CN104992085A - Method and device for human body in-vivo detection based on touch trace tracking - Google Patents
Method and device for human body in-vivo detection based on touch trace tracking Download PDFInfo
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- CN104992085A CN104992085A CN201510325813.2A CN201510325813A CN104992085A CN 104992085 A CN104992085 A CN 104992085A CN 201510325813 A CN201510325813 A CN 201510325813A CN 104992085 A CN104992085 A CN 104992085A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/316—User authentication by observing the pattern of computer usage, e.g. typical user behaviour
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
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Abstract
The invention discloses a method for human body in-vivo detection based on touch trace tracking, which comprises the steps that a preset command topic in a command database is called randomly, and a response will be made through touch trace tracking as designated; a touch trace is acquired by a touch screen; the acquired touch trace is matched and compared with a preset standard trace in the command database, and a user making the response will be a human living body as judged if the matching is successful; and otherwise, the user making the response will not be a human living body. By randomly calling the command topic in the command database, which can be responded to by the human living body through brain thinking, and designating that the response must be made through the touch trace tracking, the method for human body in-vivo detection based on the touch trace tracking provided by the invention can effectively prevent a personator from attacking a human body in-vivo detection system through a series of technical manners such as photos, video clipping, voice composition and automatic OCR recognition of a machine, so the human body in-vivo detection system has higher safety and higher reliability.
Description
Technical field
The present invention relates to computer utility and image identification technical field, particularly a kind of human body biopsy method based on touch track tracking and device.
Background technology
The commercial applications demand of authentication is more and more stronger, and people are using the important means of biometrics identification technology as authentication.Human body biological characteristics comprises physiological characteristic and behavioural characteristic two kinds, and physiological characteristic has face, fingerprint, iris, retina, palmmprint, hand shape, voice, DNA, pinna shape etc. usually; Behavioural characteristic has person's handwriting, gait etc. usually.But personation problem constitutes very large threat to the authentication system based on human body biological characteristics identification.The modes such as personator can use the fingerprint film of forgery, usurp other people photo or video, the voice of synthesis attack the existing authentication system based on human body biological characteristics.If the authentication system based on human body biological characteristics lacks the ability effectively preventing impersonation attack, will the consequence of bringing on a disaster property.Avoid one of means of aforementioned personation problem to be guarantee that the acquisition of human body biological characteristics obtains from human body live body, therefore, need effective human body In vivo detection technology.
For the authentication system based on recognition of face, personator can adopt the photo of validated user to carry out swindle to attack, therefore, and the thinking that current existing biopsy method adopts mainly automatic distinguishing photo face and living body faces.The key distinction of photo face and living body faces is that the face in photo can not carry out actions such as blinking, open one's mouth, and living body faces can make open one's mouth, blink, the action such as to shake the head.But, lawless person can by recording the facial video image of validated user or editing in advance, the facial video image of synthesis validated user carries out swindle attack further to In vivo detection system.
For the authentication system based on speech recognition, personator can carry out swindle by the voice of the voice recorded in advance, editing or synthesis to human body In vivo detection system and attack.
Summary of the invention
First object of the present invention is that the shortcoming overcoming prior art is with not enough, a kind of human body biopsy method followed the tracks of based on touch track is provided, the method coordinates to have come based on user, the instruction database of terminal preserves a large amount of instruction exercise questions needing can make through user's thinking response in advance, then by the instruction exercise question in terminal random call instruction database, and require that user completes response in the mode touched by finger or touch tool (as felt pen) in official hour on terminal touch screen, if user correctly completes response in official hour, then be determined as human body live body, otherwise, for non-human live body.
Another object of the present invention is that the shortcoming overcoming prior art is with not enough, provides a kind of human body living body detection device followed the tracks of based on touch track.
First object of the present invention is achieved through the following technical solutions:
Based on the human body biopsy method that touch track is followed the tracks of, be applied to the terminal of configuration touch-screen, comprise the following steps:
In random call instruction database, preset needs thinks deeply through live body brain the instruction exercise question that can reply in advance;
The response mode of described instruction exercise question is specified to be that touch track is followed the tracks of;
User's touch track is collected by described terminal touch screen;
Described user's touch track is carried out mating with standard trajectory preset in advance in described instruction database and contrasts, if the match is successful, then judge that response user is as human body live body; Otherwise, judge that response user is as non-human live body.
