CN105608408A - Method, system and terminal for iris recognition - Google Patents
Method, system and terminal for iris recognition Download PDFInfo
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- CN105608408A CN105608408A CN201510369606.7A CN201510369606A CN105608408A CN 105608408 A CN105608408 A CN 105608408A CN 201510369606 A CN201510369606 A CN 201510369606A CN 105608408 A CN105608408 A CN 105608408A
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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Abstract
The invention provides a method, a system and a terminal for iris recognition. The iris recognition method comprises steps: according to a received iris recognition command, a first iris image is acquired; when the first iris image is determined to be consistent with a preset iris image of the terminal, iris image change indication information is sent; after sending of the iris image change indication information achieves scheduled time, a second iris image is acquired; and whether the difference between the first iris image and the second iris image is consistent with a change effect corresponding to the iris image change indication information is detected to enable to determine whether to successfully pass the iris recognition according to the detection result. Through the technical scheme of the invention, whether the iris image comes from a real and reliable user can be determined according to the change effect of the iris image along with visual information, the iris recognition authentication accuracy is improved, an illegal person can be prevented from forging the iris to steal the important information of the user, safety of the user information is improved, and anti-forging and anti-stealing effects are enhanced.
Description
Technical field
The present invention relates to terminal technology field, in particular to a kind of iris identification method, a kind of iris authentication system and a kind of terminal.
Background technology
At present, iris recognition is all to utilize sensor that identified person's iris is taken pictures and obtained, identified person may replace the modes such as the photo of taking pictures to cheat sensor with high-definition image, makes some lawless persons obtain user's important information by iris recognition.
Although iris itself has very strong anti-counterfeiting characteristic, but iris technology itself is also a kind of taking pictures adds the scheme of contrast, if the object of being clapped be not human eye iris but forge iris image even 3D print artificial eye ball, the meaning of identification will be lost, and it is similar that this meets with the fake situation of fingerprint of people with fingerprint recognition.
Therefore need a kind of new technical scheme, the security that can improve iris recognition.
Summary of the invention
The present invention, just based on the problems referred to above, has proposed a kind of new technical scheme, the security that can improve iris recognition.
In view of this, an aspect of of the present present invention has proposed a kind of iris identification method, for terminal, comprising: according to the iris recognition order receiving, obtain the first iris image; In the time determining that the default iris image of described the first iris image and described terminal is consistent, send iris image variation indication information; Change indication information and reach after the scheduled time sending described iris image, obtain the second iris image; To change the variation effect that indication information is corresponding consistent with described iris image for the difference that detects described the first iris image and described the second iris image, for according to testing result, determines whether successfully to pass through iris recognition.
In this technical scheme, iris recognition order can be the order of any information that need to obtain terminal, as unlock command, note reading order, receiving talking order etc. After receiving iris recognition order, can obtain the first iris image by the camera of terminal, tentatively judge that whether the first iris image is consistent with default iris image, if consistent, think that this iris image is the user's that stores in terminal iris image really, and send iris image change indication information, otherwise, stop red film recognition function. Then, the prompting that user just can change indication information according to iris image is moved, such as, the upper right corner of the screen of terminal shows " please see here ", user is that rotatable eyeball is watched this position, when reaching after the scheduled time, assert and now can gather stable iris image, can obtain the second iris image by the camera of terminal. Next, need to judge that whether the first iris image is that iris image changes the variation effect that indication information is corresponding with the difference of the second iris image, if it is by iris recognition, otherwise stops iris recognition. For example, user rotates behind the upper right corner of screen of eyeball viewing terminal, and its iris can be offset to upper right side, and the second iris image obtaining can be offset to upper right side with respect to the first iris image, now, if the second iris image to upper right side skew, illustrates that this iris image, really from authentic and valid user, can pass through iris recognition really, otherwise, in the time that skew or non-upper right side, offset direction do not occur the second iris image, iris recognition that no thoroughfare, to ensure the Information Security of terminal. Pass through technique scheme, on common iris recognition basis, increase the process of secondary identification, can determine that with the variation effect of visual information whether this iris image is from true and reliable user according to iris image, improve the accuracy of iris recognition authentication, avoid law-breaker to utilize false iris to steal user's important information, improve the security of user profile, strengthened false proof, antitheft effect.
In technique scheme, preferably, described in the time determining that the default iris image of described the first iris image and described terminal is consistent, described send iris image variation indication information before, also comprise: the authentication rank of determining the source person of described the first iris image; Described source person's variation indication information corresponding to described authentication rank is set to described iris image and changes indication information.
