CN103019387A - Mobile terminal and unlocking method thereof - Google Patents
Mobile terminal and unlocking method thereof Download PDFInfo
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- CN103019387A CN103019387A CN2012105705438A CN201210570543A CN103019387A CN 103019387 A CN103019387 A CN 103019387A CN 2012105705438 A CN2012105705438 A CN 2012105705438A CN 201210570543 A CN201210570543 A CN 201210570543A CN 103019387 A CN103019387 A CN 103019387A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 210000005069 ears Anatomy 0.000 claims abstract description 18
- 240000006409 Acacia auriculiformis Species 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 14
- 238000005516 engineering process Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000556 factor analysis Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 210000000883 ear external Anatomy 0.000 description 1
- 210000003027 ear inner Anatomy 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000005021 gait Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
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Abstract
The invention is suitable for the technical field of mobile terminal information security, and provides an unlocking method of a mobile terminal. The unlocking method comprises the following steps of: A, acquiring an ear profile image of a user; B, matching the acquired ear profile image of the user with a pre-stored ear profile standard image; and C, if a matching result is in a preset threshold value range, unlocking. Compared with the prior art, the unlocking method has the advantages that an unlocking password is not required to be input, a pre-determined unlocking operation gesture is not required to be performed, only the terminal is required to be put close to ears, an unlocking process is very simple, locking is only related to the human body characteristic factors of a user, and the security of mobile terminal information is enhanced greatly.
Description
Technical field
The invention belongs to information of mobile terminal safety technique field, relate in particular to a kind of portable terminal and unlock method thereof.
Background technology
The present portable terminals such as mobile phone mainly contain dual mode to the locking and unlocking of keyboard, and a kind of is the locking and unlocking that triggers in order to reach terminal keyboard by one group of button, are combined as the solution locking key such as what adopt " #*9 "; Another kind is supporting to realize the locking and unlocking by the gesture operation of appointment on the hand-written touch-screen, such as a slide block is slid into assigned address.
Above-mentioned the locking and unlocking mode has following several defective:
1, the user has to remember unlocking pin or self-defining touch release gesture, only has when the unlocking pin of input or touches the release gesture when correct, could normally use portable terminal, so that the user uses the process of portable terminal very inconvenient.
2, above-mentioned the locking and unlocking mode more causes " maloperation " accidentally the elimination user, does not consider the security of information of mobile terminal, and the user can come release by the input unlocking pin or with correct touch gestures arbitrarily.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of unlock method of portable terminal, is intended to improve the security of information of mobile terminal and the convenience that portable terminal uses.
The present invention is achieved in that a kind of unlock method of portable terminal, comprises the steps:
Steps A is obtained the user's ear contour images;
Step B mates the user's ear contour images that obtains and the ear profile standard picture that prestores;
Step C is if matching result then carries out release in default threshold range.
Further, described steps A comprises the steps: when having detected the user near portable terminal, then starts camera function to obtain the user's ear contour images.
Further, before steps A, described method also comprises the steps:
Steps A 0, ear contour images and the storage of obtaining validated user are as ear profile standard picture.
Further, described ear profile standard picture comprises the wide standard picture of the left helix that is mutually related and auris dextra profile standard picture; Described step B comprises the steps:
Step B1 mates one in the user's ear contour images that obtains and the wide standard picture of left helix and the auris dextra profile standard picture, if matching result not in default threshold range, execution in step B2 then, otherwise execution in step C;
Step B2 mates in the user's ear contour images that obtains and the wide standard picture of left helix and the auris dextra profile standard picture another again, if matching result then keeps lock-out state not in default threshold range, otherwise execution in step C.
The present invention also provides a kind of portable terminal, comprising:
Image acquisition units is used for obtaining user's ear contour images and ear profile standard picture;
CPU (central processing unit) is connected with described image acquisition units, is used for the user's ear contour images that described image acquisition units is obtained and mates with the ear profile standard picture that prestores;
Separate lock unit, is connected with described CPU (central processing unit), be used for carrying out release in the threshold range that the matching result of described CPU (central processing unit) is being preset the time.
Further, described portable terminal also comprises: the near field sensing unit is used for starting the camera function of described image acquisition units to obtain the user's ear contour images when having detected the user near portable terminal.
Further, described CPU (central processing unit) comprises:
The first matching module, one that is used for the user's ear contour images that will obtain and the wide standard picture of left helix and auris dextra profile standard picture mates, if matching result then triggers described solution lock unit and carries out release in the threshold range of presetting;
The second matching module, be used for matching result at described the first matching module not in default threshold range the time, again in the user's ear contour images that obtains and the wide standard picture of left helix and the auris dextra profile standard picture another mated, if matching result is not in default threshold range, then keep lock-out state, carry out release otherwise trigger described solution lock unit.
The present invention compared with prior art, need not to input unlocking pin, also need not by carrying out predetermined unlocking operation gesture, only need terminal is got final product near ear, releasing process is very simple, and whether release only and characteristics of human body's factor analysis of user, the security that has greatly improved information of mobile terminal.