Preferably, described instruction exercise question comprises:
In described touch screen display labyrinth, specify that user draws the path profile of walking out labyrinth;
In the half of a described touch screen display symmetric figure, specify that user draws the other half of described symmetric figure;
Display pattern sequence on described touch-screen, specifies that user draws according to the variation tendency of pattern or rule the pattern that the next one should show;
Display pattern successively on described touch-screen, specifies that user touches the display pattern described in click successively according to DISPLAY ORDER;
At the movement locus of a described touch screen display target, specify that user draws the movement locus of described target;
At the stroke sequential write of the one or more word of described touch screen display, specify that user writes corresponding word according to this order.
Preferably, user's touch track that described terminal touch screen collects produces for user carries out touch by finger or touch tool on described terminal touch screen.
Preferably, described method also comprises:
The step of setting response time, this step is for setting the response time of described instruction exercise question, if the response duration of described instruction exercise question exceedes the described response time of setting in advance, then judges that response user is as non-human live body.
Preferably, before instruction exercise question step preset in advance in described random call instruction database, described method also comprises:
Instruction database typing step, this step is used for enter instruction exercise question in instruction database, and the standard trajectory that typing is corresponding with described instruction exercise question.
Preferably, described user's touch track and standard trajectory preset in advance in described instruction database carried out mate in the step contrasted described, similarity judgement is carried out by arranging matching similarity threshold value, if matching similarity is more than or equal to described matching similarity threshold value, then judge that the match is successful, otherwise, judge that it fails to match.
Another object of the present invention is achieved through the following technical solutions:
Based on the human body living body detection device that touch track is followed the tracks of, be applied to the terminal of configuration touch-screen, described device comprises:
Instruction exercise question call unit, this unit is used for instruction exercise question preset in advance in random call instruction database;
Response mode designating unit, the response mode that this unit is used to specify described instruction exercise question is that touch track is followed the tracks of;
Touch track acquiring unit, this unit collects user's touch track by described terminal touch screen;
Matching judgment unit, this unit is used for described user's touch track to carry out mating with standard trajectory preset in advance in described instruction database to contrast, if the match is successful, then judges that response user is as human body live body; Otherwise, judge that response user is as non-human live body.
Preferably, described device also comprises:
Response time setup unit, this unit is for setting the response time of described instruction exercise question, if the response duration of described instruction exercise question exceedes the described response time of setting in advance, then judges that response user is as non-human live body.
Preferably, described device also comprises:
Instruction database typing unit, this unit is used for enter instruction exercise question in instruction database, and the standard trajectory that typing is corresponding with described instruction exercise question.
The present invention has following advantage and effect relative to prior art:
(1) what the present invention adopted is that the mode touched based on finger or touch tool (such as felt pen) carries out In vivo detection, one prevents when carrying out In vivo detection based on Face datection, and personator cheats In vivo detection system by photo or video.When two modes that also prevent based on speech recognition carry out In vivo detection, personator cheats In vivo detection system by synthetic speech.
(2) the present invention is random generation from the instruction exercise question of director data library call, and in the instruction exercise question of random call, the required track drawn still needs just to draw out through the thinking of live body brain.Therefore, it is possible to effectively prevent personator by the intrusion of machine to human body In vivo detection system.
Accompanying drawing explanation
Fig. 1 is a kind of human body biopsy method process flow diagram followed the tracks of based on touch track in the embodiment of the present invention one;
Fig. 2 is a kind of human body living body detection device composition frame chart followed the tracks of based on touch track in the embodiment of the present invention two.
Embodiment
For making object of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment one
Refer to Fig. 1, Fig. 1 is based on the human body biopsy method process flow diagram that touch track is followed the tracks of in the present embodiment one, be applied to the terminal of configuration touch-screen, wherein, described terminal comprises mobile phone, notebook computer, panel computer, palm equipment for surfing the net, multimedia equipment, stream media equipment, server or other intelligent apparatus be connected with high in the clouds etc., and terminal includes but not limited to above citing.
Below in conjunction with Fig. 1, illustrate the application example of the human body biopsy method followed the tracks of based on touch track.As shown in Figure 1, the human body biopsy method followed the tracks of based on touch track comprises the following steps:
Instruction exercise question preset in advance in step S1, random call instruction database.
The instruction database of terminal preserves various instruction exercise question in advance, and terminal random call instruction exercise question, requires that user completes corresponding response according to the response mode that touch-screen is pointed out.