In this technical scheme, can different authentication ranks be set for different users, and different authentication ranks is to there being different variation indication informations, like this, in the time that terminal determines that the first iris image is really user's the iris image of terminal, can change indication information by the iris image using variation indication information corresponding this user's authentication rank as this user. Wherein, authentication rank is higher, needs the variation indication information of setting more complicated. By technique scheme, for different users, different iris images can be set and change indication information, further hierarchical classification promotes the security of user profile inferiorly.
In technique scheme, preferably, the difference of described the first iris image of described detection and described the second iris image whether with described iris image change variation effect that indication information is corresponding consistent before, also comprise: detect described the first iris image whether consistent with the iris information of described the second iris image, for in the time that described iris information is consistent, the difference of described the first iris image and described the second iris image is detected.
In this technical scheme, first need to judge that whether the first iris image is consistent with the iris information of the second iris image, that is to say, whether the owner that need to judge the first iris image and the second iris image is same person, avoid causing because the owner is different iris image skew or change the iris recognition error causing, having improved the accuracy of iris recognition authentication and the security of user profile.
In technique scheme, preferably, described iris image changes indication information and is: visual direction information; Visual color indication information; Or visual direction information and visual color indication information; Wherein, the type of described visual direction information comprise following at least one or a combination set of: text type, picture/mb-type, audio types, video type.
In this technical scheme, it can be visual direction information that iris image changes indication information, can be also visual color indication information, can also be the combination of visual direction information and visual color indication information, certainly, can be also other indication informations in addition as required. wherein, visual direction information include but not limited to following at least one or a combination set of: text type is (for example, the a certain position display of the screen of terminal " please be seen here "), picture/mb-type (for example, the a certain position display one width picture of the screen of terminal), audio types (for example, the terminal prompting of sounding " please be seen the upper right side of the screen of terminal "), video type (for example, upper right side at the screen of terminal shows one section of animation), user can be according to the mobile sight line of the prompting of these indication informations, thereby produce the skew of iris image. by technique scheme, can select applicable iris image to change indication information according to user's actual demand, promote user's experience.
In technique scheme, preferably, to change the variation effect that indication information is corresponding consistent with described iris image for the difference of described the first iris image of described detection and described the second iris image, specifically comprise: detect described the second iris image whether consistent with the direction indication of described visual direction information with respect to the offset direction of described the first iris image, wherein, in the time that described offset direction is consistent with described direction indication, determines and successfully pass through iris recognition; Whether and/or it is consistent with the predetermined pupil situation of change of described visual color indication information with respect to the pupil situation of change of described the first iris image to detect described the second iris image, wherein, in the time that described pupil situation of change is consistent with described predetermined pupil situation of change, determines and successfully pass through iris recognition.
In this technical scheme, incessantly can determine that whether iris image is from authentic and valid user by the skew of iris image, can also determine that whether iris image is from authentic and valid user by user's pupil situation of change. such as, obtaining after the first iris image, can be set to black by terminal screen, and obtain the second iris image, because screen color is deepened, watch the user's of screen pupil to amplify, the pupil image of user in the second iris image obtaining so will change, therefore, in the time of contrast the first iris image and the second iris image, if find that the pupil situation of change of the second iris image predetermined pupil situation of change corresponding with visual color indication information (watching black screen) is consistent, assert that the two width iris images that detect are from authentic and valid user, allow to pass through iris recognition, otherwise, do not allow to pass through iris recognition. pass through technique scheme, can change indication information according to different iris images and determine that whether iris image is from true and reliable user, improve the accuracy of iris recognition authentication, avoid law-breaker to utilize false iris to steal user's important information, improve the security of user profile, strengthened false proof, antitheft effect.
In technique scheme, preferably, also comprise: according to the order that arranges receiving, be set the described scheduled time.
In this technical scheme, the scheduled time is the interval time of obtaining the first iris image and the second iris image, only just can assert that through after a period of time the second iris image is stable, can be for gathering, thereby promote the accuracy of iris image acquiring, further increase accuracy and the security of iris recognition, promoted user's experience.
The present invention has proposed a kind of iris authentication system on the other hand, for terminal, comprising: the first acquiring unit, according to the iris recognition order receiving, obtain the first iris image; Indication information issue unit, in the time determining that the default iris image of described the first iris image and described terminal is consistent, sends iris image variation indication information; Second acquisition unit, changes indication information and reaches after the scheduled time sending described iris image, obtains the second iris image; Detecting unit, to change the variation effect that indication information is corresponding consistent with described iris image for the difference that detects described the first iris image and described the second iris image, for according to testing result, determines whether successfully to pass through iris recognition.