Description of drawings
Fig. 1 is the realization flow figure of the unlock method of portable terminal provided by the invention;
Fig. 2 is release synoptic diagram provided by the invention;
Fig. 3 is a kind of structure principle chart of portable terminal provided by the invention;
Fig. 4 is the another kind of structure principle chart of portable terminal provided by the invention;
Fig. 5 is the structure principle chart of the CPU (central processing unit) among Fig. 3, Fig. 4.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Ear recognition is another emerging field after the recognition of face of biometrics identification technology research relaying, fingerprint recognition, iris recognition, the Gait Recognition, be intended to carry out feature extraction and then reach the function of identification according to the architectural feature of people's external ear and inner ear, and have recognition image is little, deal with data is few, be not subjected to lift face, cosmetic, expression impact, to the non-advantages such as capture of bothering of identified person.And people's ear has more consistent color assignment, and information dropout is few when being converted into gray level image, and facial image is carried out same operation, and eye color information almost can all be lost.In addition, ear image can not relate to hygienic issues such in the fingerprint extraction when extracting, and also can not make the people produce intense strain as in iris and the retina measurement.In addition, medical research shows that from angle of physiology, everyone ear has uniqueness, and the feature of the aspects such as ear size, fold, the degree of depth is constant throughout one's life, and therefore ear recognition is feasible in theory.
Based on above-mentioned consideration, the present invention namely is that the ear profile by induction identification user need to judge whether release, only when the degree of conformity of the user's ear contour images that gets access to and the ear profile standard picture that prestores is in allowed band, just carries out release.
Fig. 1 shows the realization flow of the unlock method of portable terminal provided by the invention, and details are as follows.
In steps A, obtain the user's ear contour images.
Specifically can adopt an image collecting device that user's ear is made a video recording, as shown in Figure 2.Among the present invention, also but the combined with near field induction technology starts and obtains the ear contour images, namely, when having detected the user near portable terminal, then start camera function to obtain the user's ear contour images, this near field induction specifically can adopt the infrared induction technology to realize, and is comparatively ripe at present, repeats no more herein.Adopt near field induction technology terminal only when user's ear is close, to take to gather image, when distant, then need not to gather, reduce energy consumption.
Further, before steps A, can also comprise a steps A that sets in advance 0, obtain ear contour images and the storage of validated user, as ear profile standard picture.
In step B, the user's ear contour images that obtains and the ear profile standard picture that prestores are mated.
Consider in the concrete use procedure, may exist the user can't very easily terminal be placed on the situation on corresponding ear next door, for example, the pre-standard picture of user is the auris dextra contour images, but the right hand does not have the free time when needs receive calls, and can't easily terminal be placed on by the auris dextra with left hand, this brings significantly inconvenience for use of user.
For making more hommization of releasing process, among the present invention, ear profile standard picture comprises the wide standard picture of the left helix that is mutually related and auris dextra profile standard picture, and concrete matching process is as follows:
Step B1 mates one in the user's ear contour images that obtains and the wide standard picture of left helix and the auris dextra profile standard picture, if matching result not in default threshold range, execution in step B2 then, otherwise execution in step C;
Step B2 mates in the user's ear contour images that obtains and the wide standard picture of left helix and the auris dextra profile standard picture another again, if matching result then keeps lock-out state not in default threshold range, otherwise execution in step C.
By above-mentioned setting, make the user can more indiscriminately ad. as one wishes use terminal communication.
In step C, if matching result then carries out release in default threshold range.
Fig. 3 shows the structural principle of portable terminal provided by the invention, for convenience of description, only shows part related to the present invention.
With reference to Fig. 3, this portable terminal comprises image acquisition units 31, CPU (central processing unit) 32, separates lock unit 33, wherein, image acquisition units 31 is used for obtaining user's ear contour images and ear profile standard picture, CPU (central processing unit) 32 is connected with image acquisition units 31, being used for the user's ear contour images that image acquisition units 31 is obtained mates with the ear profile standard picture that prestores, separating lock unit 33 is connected with CPU (central processing unit) 32 again, be used for matching result in described CPU (central processing unit) in default threshold range the time, carry out release.
Further, as shown in Figure 4, also comprise a near field sensing unit 34, be used for when having detected the user near portable terminal, start the camera function of image acquisition units 33 to obtain the user's ear contour images, can reduce system energy consumption.
Further, Fig. 5 shows the structural principle of above-mentioned CPU (central processing unit) 32, comprise the first matching module 321 and the second matching module 322, the first matching module 321 is used for the user's ear contour images that will obtain and left helix exterior feature standard picture and auris dextra profile standard picture one and mates, if in default threshold range, then triggering solution lock unit 33, matching result carries out release.The second matching module 322 is connected with the first matching module 321, be used for matching result at the first matching module 321 not in default threshold range the time, again in the user's ear contour images that obtains and the wide standard picture of left helix and the auris dextra profile standard picture another mated, if matching result is not in default threshold range, then keep lock-out state, carry out release otherwise trigger solution lock unit 33.