The difference maximum due to human and computer of living just is that living person can carry out brain thinking, so the instruction exercise question that in the present embodiment, terminal is called needs can reply through the thinking of live body brain.This instruction includes but not limited to:
(1) in described touch screen display labyrinth, specify that user passes through finger or touch tool (such as felt pen) touches, draw the path profile of walking out labyrinth.
(2) in the half of a described touch screen display symmetric figure, specify that user passes through finger or touch tool (such as felt pen) touches, draw the other half of described symmetric figure.
(3) display pattern sequence on described touch-screen, specifies that user draws according to the variation tendency of pattern or rule the pattern that the next one should show by finger or touch tool (such as felt pen).The variation tendency of the pattern sequence such as shown is the polygon (such as triangle, quadrilateral) becoming large gradually or diminish, then user draws a greater or lesser polygon (such as triangle, quadrilateral) accordingly.The variation tendency of the pattern sequence such as shown again is the elongated or line segment that shortens or camber line gradually, then user draws a longer or shorter line segment or camber line accordingly.The rule of the pattern sequence such as shown is the pattern of certain color, then user should select the paintbrush of respective color to draw the pattern of respective color.The pattern sequence such as shown again is that certain object rotates 45 °, 90 °, 135 ° respectively, then user to draw accordingly this object rotate the figure after 180 ° come.
(4) display pattern successively on described touch-screen, specifies that user passes through finger or touch tool (such as felt pen) and touches successively according to DISPLAY ORDER and click described display pattern.
(5) at the movement locus of a described touch screen display target, specify that user passes through finger or touch tool (such as felt pen) touches, draw the movement locus of described target.
(6) at the stroke sequential write of the one or more word of described touch screen display, specify that user writes corresponding word by finger or touch tool (such as felt pen) according to described stroke sequential write.
If use the method first, the method also comprises the typing step of instruction database, and this step is used for enter instruction exercise question in instruction database, and the standard trajectory that typing is corresponding with described instruction exercise question.Certainly, in the use procedure stage, also can add or instruction exercise question in update instruction database.
Step S2, specify the response mode of described instruction exercise question be touch track follow the tracks of.
Step S3, collect user's touch track by described terminal touch screen.
In this step, user's touch track that terminal touch screen collects produces for user carries out touching (mode of namely writing, drawing, drawing) by finger or touch tool (such as felt pen) on terminal touch screen.
Step S4, described user's touch track carried out mating with standard trajectory preset in advance in described instruction database contrast, if the match is successful, then judge that response user is as human body live body; Otherwise, judge that response user is as non-human live body.
In addition, in the use procedure of reality, before the decision-making of physical activity is made, the response time of instruction exercise question can also be set, and judge whether user answer exceeds response time judging to reply user.Namely set the step of response time, this step is for setting the response time of described instruction exercise question, if the response duration of described instruction exercise question exceedes the described response time of setting in advance, then judges that response user is as non-human live body.
Below in conjunction with Fig. 1, the human body biopsy method followed the tracks of based on touch track in the present embodiment is further described specifically:
Terminal is random selecting instruction exercise question from instruction database, and sends command prompt, asks user in official hour, complete the response of instruction exercise question by the response mode that finger or felt pen touch; User, according to the command prompt of terminal, touches by finger or touch tool (such as felt pen) and has write the touch operation completed required by terminal; Touch track is collected by terminal touch screen; Standard trajectory preset in advance in the touch track and instruction database obtained is carried out coupling contrast, if the match is successful, then judge that response user is as human body live body; Otherwise, judge that response user is as non-human live body.Actual when judging whether coupling, can predefine matching degree or similarity threshold in advance, if such as predefined matching degree or similarity reach more than 90 percent, then think that the match is successful, judge to reply user as human body live body.
(1) labyrinth instruction embodiment is walked
Show labyrinth on the touchscreen, specify that user passes through finger or touch tool (such as felt pen) touches, draw the path profile of walking out labyrinth.For walking labyrinth instruction exercise question, showing labyrinth on the touchscreen, allowing human body live body be touched by finger or touch tool (such as felt pen), drawing the path walking out labyrinth.Collect user's touch track by touch-screen, standard trajectory preset in advance in described user's touch track and instruction database is carried out coupling contrast, if the match is successful, then judge that response user is as human body live body; Otherwise, judge that response user is as non-human live body.
(2) symmetrical semi-circular embodiment is drawn according to semicircle
Namely in the half of a described touch screen display symmetric figure, specify that user passes through finger or touch tool (such as felt pen) touches, draw a kind of embodiment of the other half of described symmetric figure.