In this technical scheme, iris recognition order can be the order of any information that need to obtain terminal, as unlock command, note reading order, receiving talking order etc. After receiving iris recognition order, can obtain the first iris image by the camera of terminal, tentatively judge that whether the first iris image is consistent with default iris image, if consistent, think that this iris image is the user's that stores in terminal iris image really, and send iris image change indication information, otherwise, stop red film recognition function. Then, the prompting that user just can change indication information according to iris image is moved, such as, the upper right corner of the screen of terminal shows " please see here ", user is that rotatable eyeball is watched this position, when reaching after the scheduled time, assert and now can gather stable iris image, can obtain the second iris image by the camera of terminal. Next, need to judge that whether the first iris image is that iris image changes the variation effect that indication information is corresponding with the difference of the second iris image, if it is by iris recognition, otherwise stops iris recognition. For example, user rotates behind the upper right corner of screen of eyeball viewing terminal, and its iris can be offset to upper right side, and the second iris image obtaining can be offset to upper right side with respect to the first iris image, now, if the second iris image to upper right side skew, illustrates that this iris image, really from authentic and valid user, can pass through iris recognition really, otherwise, in the time that skew or non-upper right side, offset direction do not occur the second iris image, iris recognition that no thoroughfare, to ensure the Information Security of terminal. Pass through technique scheme, on common iris recognition basis, increase the process of secondary identification, can determine that with the variation effect of visual information whether this iris image is from true and reliable user according to iris image, improve the accuracy of iris recognition authentication, avoid law-breaker to utilize false iris to steal user's important information, improve the security of user profile, strengthened false proof, antitheft effect.
In technique scheme, preferably, also comprise: authenticating unit, described in the time determining that the default iris image of described the first iris image and described terminal is consistent, change before indication information at the described iris image that sends, determine the source person's of described the first iris image authentication rank, and described source person's variation indication information corresponding to described authentication rank is set to described iris image variation indication information.
In this technical scheme, can different authentication ranks be set for different users, and different authentication ranks is to there being different variation indication informations, like this, in the time that terminal determines that the first iris image is really user's the iris image of terminal, can change indication information by the iris image using variation indication information corresponding this user's authentication rank as this user. Wherein, authentication rank is higher, needs the variation indication information of setting more complicated. By technique scheme, for different users, different iris images can be set and change indication information, further hierarchical classification promotes the security of user profile inferiorly.
In technique scheme, preferably, described detecting unit also for: the difference of described the first iris image of described detection and described the second iris image whether with described iris image change variation effect that indication information is corresponding consistent before, detect described the first iris image whether consistent with the iris information of described the second iris image, for in the time that described iris information is consistent, the difference of described the first iris image and described the second iris image is detected.
In this technical scheme, first need to judge that whether the first iris image is consistent with the iris information of the second iris image, that is to say, whether the owner that need to judge the first iris image and the second iris image is same person, avoid causing because the owner is different iris image skew or change the iris recognition error causing, having improved the accuracy of iris recognition authentication and the security of user profile.
In technique scheme, preferably, described iris image changes indication information and is: visual direction information; Visual color indication information; Or visual direction information and visual color indication information; Wherein, the type of described visual direction information comprise following at least one or a combination set of: text type, picture/mb-type, audio types, video type.
In this technical scheme, it can be visual direction information that iris image changes indication information, can be also visual color indication information, can also be the combination of visual direction information and visual color indication information, certainly, can be also other indication informations in addition as required. wherein, visual direction information include but not limited to following at least one or a combination set of: text type is (for example, the a certain position display of the screen of terminal " please be seen here "), picture/mb-type (for example, the a certain position display one width picture of the screen of terminal), audio types (for example, the terminal prompting of sounding " please be seen the upper right side of the screen of terminal "), video type (for example, upper right side at the screen of terminal shows one section of animation), user can be according to the mobile sight line of the prompting of these indication informations, thereby produce the skew of iris image. by technique scheme, can select applicable iris image to change indication information according to user's actual demand, promote user's experience.
In technique scheme, preferably, described detecting unit specifically for: detect described the second iris image whether consistent with the direction indication of described visual direction information with respect to the offset direction of described the first iris image, wherein, in the time that described offset direction is consistent with described direction indication, determine and pass through iris recognition, whether and/or it is consistent with the predetermined pupil situation of change of described visual color indication information with respect to the pupil situation of change of described the first iris image to detect described the second iris image, wherein, in the time that described pupil situation of change is consistent with described predetermined pupil situation of change, determine and pass through iris recognition.
In this technical scheme, incessantly can determine that whether iris image is from authentic and valid user by the skew of iris image, can also determine that whether iris image is from authentic and valid user by user's pupil situation of change. such as, obtaining after the first iris image, can be set to black by terminal screen, and obtain the second iris image, because screen color is deepened, watch the user's of screen pupil to amplify, the pupil image of user in the second iris image obtaining so will change, therefore, in the time of contrast the first iris image and the second iris image, if find that the pupil situation of change of the second iris image predetermined pupil situation of change corresponding with visual color indication information (watching black screen) is consistent, assert that the two width iris images that detect are from authentic and valid user, allow to pass through iris recognition, otherwise, do not allow to pass through iris recognition. pass through technique scheme, can change indication information according to different iris images and determine that whether iris image is from true and reliable user, improve the accuracy of iris recognition authentication, avoid law-breaker to utilize false iris to steal user's important information, improve the security of user profile, strengthened false proof, antitheft effect.
