CN105224936A - A kind of iris feature information extracting method and device - Google Patents
A kind of iris feature information extracting method and device Download PDFInfo
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- CN105224936A CN105224936A CN201510719074.5A CN201510719074A CN105224936A CN 105224936 A CN105224936 A CN 105224936A CN 201510719074 A CN201510719074 A CN 201510719074A CN 105224936 A CN105224936 A CN 105224936A
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- iris
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06V40/193—Preprocessing; Feature extraction
Abstract
The embodiment of the invention discloses a kind of iris feature information extracting method and device; The embodiment of the present invention adopts the first eyeball image obtaining user, then, the patterned feature information of decorative pattern on contact lenses is extracted from this first eyeball image, the type of described decorative pattern is gone out according to this patterned feature information searching, type according to this decorative pattern carries out Transformatin to the decorative pattern of contact lenses in described eyeball image, to obtain the second eyeball image, from this second eyeball image, extract iris feature information; The decorative pattern of contact lenses in eyeball image can be gone out by the program, thus the decorative pattern of removal contact lenses is to the interference of iris feature acquisition of information, improves the accuracy of the iris feature information got, improves iris recognition rate.
Description
Technical field
The present invention relates to technical field of information processing, be specifically related to a kind of iris feature information extracting method and device.
Background technology
Iris recognition technology carries out identification based on the iris in eyes.Iris recognition is current safest biological identification technology, has very wide application prospect in a lot of field (such as mobile payment field).
Particularly, the process of iris recognition comprises: obtain the iris feature information of user (as by camera collection iris image, iris feature information is extracted) from iris image, then this iris feature information is mated with the iris information prestored, to identify user identity.
But in actual applications, some user can wear contact lenses, if do not taken in iris recognition process, because contact lenses with various decorative pattern, can produce interference to the acquisition of iris feature information, cause the iris feature information that gets inaccurate, reduce iris recognition rate.
Summary of the invention
The embodiment of the present invention provides a kind of iris feature information extracting method and device, the decorative pattern that can solve due to contact lenses can produce interference to the acquisition of iris feature information, thus cause the iris feature information that gets inaccurate, reduce the technical matters of iris recognition rate.
The embodiment of the present invention provides a kind of iris feature information extracting method, comprising:
Obtain the first eyeball image of user;
The patterned feature information of decorative pattern on contact lenses is extracted from described first eyeball image;
The type of described decorative pattern is gone out according to described patterned feature information searching;
Type according to described decorative pattern carries out Transformatin, to obtain the second eyeball image to the decorative pattern of contact lenses in described first eyeball image;
Iris feature information is extracted from described second eyeball image.
The embodiment of the present invention additionally provides a kind of iris feature information extracting device, comprising:
Image collection module, for obtaining the first eyeball image of user;
First extraction module, for extracting the patterned feature information of decorative pattern on contact lenses from described first eyeball image;
Search module, for going out the type of described decorative pattern according to described patterned feature information searching;
First processing module, carries out Transformatin, to obtain the second eyeball image for the type according to described decorative pattern to the decorative pattern of contact lenses in described first eyeball image;
Second extraction module, for extracting iris feature information from described second eyeball image.
The embodiment of the present invention adopts the first eyeball image obtaining user, then, the patterned feature information of decorative pattern on contact lenses is extracted from this first eyeball image, the type of described decorative pattern is gone out according to this patterned feature information searching, type according to this decorative pattern carries out Transformatin to the decorative pattern of contact lenses in described eyeball image, to obtain the second eyeball image, from this second eyeball image, extract iris feature information; The decorative pattern of contact lenses in eyeball image can be gone out by the program, thus the decorative pattern of removal contact lenses is to the interference of iris feature acquisition of information, improves the accuracy of the iris feature information got, improves iris recognition rate; Do not need user to take contact lenses when iris recognition can carry out iris recognition, simplify the operation of user in iris recognition process simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of a kind of iris feature information extracting method that Fig. 1 provides for the embodiment of the present invention one;
The schematic flow sheet of a kind of iris feature information extracting method that Fig. 2 provides for the embodiment of the present invention two;
The structural representation of a kind of iris feature information extracting device that Fig. 3 provides for the embodiment of the present invention three;
The structural representation of the another kind of iris feature information extracting device that Fig. 4 provides for the embodiment of the present invention three.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of iris feature information extracting method and device.To be described in detail respectively below.