Terminal notifying provides the instruction of picture circle, now terminal touch screen has demonstrated left semicircle or right semi-circle, requires that user's finger or touch tool (such as felt pen) touch and draws out symmetrical right semi-circle or left semicircle.After user draws according to instruction, namely collect touch track by touch-screen, then standard trajectory preset in advance in the touch track and instruction database obtained is mated, if the match is successful, be then judged to be human body live body, otherwise be non-living body.
(3) (be similar to and play suslik game) embodiment is clicked successively to the mouse pattern that touch-screen occurs
I.e. display pattern successively on described touch-screen, specifies that user passes through to point or touch tool (such as felt pen) touches a kind of embodiment clicking described display pattern successively according to DISPLAY ORDER.
There is mouse pattern in terminal touch screen, prompting user clicks the mouse pattern occurred successively successively.User collects touch track by touch-screen after carrying out touch clicking operation.According to the touch track collected, judge that whether the region that user clicks is correct.If user correctly completes click successively according to prompting at the appointed time, be then judged to be human body live body, otherwise be non-living body.
(4) the motion path embodiment of animal is followed the trail of
Terminal touch screen shows the movement locus of an animal, allow human body live body be touched by finger or touch tool (such as felt pen), draw the movement locus of target.User is according to the movement locus touching screen display, touched by finger or touch tool (such as felt pen) and follow the tracks of, in touch process, touch track is collected by touch-screen, it is mated with the movement locus of moving target in end command database, if the match is successful, be then judged to be human body live body, otherwise be non-living body.
The present invention thinks deeply through human body live body brain the instruction exercise question that can answer by needing in terminal random call instruction database, and the mode that designated user is followed the tracks of by finger or touch tool (such as felt pen) touch track completes response, judge whether active user is live body with this, object is in order to avoid illegal person is attacked human body In vivo detection system by a series of technological means such as Video Composition, phonetic synthesis, the automatic OCR identifications of machine.
Embodiment two
As shown in Figure 2, Fig. 2 is a kind of human body living body detection device composition frame chart followed the tracks of based on touch track in the present embodiment two, is applied to the terminal of configuration touch-screen.
Can show from Fig. 2, this device comprises:
1, instruction exercise question call unit, this unit is used for instruction exercise question preset in advance in random call instruction database.
The difference maximum due to human and computer of living just is that living person can carry out brain thinking, so the instruction exercise question that in the present embodiment, terminal is called needs to think deeply through brain.This instruction includes but not limited to:
(1) in described touch screen display labyrinth, specify that user passes through finger or touch tool (such as felt pen) touches, draw the path profile of walking out labyrinth.
(2) in the half of a described touch screen display symmetric figure, specify that user passes through finger or touch tool (such as felt pen) touches, draw the other half of described symmetric figure.
(3) display pattern sequence on described touch-screen, specifies that user passes through finger or touch tool (such as felt pen) touches, and draws according to the variation tendency of pattern and rule the pattern that the next one should show.
(4) display pattern successively on described touch-screen, specifies that user passes through finger or touch tool (such as felt pen) and touches successively according to DISPLAY ORDER and click described display pattern.
(5) at the movement locus of a described touch screen display target, specify that user passes through finger or touch tool (such as felt pen) touches, draw the movement locus of described target.
(6) at the stroke sequential write of described one or more word of touch screen display, specify that user passes through finger or touch tool (such as felt pen) touches, write corresponding word according to this order.
2, response mode designating unit, the response mode that this unit is used to specify described instruction exercise question is that touch track is followed the tracks of.
3, touch track acquiring unit, this unit collects touch track by touch-screen.
4, matching judgment unit, this unit is used for described user's touch track to carry out mating with standard trajectory preset in advance in described instruction database to contrast, if the match is successful, then judges that response user is as human body live body; Otherwise, judge that response user is as non-human live body.
5, response time setup unit, this unit is for setting the response time of described instruction exercise question, if the response duration of described instruction exercise question exceedes the described response time of setting in advance, then judges that response user is as non-human live body.
7, instruction database typing unit, this unit is used for enter instruction exercise question in instruction database, and the standard trajectory that typing is corresponding with described instruction exercise question.
If use this device first, this instruction database typing unit must be used, by calling this unit to enter instruction exercise question in instruction database, and the standard trajectory that typing is corresponding with described instruction exercise question.Certainly, in the use procedure stage, also can by calling the instruction exercise question in the interpolation of this unit or update instruction database.