In technique scheme, preferably, also comprise: set of time unit, according to the order that arranges receiving, arranges the described scheduled time.
In this technical scheme, the scheduled time is the interval time of obtaining the first iris image and the second iris image, only just can assert that through after a period of time the second iris image is stable, can be for gathering, thereby promote the accuracy of iris image acquiring, further increase accuracy and the security of iris recognition, promoted user's experience.
Further aspect of the present invention has proposed a kind of terminal, comprises the iris authentication system described in above-mentioned middle any one, has and the identical technique effect of iris authentication system described in above-mentioned any one, does not repeat them here.
Pass through technique scheme, on common iris recognition basis, increase the process of secondary identification, can determine that with the variation effect of visual information whether this iris image is from true and reliable user according to iris image, improve the accuracy of iris recognition authentication, avoid law-breaker to utilize false iris to steal user's important information, improve the security of user profile, strengthened false proof, antitheft effect.
Brief description of the drawings
Fig. 1 shows the flow chart of iris identification method according to an embodiment of the invention;
Fig. 2 shows the block diagram of iris authentication system according to an embodiment of the invention;
Fig. 3 shows the block diagram of terminal according to an embodiment of the invention;
Fig. 4 shows the terminal schematic diagram with iris authentication system according to an embodiment of the invention;
Fig. 5 to Fig. 7 shows the terminal shown in Fig. 4 carries out the schematic diagram of iris recognition.
Detailed description of the invention
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail. It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
Fig. 1 shows the flow chart of iris identification method according to an embodiment of the invention.
As shown in Figure 1, iris identification method according to an embodiment of the invention, for terminal, comprising:
Step 102, according to the iris recognition order receiving, obtains the first iris image.
Step 104, in the time determining that the default iris image of the first iris image and terminal is consistent, sends iris image variation indication information.
Step 106, send iris image change indication information reach after the scheduled time, obtain the second iris image.
Step 108, whether the difference that detects the first iris image and the second iris image is consistent with variation effect corresponding to iris image variation indication information, for according to testing result, determines whether successfully to pass through iris recognition.
In this technical scheme, iris recognition order can be the order of any information that need to obtain terminal, as unlock command, note reading order, receiving talking order etc. After receiving iris recognition order, can obtain the first iris image by the camera of terminal, tentatively judge that whether the first iris image is consistent with default iris image, if consistent, think that this iris image is the user's that stores in terminal iris image really, and send iris image change indication information, otherwise, stop red film recognition function. Then, the prompting that user just can change indication information according to iris image is moved, such as, the upper right corner of the screen of terminal shows " please see here ", user is that rotatable eyeball is watched this position, when reaching after the scheduled time, assert and now can gather stable iris image, can obtain the second iris image by the camera of terminal. Next, need to judge that whether the first iris image is that iris image changes the variation effect that indication information is corresponding with the difference of the second iris image, if it is by iris recognition, otherwise stops iris recognition. For example, user rotates behind the upper right corner of screen of eyeball viewing terminal, and its iris can be offset to upper right side, and the second iris image obtaining can be offset to upper right side with respect to the first iris image, now, if the second iris image to upper right side skew, illustrates that this iris image, really from authentic and valid user, can pass through iris recognition really, otherwise, in the time that skew or non-upper right side, offset direction do not occur the second iris image, iris recognition that no thoroughfare, to ensure the Information Security of terminal. Pass through technique scheme, on common iris recognition basis, increase the process of secondary identification, can determine that with the variation effect of visual information whether this iris image is from true and reliable user according to iris image, improve the accuracy of iris recognition authentication, avoid law-breaker to utilize false iris to steal user's important information, improve the security of user profile, strengthened false proof, antitheft effect.
In technique scheme, preferably, before step 104, also comprise: the authentication rank of determining the source person of the first iris image; Source person's variation indication information corresponding to authentication rank is set to iris image and changes indication information.
In this technical scheme, can different authentication ranks be set for different users, and different authentication ranks is to there being different variation indication informations, like this, in the time that terminal determines that the first iris image is really user's the iris image of terminal, can change indication information by the iris image using variation indication information corresponding this user's authentication rank as this user. Wherein, authentication rank is higher, needs the variation indication information of setting more complicated. By technique scheme, for different users, different iris images can be set and change indication information, further hierarchical classification promotes the security of user profile inferiorly.
