect forefinger, forefinger and horizontal line, other four fingers are fit, and forefinger refers to that abdomen is towards camera, recognize gesture, and in moving process, during user operation gesture, the angle of gesture and vertical direction, left avertence 60 degree, in right avertence 30 degree, is considered as once effective gesture operation;
Erect forefinger, forefinger and horizontal line, other four fingers are fit, forefinger refers to that abdomen is towards camera, recognize gesture, and in 1 second, have the displacement of continuous print to the left or to the right on a direction, the angle of gesture and vertical direction is in left avertence 45 degree of right avertence 30 degree, the track slided and the angle of horizontal direction, within the scope of 45 degree, are considered as once effective gesture operation;
Erect forefinger, forefinger is parallel with horizontal line, other four fingers are fit, forefinger refers to that abdomen is towards camera, recognizes gesture, and in 1 second, have the displacement of continuous print up or down on a direction, during user operation gesture, the angle of gesture and horizontal direction is under upper inclined 45 degree in inclined 30 degree, and the track of slip and the angle of vertical direction, within the scope of 45 degree, are considered as once effectively sliding gesture operation.
7. the control system of contactless touch-screen according to claim 1, is characterized in that: when identifying gesture, hand range image acquisition module 20cm to 80cm.
8. the control system of contactless touch-screen according to claim 1, is characterized in that: the response time of static gesture: user completes the mutual time and is no more than 500ms from operating gesture to application program.
9. the control system of contactless touch-screen according to claim 1, is characterized in that: the response time of slide: the slip of gesture and the list rolling real-time synchronization of application program, if any time delay, be no more than 500ms; And speed and the amplitude of design lists rolling is come according to the speed that gesture is slided.
10. a control method for contactless touch-screen, is characterized in that described method comprises the steps: the relevant information of thermoinduction module induction user gesture, obtains the relevant information of gesture, wake screen up; Image Dynamic Recognition module catches user's face and gesture information by image capture module, and identify user's face and gesture information, if the face information of user is not by checking, then system can not be entered, if the face information of user, by checking, enters system, then Dynamic Recognition images of gestures and action, converts corresponding image and action to by the images of gestures of identification and action; The dynamic locking module of image locks the images of gestures and action that sense, and judgement is which kind of gesture and action; The images of gestures of locking and action show by image display on screen; Order conversion and control module converts the images of gestures of locking and action to corresponding control command, controls touch-screen action.
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| CN111679761A (en) * | 2020-06-19 | 2020-09-18 | 深圳市宝佳终端科技有限公司 | Control method and control device of touch display screen |
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| CN106598240B (en) * | 2016-12-06 | 2020-02-18 | 北京邮电大学 | Menu item selection method and device |
| CN106598240A (en) * | 2016-12-06 | 2017-04-26 | 北京邮电大学 | Menu item selection method and device |
| CN106777020A (en) * | 2016-12-08 | 2017-05-31 | 深圳市小满科技有限公司 | Display device and display methods |
| CN108268181A (en) * | 2017-01-04 | 2018-07-10 | 奥克斯空调股份有限公司 | A kind of control method and device of non-contact gesture identification |
| CN108519819A (en) * | 2018-03-30 | 2018-09-11 | 北京金山安全软件有限公司 | Intelligent device processing method and device, intelligent device and medium |
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| CN110058777A (en) * | 2019-03-13 | 2019-07-26 | 华为技术有限公司 | The method and electronic equipment of shortcut function starting |
| CN111258430A (en) * | 2020-01-21 | 2020-06-09 | 哈尔滨拓博科技有限公司 | Desktop interaction system based on monocular gesture control |
| CN111679761A (en) * | 2020-06-19 | 2020-09-18 | 深圳市宝佳终端科技有限公司 | Control method and control device of touch display screen |
| CN115100779A (en) * | 2022-06-06 | 2022-09-23 | 北京沃东天骏信息技术有限公司 | Retail device |
| CN117373135A (en) * | 2023-12-07 | 2024-01-09 | 湖北星纪魅族集团有限公司 | Sliding gesture recognition method and system based on vision and related equipment |
| CN117373135B (en) * | 2023-12-07 | 2024-03-15 | 湖北星纪魅族集团有限公司 | Sliding gesture recognition method and system based on vision and related equipment |
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