Embodiment one,
Present embodiments provide a kind of iris feature information extracting method, the method can be implemented by iris feature information extracting device, and wherein this iris feature information extracting device can be integrated in the equipment such as terminal, server; As shown in Figure 1, this iris feature information extracting method can comprise:
Step 101, obtains the first eyeball image of user.
Particularly, terminal obtains the first eyeball image of user, and such as terminal obtains the eyeball image of user by camera (infrared photography is first-class).Wherein this eyeball image can comprise: iris image region and sclera image-region, and this iris image region comprises iris image, and this sclera image-region comprises sclera image.
In the present embodiment, if when user has worn tool dapple contact lenses, can there is the decorative pattern image of this decorative pattern in the iris image region of the first eyeball image, this decorative pattern image can cover on iris image;
Also all may can there is the decorative pattern image of contact lenses decorative pattern in iris image region and sclera image-region, also namely a contact lenses decorative pattern image part covers on iris image, and a part covers on sclera image; Such as general contact lenses comprise the central area corresponding with pupil and the neighboring area corresponding with iris, wherein decorative pattern is arranged in neighboring area, if the size of contact lenses is larger, so the neighboring area of contact lenses will cover on iris and sclera, and in the eyeball image now obtained, iris image region and sclera image-region all can exist the decorative pattern image of contact lenses decorative pattern.
Step 102, extracts the patterned feature information of decorative pattern on contact lenses from this first eyeball image.
Particularly, terminal can extract the patterned feature information of decorative pattern on contact lenses from the first eyeball image.Such as, when the first eyeball image comprises iris image region, the patterned feature information of decorative pattern on contact lenses can be extracted from the decorative pattern image in iris image region, again such as, when the first eyeball image comprises iris image region and sclera image-region, the patterned feature information of decorative pattern on contact lenses can be extracted from the decorative pattern image of sclera image-region.Particularly, corresponding patterned feature information can be extracted according to the patterned feature extraction model pre-set from decorative pattern image.
When sclera image-region exists decorative pattern image, can extract patterned feature information from the decorative pattern image of sclera image-region, the decorative pattern image due to sclera image-region is convenient to difference and is identified, therefore, fasterly can extract patterned feature information easily; Particularly, this the first eyeball characteristic image comprises: iris image region and sclera image-region, this sclera image-region comprises: near the first sclera image region in this iris image region and the second sclera image region away from this iris image region, this the first sclera image region comprises: sclera image and the decorative pattern image on these contact lenses, and this decorative pattern image covers on described sclera image; Wherein, step 102 specifically can comprise:
The patterned feature information of decorative pattern on contact lenses is extracted from the decorative pattern image of this first sclera image region.
Should be understood that, the present embodiment method is not limited only to said method and extracts patterned feature information, such as can also from eyeball image the decorative pattern image zooming-out patterned feature information etc. in pupil image region.
Step 103, goes out the type of this decorative pattern according to this patterned feature information searching.
Particularly, terminal finds the type of this decorative pattern according to this patterned feature information.Because the pattern type on current contact lenses has multiple, such as radial, star, diamond-shaped etc.; It is type for the ease of determining contact lenses decorative pattern that the present embodiment extracts patterned feature information, thus is convenient to carry out whole removing to decorative pattern in eyeball image and removes.