In technique scheme, preferably, before step 108, also comprise: detect the first iris image whether consistent with the iris information of the second iris image, in the time that iris information is consistent, the difference of the first iris image and the second iris image is detected.
In this technical scheme, first need to judge that whether the first iris image is consistent with the iris information of the second iris image, that is to say, whether the owner that need to judge the first iris image and the second iris image is same person, avoid causing because the owner is different iris image skew or change the iris recognition error causing, having improved the accuracy of iris recognition authentication and the security of user profile.
In technique scheme, preferably, iris image changes indication information and is: visual direction information; Visual color indication information; Or visual direction information and visual color indication information; Wherein, the type of visual direction information comprise following at least one or a combination set of: text type, picture/mb-type, audio types, video type.
In this technical scheme, it can be visual direction information that iris image changes indication information, can be also visual color indication information, can also be the combination of visual direction information and visual color indication information, certainly, can be also other indication informations in addition as required. wherein, visual direction information include but not limited to following at least one or a combination set of: text type is (for example, the a certain position display of the screen of terminal " please be seen here "), picture/mb-type (for example, the a certain position display one width picture of the screen of terminal), audio types (for example, the terminal prompting of sounding " please be seen the upper right side of the screen of terminal "), video type (for example, upper right side at the screen of terminal shows one section of animation), user can be according to the mobile sight line of the prompting of these indication informations, thereby produce the skew of iris image. by technique scheme, can select applicable iris image to change indication information according to user's actual demand, promote user's experience.
In technique scheme, preferably, step 108 specifically comprises: detect the second iris image whether consistent with the direction indication of visual direction information with respect to the offset direction of the first iris image, wherein, in the time that offset direction is consistent with direction indication, determines and successfully pass through iris recognition; Whether and/or it is consistent with the predetermined pupil situation of change of visual color indication information with respect to the pupil situation of change of the first iris image to detect the second iris image, wherein, in the time that pupil situation of change is consistent with predetermined pupil situation of change, determines and successfully pass through iris recognition.
In this technical scheme, incessantly can determine that whether iris image is from authentic and valid user by the skew of iris image, can also determine that whether iris image is from authentic and valid user by user's through hole situation of change. such as, obtaining after the first iris image, can be set to black by terminal screen, and obtain the second iris image, because screen color is deepened, watch the user's of screen pupil to amplify, the pupil image of user in the second iris image obtaining so will change, therefore, in the time of contrast the first iris image and the second iris image, if find that the pupil situation of change of the second iris image predetermined pupil situation of change corresponding with visual color indication information (watching black screen) is consistent, assert that the two width iris images that detect are from authentic and valid user, allow to pass through iris recognition, otherwise, do not allow to pass through iris recognition. pass through technique scheme, can change indication information according to different iris images and determine that whether iris image is from true and reliable user, improve the accuracy of iris recognition authentication, avoid law-breaker to utilize false iris to steal user's important information, improve the security of user profile, strengthened false proof, antitheft effect.
In technique scheme, preferably, also comprise: according to the order that arranges receiving, be set the scheduled time.
In this technical scheme, the scheduled time is the interval time of obtaining the first iris image and the second iris image, only just can assert that through after a period of time the second iris image is stable, can be for gathering, thereby promote the accuracy of iris image acquiring, further increase accuracy and the security of iris recognition, promoted user's experience.
Fig. 2 shows the block diagram of iris authentication system according to an embodiment of the invention.
As shown in Figure 2, iris authentication system 200 according to an embodiment of the invention comprises: the first acquiring unit 202, according to the iris recognition order receiving, obtain the first iris image; Indication information issue unit 204, in the time determining that the default iris image of the first iris image and terminal is consistent, sends iris image variation indication information; Second acquisition unit 206, send iris image change indication information reach after the scheduled time, obtain the second iris image; Detecting unit 208, whether the difference that detects the first iris image and the second iris image is consistent with variation effect corresponding to iris image variation indication information, for according to testing result, determines whether successfully to pass through iris recognition.
In this technical scheme, iris recognition order can be the order of any information that need to obtain terminal, as unlock command, note reading order, receiving talking order etc. After receiving iris recognition order, can obtain the first iris image by the camera of terminal, tentatively judge that whether the first iris image is consistent with default iris image, if consistent, think that this iris image is the user's that stores in terminal iris image really, and send iris image change indication information, otherwise, stop red film recognition function. Then, the prompting that user just can change indication information according to iris image is moved, such as, the upper right corner of the screen of terminal shows " please see here ", user is that rotatable eyeball is watched this position, when reaching after the scheduled time, assert and now can gather stable iris image, can obtain the second iris image by the camera of terminal. Next, need to judge that whether the first iris image is that iris image changes the variation effect that indication information is corresponding with the difference of the second iris image, if it is by iris recognition, otherwise stops iris recognition. For example, user rotates behind the upper right corner of screen of eyeball viewing terminal, and its iris can be offset to upper right side, and the second iris image obtaining can be offset to upper right side with respect to the first iris image, now, if the second iris image to upper right side skew, illustrates that this iris image, really from authentic and valid user, can pass through iris recognition really, otherwise, in the time that skew or non-upper right side, offset direction do not occur the second iris image, iris recognition that no thoroughfare, to ensure the Information Security of terminal. Pass through technique scheme, on common iris recognition basis, increase the process of secondary identification, can determine that with the variation effect of visual information whether this iris image is from true and reliable user according to iris image, improve the accuracy of iris recognition authentication, avoid law-breaker to utilize false iris to steal user's important information, improve the security of user profile, strengthened false proof, antitheft effect.