The present invention compared with prior art, need not to input unlocking pin, also need not by carrying out predetermined unlocking operation gesture, only need terminal is got final product near ear, releasing process is very simple, and whether release only and characteristics of human body's factor analysis of user, the security that has greatly improved information of mobile terminal.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the unlock method of a portable terminal is characterized in that, comprises the steps:
Steps A is obtained the user's ear contour images;
Step B mates the user's ear contour images that obtains and the ear profile standard picture that prestores;
Step C is if matching result then carries out release in default threshold range.
2. the unlock method of portable terminal as claimed in claim 1 is characterized in that, described steps A comprises the steps:
When having detected the user near portable terminal, then start camera function to obtain the user's ear contour images.
3. the unlock method of portable terminal as claimed in claim 1 is characterized in that, before steps A, described method also comprises the steps:
Steps A 0, ear contour images and the storage of obtaining validated user are as ear profile standard picture.
4. the unlock method of portable terminal as claimed in claim 1 is characterized in that, described ear profile standard picture comprises the wide standard picture of the left helix that is mutually related and auris dextra profile standard picture; Described step B comprises the steps:
Step B1 mates one in the user's ear contour images that obtains and the wide standard picture of left helix and the auris dextra profile standard picture, if matching result not in default threshold range, execution in step B2 then, otherwise execution in step C;
Step B2 mates in the user's ear contour images that obtains and the wide standard picture of left helix and the auris dextra profile standard picture another again, if matching result then keeps lock-out state not in default threshold range, otherwise execution in step C.
5. a portable terminal is characterized in that, comprising:
Image acquisition units is used for obtaining user's ear contour images and ear profile standard picture;
CPU (central processing unit) is connected with described image acquisition units, is used for the user's ear contour images that described image acquisition units is obtained and mates with the ear profile standard picture that prestores;
Separate lock unit, is connected with described CPU (central processing unit), be used for carrying out release in the threshold range that the matching result of described CPU (central processing unit) is being preset the time.
6. portable terminal as claimed in claim 5 is characterized in that, described portable terminal also comprises:
The near field sensing unit is used for starting the camera function of described image acquisition units to obtain the user's ear contour images when having detected the user near portable terminal.
7. portable terminal as claimed in claim 5 is characterized in that, described CPU (central processing unit) comprises:
The first matching module, one that is used for the user's ear contour images that will obtain and the wide standard picture of left helix and auris dextra profile standard picture mates, if matching result then triggers described solution lock unit and carries out release in the threshold range of presetting;
The second matching module, be connected with described the first matching module, be used for matching result at described the first matching module not in default threshold range the time, again in the user's ear contour images that obtains and the wide standard picture of left helix and the auris dextra profile standard picture another mated, if matching result is not in default threshold range, then keep lock-out state, carry out release otherwise trigger described solution lock unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210570543.8A CN103019387B (en) | 2012-12-25 | 2012-12-25 | Mobile terminal and solution locking method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210570543.8A CN103019387B (en) | 2012-12-25 | 2012-12-25 | Mobile terminal and solution locking method thereof |
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| CN103019387A true CN103019387A (en) | 2013-04-03 |
| CN103019387B CN103019387B (en) | 2016-06-29 |
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Cited By (7)
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| CN104580676A (en) * | 2013-10-28 | 2015-04-29 | 中兴通讯股份有限公司 | Automatic answering method and device |
| CN104714642A (en) * | 2015-03-02 | 2015-06-17 | 惠州Tcl移动通信有限公司 | Mobile terminal and gesture recognition processing method and system thereof |
| CN105373323A (en) * | 2014-08-25 | 2016-03-02 | 联想(北京)有限公司 | Method for operating electronic equipment, operation device and electronic equipment |
| WO2016201769A1 (en) * | 2015-06-16 | 2016-12-22 | 西安慕声电子科技有限公司 | Method for acquiring feature parameters of ear conchae |
| CN106327568A (en) * | 2015-06-16 | 2017-01-11 | 西安慕声电子科技有限公司 | Method of customizing ear wearable device |
| CN106308805A (en) * | 2015-06-16 | 2017-01-11 | 西安慕声电子科技有限公司 | Acquiring method of cavum conchae contour |
| CN106548544A (en) * | 2016-10-31 | 2017-03-29 | 余必亚 | A kind of unlocking system and method |
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| CN106327460B (en) * | 2015-06-16 | 2018-01-23 | 西安慕声电子科技有限公司 | A kind of cavity of concha characteristic parameter acquisition methods |
| CN106327568B (en) * | 2015-06-16 | 2018-09-28 | 西安慕声电子科技有限公司 | A method of customization ear wearable device |
| CN106548544A (en) * | 2016-10-31 | 2017-03-29 | 余必亚 | A kind of unlocking system and method |
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| CN103019387B (en) | 2016-06-29 |
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