Generally speaking, apparatus of the present invention can prevent personator from utilizing the methods such as photo, cutting video, synthetic speech to cheat In vivo detection Verification System effectively, make the safety and reliability of In vivo detection Verification System higher.
It should be noted that in said apparatus embodiment, included unit and module are carry out dividing according to function logic, but are not limited to above-mentioned division, as long as can realize corresponding function; In addition, the concrete title of each device and unit, also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (9)
1., based on the human body biopsy method that touch track is followed the tracks of, be applied to the terminal of configuration touch-screen, it is characterized in that, comprise the following steps:
In random call instruction database, preset needs thinks deeply through live body brain the instruction exercise question that can reply in advance;
The response mode of described instruction exercise question is specified to be that touch track is followed the tracks of;
User's touch track is collected by described terminal touch screen;
Described user's touch track is carried out mating with standard trajectory preset in advance in described instruction database and contrasts, if the match is successful, then judge that response user is as human body live body; Otherwise, judge that response user is as non-human live body.
2. the human body biopsy method followed the tracks of based on touch track according to claim 1, it is characterized in that, described instruction exercise question comprises:
In described touch screen display labyrinth, specify that user draws the path profile of walking out labyrinth;
In the half of a described touch screen display symmetric figure, specify that user draws the other half of described symmetric figure;
Display pattern sequence on described touch-screen, specifies that user draws according to the variation tendency of pattern or rule the pattern that the next one should show;
Display pattern successively on described touch-screen, specifies that user touches the display pattern described in click successively according to DISPLAY ORDER;
At the movement locus of a described touch screen display target, specify that user draws the movement locus of described target;
At the stroke sequential write of the one or more word of described touch screen display, specify that user writes corresponding word according to described stroke sequential write.
3. the human body biopsy method followed the tracks of based on touch track according to claim 1 and 2, is characterized in that,
User's touch track that described terminal touch screen collects produces for user carries out touch by finger or touch tool on described terminal touch screen.
4. the human body biopsy method followed the tracks of based on touch track according to claim 1 and 2, it is characterized in that, described method also comprises:
The step of setting response time, this step is for setting the response time of described instruction exercise question, if the response duration of described instruction exercise question exceedes the described response time of setting in advance, then judges that response user is as non-human live body.
5. the human body biopsy method followed the tracks of based on touch track according to claim 1 and 2, is characterized in that,
Before instruction exercise question step preset in advance in described random call instruction database, described method also comprises:
Instruction database typing step, this step is used for enter instruction exercise question in instruction database, and the standard trajectory that typing is corresponding with described instruction exercise question.
6. the human body biopsy method followed the tracks of based on touch track according to claim 1 and 2, is characterized in that,
Described user's touch track and standard trajectory preset in advance in described instruction database carried out mate in the step contrasted described, similarity judgement is carried out by arranging matching similarity threshold value, if matching similarity is more than or equal to described matching similarity threshold value, then judge that the match is successful, otherwise, judge that it fails to match.
7., based on the human body living body detection device that touch track is followed the tracks of, be applied to the terminal of configuration touch-screen, it is characterized in that, described device comprises:
Instruction exercise question call unit, this unit is used for instruction exercise question preset in advance in random call instruction database;
Response mode designating unit, the response mode that this unit is used to specify described instruction exercise question is that touch track is followed the tracks of;
Touch track acquiring unit, this unit collects user's touch track by described terminal touch screen;
Matching judgment unit, this unit is used for described user's touch track to carry out mating with standard trajectory preset in advance in described instruction database to contrast, if the match is successful, then judges that response user is as human body live body; Otherwise, judge that response user is as non-human live body.
8. the human body living body detection device followed the tracks of based on touch track according to claim 7, be applied to the terminal of configuration touch-screen, it is characterized in that, described device also comprises:
Response time setup unit, this unit is for setting the response time of described instruction exercise question, if the response duration of described instruction exercise question exceedes the described response time of setting in advance, then judges that response user is as non-human live body.
9. the human body living body detection device followed the tracks of based on touch track according to claim 7, be applied to the terminal of configuration touch-screen, it is characterized in that, described device also comprises:
Instruction database typing unit, this unit is used for enter instruction exercise question in instruction database, and the standard trajectory that typing is corresponding with described instruction exercise question.
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| CN109325462A (en) * | 2018-10-11 | 2019-02-12 | 深圳斐视沃德科技有限公司 | Recognition of face biopsy method and device based on iris |
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