In technique scheme, preferably, also comprise: authenticating unit 210, in the time determining that the default iris image of the first iris image and terminal is consistent, before sending iris image variation indication information, determine the source person's of the first iris image authentication rank, and variation indication information corresponding to source person's authentication rank is set to iris image variation indication information.
In this technical scheme, can different authentication ranks be set for different users, and different authentication ranks is to there being different variation indication informations, like this, in the time that terminal determines that the first iris image is really user's the iris image of terminal, can change indication information by the iris image using variation indication information corresponding this user's authentication rank as this user. Wherein, authentication rank is higher, needs the variation indication information of setting more complicated. By technique scheme, for different users, different iris images can be set and change indication information, further hierarchical classification promotes the security of user profile inferiorly.
In technique scheme, preferably, detecting unit 208 also for: before whether the difference that detects the first iris image and the second iris image consistent with variation effect corresponding to iris image variation indication information, detect the first iris image whether consistent with the iris information of the second iris image, for in the time that iris information is consistent, the difference of the first iris image and the second iris image is detected.
In this technical scheme, first need to judge that whether the first iris image is consistent with the iris information of the second iris image, that is to say, whether the owner that need to judge the first iris image and the second iris image is same person, avoid causing because the owner is different iris image skew or change the iris recognition error causing, having improved the accuracy of iris recognition authentication and the security of user profile.
In technique scheme, preferably, iris image changes indication information and is: visual direction information; Visual color indication information; Or visual direction information and visual color indication information; Wherein, the type of visual direction information comprise following at least one or a combination set of: text type, picture/mb-type, audio types, video type.
In this technical scheme, it can be visual direction information that iris image changes indication information, can be also visual color indication information, can also be the combination of visual direction information and visual color indication information, certainly, can be also other indication informations in addition as required. wherein, visual direction information include but not limited to following at least one or a combination set of: text type is (for example, the a certain position display of the screen of terminal " please be seen here "), picture/mb-type (for example, the a certain position display one width picture of the screen of terminal), audio types (for example, the terminal prompting of sounding " please be seen the upper right side of the screen of terminal "), video type (for example, upper right side at the screen of terminal shows one section of animation), user can be according to the mobile sight line of the prompting of these indication informations, thereby produce the skew of iris image. by technique scheme, can select applicable iris image to change indication information according to user's actual demand, promote user's experience.
In technique scheme, preferably, detecting unit 208 specifically for: detect the second iris image whether consistent with the direction indication of visual direction information with respect to the offset direction of the first iris image, wherein, in the time that offset direction is consistent with direction indication, determine and pass through iris recognition, whether and/or it is consistent with the predetermined pupil situation of change of visual color indication information with respect to the pupil situation of change of the first iris image to detect the second iris image, wherein, in the time that pupil situation of change is consistent with predetermined pupil situation of change, determines and pass through iris recognition.
In this technical scheme, incessantly can determine that whether iris image is from authentic and valid user by the skew of iris image, can also determine that whether iris image is from authentic and valid user by user's through hole situation of change. such as, obtaining after the first iris image, can be set to black by terminal screen, and obtain the second iris image, because screen color is deepened, watch the user's of screen pupil to amplify, the pupil image of user in the second iris image obtaining so will change, therefore, in the time of contrast the first iris image and the second iris image, if find that the pupil situation of change of the second iris image predetermined pupil situation of change corresponding with visual color indication information (watching black screen) is consistent, assert that the two width iris images that detect are from authentic and valid user, allow to pass through iris recognition, otherwise, do not allow to pass through iris recognition. pass through technique scheme, can change indication information according to different iris images and determine that whether iris image is from true and reliable user, improve the accuracy of iris recognition authentication, avoid law-breaker to utilize false iris to steal user's important information, improve the security of user profile, strengthened false proof, antitheft effect.
In technique scheme, preferably, also comprise: set of time unit 212, according to the order that arranges receiving, arranges the scheduled time.