Particularly, the mode going out pattern type according to patterned feature information searching has multiple, such as prestore the patterned feature information of all kinds decorative pattern, then the patterned feature information of extraction is mated with the patterned feature information of storage, if success, then find out the pattern type that the patterned feature that successfully prestores with this patterned feature information matches is corresponding; Also namely this step can specifically comprise:
This patterned feature information is mated with the patterned feature information prestored;
If the match is successful, then search the pattern type corresponding with this patterned feature information matches successful patterned feature information.
Such as by extract patterned feature a respectively with patterned feature in database 1, patterned feature 2 ... patterned feature n mates one by one, if the match is successful with patterned feature 1, then finds out the type of decorative pattern belonging to patterned feature 1 or corresponding.
Step 104, the type according to this decorative pattern carries out Transformatin, to obtain the second eyeball image to the decorative pattern of contact lenses in this first eyeball image.
Particularly, the decorative pattern belonging to contact lenses in the first eyeball image is removed according to the type of contact lenses decorative pattern by terminal, is such as removed etc. by the decorative pattern belonging to contact lenses in iris image region.
The present embodiment method is after the type obtaining decorative pattern, just know which decorative pattern in eyeball image and belong to the decorative pattern of these contact lenses, then, whole removing is carried out to the decorative pattern of contact lenses in eyeball image and removes, such as whole removing is carried out to the decorative pattern image covered on iris image and remove etc.
Step 105, extracts iris feature information from this second eyeball image.
Particularly, terminal extracts iris feature information from this second eyeball image, and such as from the iris image extracted region iris feature information of the second eyeball image, feature extraction algorithm can apply existing algorithm.
As from the foregoing, the present embodiment adopts the first eyeball image obtaining user, then, the patterned feature information of decorative pattern on contact lenses is extracted from this first eyeball image, the type of described decorative pattern is gone out according to this patterned feature information searching, type according to this decorative pattern carries out Transformatin to the decorative pattern of contact lenses in described eyeball image, to obtain the second eyeball image, from this second eyeball image, extracts iris feature information; The decorative pattern of contact lenses in eyeball image can be gone out by the program, thus the decorative pattern of removal contact lenses is to the interference of iris feature information extraction, improves the accuracy of the iris feature information extracted, improves iris recognition rate; Do not need user to take contact lenses when iris recognition can carry out iris recognition, simplify the operation of user in iris recognition process, improve Consumer's Experience simultaneously.
Embodiment two,
The present embodiment, by the method basis that describes in embodiment one, is described further iris feature information extracting method of the present invention.The method can be implemented by iris feature information extracting device, and wherein this iris feature information extracting device can be integrated in the equipment such as terminal, server; As shown in Figure 2, this iris feature information extracting method can comprise:
Step 201, obtains the first eyeball image of user.
Particularly, server can the first eyeball image of user that sends of receiving terminal, and such as terminal obtains the eyeball image of user by camera (infrared photography is first-class), is then sent to server by wireless network.Wherein this eyeball image can comprise: iris image region and sclera image-region, and this iris image region comprises iris image, and this sclera image-region comprises sclera image.Specific descriptions for eyeball image with reference to the above-mentioned description to step 101, can repeat no more herein.
Step 202, extracts the patterned feature information of decorative pattern on contact lenses from this first eyeball image.
Particularly, server can extract the patterned feature information of decorative pattern on contact lenses from the first eyeball image.Specific descriptions for step with reference to the above-mentioned description to step 102, can repeat no more herein.
Step 203, goes out the type of this decorative pattern according to this patterned feature information searching.
Particularly, server can go out the type of this decorative pattern according to this patterned feature information searching.For search decorative pattern type specific descriptions can with reference to above-mentioned to step 103 seemingly, repeat again herein.
Step 204, the type according to this decorative pattern carries out Transformatin, to obtain the second eyeball image to the decorative pattern of contact lenses in this first eyeball image.
Particularly, server can carry out Transformatin according to the type of this decorative pattern to the decorative pattern of contact lenses in this first eyeball image, to obtain the second eyeball image, is such as removed etc. by the decorative pattern belonging to contact lenses in iris image region.The description of decorative pattern being removed to process with reference to the above-mentioned description to step 101, can repeat no more herein.