In this technical scheme, the scheduled time is the interval time of obtaining the first iris image and the second iris image, only just can assert that through after a period of time the second iris image is stable, can be for gathering, thereby promote the accuracy of iris image acquiring, further increase accuracy and the security of iris recognition, promoted user's experience.
Fig. 3 shows the block diagram of terminal according to an embodiment of the invention.
As shown in Figure 3, terminal 300 according to an embodiment of the invention, comprise iris authentication system 302, wherein, iris authentication system 302 is equivalent to the iris authentication system 200 shown in Fig. 2, therefore, iris authentication system 302 has and the identical technique effect of iris authentication system 200 described in above-mentioned any one, does not repeat them here.
Fig. 4 to Fig. 7 shows the terminal schematic diagram with iris authentication system according to an embodiment of the invention.
In the time that user starts the iris identifying function of mobile phone, iris recognition sensor and the display screen of mobile phone start simultaneously, the picture that human eye changes according to screen display moves sight line, now, catch the iris image of human eye with iris sensing camera, judge the track of motion and the variation of the pupil size order of eyeball according to the conversion of image, and then determine whether current iris image comes from user.
As shown in Figure 4, the present embodiment is applied to the mobile phone with iris sensor and display screen, and wherein, iris sensor and display location are in the same face of mobile phone, and in the time of the positive observation of user display screen, iris sensor just can capture user's iris information.
As shown in Figure 5, in the time that user starts iris identifying function, on mobile phone screen, show the information shown in Fig. 5, now, iris sensor is taken the first iris image of user, and this is consistent with common iris authentication system substantially, then the first iris image and the preset standard iris image of user is compared, if consistent, iris recognition success; If the preset iris image of the first iris image and user is inconsistent, iris recognition failure.
As shown in Figure 6, after client iris is identified successfully, to further confirm that whether this iris image is truly from user itself, mobile phone screen shows the information shown in Fig. 6, and require user to observe the explanatory note in Fig. 6 upper right corner, now, user's eyeball direction can move to upper right side, and iris sensor is taken the second iris image of user. If the second iris image is consistent with the iris information of the first iris image, and eyeball position is different from the first iris image, and is while being offset to upper right side, user identity identification success; If the iris information of the second iris image and the first iris image is inconsistent, or the non-upper right side of the drift condition of eyeball, identification failure.
After the second iris image has judged, can also increase the 3rd differentiation process, as shown in Figure 7, mobile phone screen shows holomelanocratic picture, and requires user to observe the explanatory note in the picture lower left corner, and user's eyeball direction left below is mobile, in addition, because screen is entirely black, user's PD can amplify, and now iris sensor is taken user's the 3rd iris image. If the 3rd iris image is consistent with the iris information of the first iris image, and eyeball position is consistent with expection with pupil situation of change, judges user identity identification success; If the iris information of the 3rd iris image and the first iris image, eye movement position, pupil situation of change, arbitrary one when inconsistent, judges user identity identification failure with expection.
Below, be described further for the process of above-mentioned several judgements:
When user starts after iris recognition, the display time intervals between the first iris image and the second iris image, the second iris image and the 3rd iris image can be set, such as, display time intervals can be made as to 3 seconds.
In addition, for the judgement of the user identity identification of the second iris image and the 3rd iris image, can adjust according to user's request, such as, in the time that user's authentication rank is lower, can only adopt wherein any identification; In the time that user's authentication rank is higher, can adopt dual identity identification.
More than be described with reference to the accompanying drawings technical scheme of the present invention, by technical scheme of the present invention, on common iris recognition basis, increase the process of secondary identification, can determine that with the variation effect of visual information whether this iris image is from true and reliable user according to iris image, improve the accuracy of iris recognition authentication, avoid law-breaker to utilize false iris to steal user's important information, improved the security of user profile, strengthened false proof, antitheft effect.
In the present invention, term " first ", " second ", " the 3rd " only object for describing, and can not be interpreted as instruction or hint relative importance, for the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the description of this description, the description of term " embodiment " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description. In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example. And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (13)
1. an iris identification method, for terminal, is characterized in that, comprising:
According to the iris recognition order receiving, obtain the first iris image;
In the time determining that the default iris image of described the first iris image and described terminal is consistent, send rainbowFilm image changes indication information;
Change indication information and reach after the scheduled time sending described iris image, obtain the second iris figurePicture;
The difference that detects described the first iris image and described the second iris image whether with described iris figureIt is consistent that picture changes the variation effect that indication information is corresponding, with according to testing result, determines whether successfully to lead toCross iris recognition.
2. iris identification method according to claim 1, is characterized in that, described when determiningWhen the default iris image of described the first iris image and described terminal is consistent, at the described iris figure that sendsPicture also comprises before changing indication information:
Determine the source person's of described the first iris image authentication rank;
Described source person's variation indication information corresponding to described authentication rank is set to described iris figurePicture changes indication information.
3. iris identification method according to claim 2, is characterized in that, in described detectionWhether the difference of described the first iris image and described the second iris image changes and refers to described iris imageBefore showing that variation effect corresponding to information is consistent, also comprise:
Detect described the first iris image whether consistent with the iris information of described the second iris image, withIn the time that described iris information is consistent, to the difference of described the first iris image and described the second iris imageDetect.
4. iris identification method according to claim 3, is characterized in that, described iris figurePicture changes indication information:
Visual direction information;
Visual color indication information; Or
Visual direction information and visual color indication information;
Wherein, the type of described visual direction information comprise following at least one or a combination set of:
Text type, picture/mb-type, audio types, video type.
5. iris identification method according to claim 4, is characterized in that, described detection instituteWhether the difference of stating the first iris image and described the second iris image changes instruction with described iris imageVariation effect corresponding to information is consistent, specifically comprises:
Detect described the second iris image with respect to the offset direction of described the first iris image whether with instituteThe direction indication of stating visual direction information is consistent, wherein, and when described offset direction and described instructionWhen direction is consistent, determines and successfully pass through iris recognition; And/or
With respect to the pupil situation of change of described the first iris image whether to detect described the second iris imageConsistent with the predetermined pupil situation of change of described visual color indication information, wherein, when described pupil becomesWhen change situation is consistent with described predetermined pupil situation of change, determines and successfully pass through iris recognition.
6. according to the iris identification method described in any one in claim 1 to 5, its feature existsIn, also comprise:
According to the order that arranges receiving, be set the described scheduled time.
7. an iris authentication system, for terminal, is characterized in that, comprising:
The first acquiring unit, according to the iris recognition order receiving, obtains the first iris image;
Indication information issue unit, when determining the default iris of described the first iris image and described terminalWhen image is consistent, sends iris image and change indication information;
Second acquisition unit, changes indication information and reaches after the scheduled time sending described iris image,Obtain the second iris image;
Detecting unit, the difference that detects described the first iris image and described the second iris image whether withIt is consistent that described iris image changes the variation effect that indication information is corresponding, with according to testing result, determinesWhether successfully pass through iris recognition.
8. iris authentication system according to claim 7, is characterized in that, also comprises:
Authenticating unit, described when determining the default iris image of described the first iris image and described terminalWhen consistent, send before iris image changes indication information described, determine described the first iris imageSource person's authentication rank, and by variation instruction corresponding described source person's described authentication rankInformation is set to described iris image and changes indication information.
9. iris authentication system according to claim 8, is characterized in that, described detection is singleUnit also for:
In the difference of described the first iris image of described detection and described the second iris image whether with describedIris image change variation effect corresponding to indication information consistent before, detect described the first iris imageWhether consistent with the iris information of described the second iris image, with in the time that described iris information is consistent, rightThe difference of described the first iris image and described the second iris image detects.
10. iris authentication system according to claim 9, is characterized in that, described iris figurePicture changes indication information:
Visual direction information;
Visual color indication information; Or
Visual direction information and visual color indication information;
Wherein, the type of described visual direction information comprise following at least one or a combination set of:
Text type, picture/mb-type, audio types, video type.
11. iris authentication systems according to claim 10, is characterized in that, described detectionUnit specifically for:
Detect described the second iris image with respect to the offset direction of described the first iris image whether with instituteThe direction indication of stating visual direction information is consistent, wherein, and when described offset direction and described instructionWhen direction is consistent, determines by iris recognition, and/or detect described the second iris image with respect to instituteThe pupil situation of change of stating the first iris image whether with the predetermined pupil of described visual color indication informationSituation of change is consistent, wherein, when described pupil situation of change consistent with described predetermined pupil situation of changeTime, determine and pass through iris recognition.
12. according to the iris authentication system described in any one in claim 7 to 11, and its feature existsIn, also comprise:
Set of time unit, according to the order that arranges receiving, arranges the described scheduled time.
13. 1 kinds of terminals, is characterized in that, comprise as described in any one in claim 7 to 12Iris authentication system.
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| CN201510369606.7A CN105608408A (en) | 2015-06-29 | 2015-06-29 | Method, system and terminal for iris recognition |
| PCT/CN2015/095666 WO2017000494A1 (en) | 2015-06-29 | 2015-11-26 | Iris identification method, iris identification system, and terminal |
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| CN201510369606.7A CN105608408A (en) | 2015-06-29 | 2015-06-29 | Method, system and terminal for iris recognition |
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| CN201510369606.7A Pending CN105608408A (en) | 2015-06-29 | 2015-06-29 | Method, system and terminal for iris recognition |
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| WO (1) | WO2017000494A1 (en) |
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