Step 205, obtains the color characteristic information of these contact lenses from the second eyeball image.
Because current most of contact lenses also have color, in order to remove the interference of this Color pair iris feature information extraction, the present embodiment is after removal decorative pattern, also need the color characteristic information extracting contact lenses, so that the follow-up color to contact lenses removes, the accuracy of further lifting iris feature information, improves iris recognition rate.
Particularly, server can obtain the color characteristic information of contact lenses from this second eyeball image; If when the present embodiment method executive agent is terminal, now, terminal can obtain the color characteristic information of contact lenses from this second eyeball image.
General contact lenses comprise: the central area corresponding with pupil and the neighboring area corresponding with iris; And neighboring area is generally provided with color, such as blue, brown, colored etc.; Therefore, in the second eyeball image all likely there is the color of contact lenses in iris image region or sclera image-region; So, the color characteristic information of contact lenses can be extracted from iris image region or sclera image-region.Also namely, comprise at the second eyeball image: when iris image region and sclera image-region, step 205 specifically can comprise: the color characteristic information extracting described contact lenses from iris image region or sclera image-region.
In actual applications, because sclera is white, the color of contact lenses can be more obvious in region in sclera image, therefore, preferably, can extract color characteristic information from sclera image-region, improve the speed of feature information extraction.
Step 206, removes, to obtain the second eyeball image after colour removal the color of these contact lenses in described second eyeball image according to this color characteristic information.
Particularly, server is removed color according to color characteristic information, or when method executive agent is terminal, can be removed by terminal to color.
Such as according to color characteristic information, the color of these contact lenses in iris image region is removed.
Have multiple according to color characteristic information to the mode that color is removed in the present embodiment, such as can according to the color of color characteristic information determination contact lenses, the color such as determining these contact lenses is for red, green, brown etc., then according to this determination result, eyeball corresponding in the second eyeball image is removed, to realize the color removing contact lenses in image; Also namely this step 206 can specifically comprise:
According to the color of color characteristic information determination contact lenses, to obtain determination result;
According to this determination result, color corresponding in described second eyeball image is removed.Such as according to determination result, color corresponding in iris image region is removed, or color corresponding in iris image region and sclera image-region is removed etc.
Step 207, extracts iris feature information from the second eyeball image after colour removal.
Particularly, server can extract iris feature information from the eyeball image after colour removal, or when the present embodiment method executive agent is terminal, terminal can extract iris feature information from this eyeball image after colour removal.
Such as, from entered color removing after iris image region extract iris feature information, feature extraction algorithm can apply existing feature extraction algorithm.
As from the foregoing, the present embodiment adopts the first eyeball image obtaining user, then, the patterned feature information of decorative pattern on contact lenses is extracted from this first eyeball image, the type of described decorative pattern is gone out according to this patterned feature information searching, type according to this decorative pattern carries out Transformatin to the decorative pattern of contact lenses in described eyeball image, to obtain the second eyeball image, afterwards by the colour removal of contact lenses in the second eyeball image; The decorative pattern of contact lenses in eyeball image and color can be gone out by the program, thus remove the decorative pattern of contact lenses and the interference of Color pair iris feature information extraction, improve the accuracy of the iris feature information extracted, improve iris recognition rate; Do not need user to take contact lenses when iris recognition can carry out iris recognition, simplify the operation of user in iris recognition process, improve Consumer's Experience simultaneously.
Embodiment three,
Present embodiments provide a kind of iris feature information extracting device, this device can be integrated in the equipment such as terminal, server.
Integrated for this iris feature information extracting device mode is in a device had multiple, is such as integrated in server or terminal in the mode of software or hardware.
As shown in Figure 3, the eyeball entering device of the present embodiment can comprise: image collection module 301, first extraction module 302, search module 303, first processing module 304 and the second extraction module 305;
Wherein, image collection module 301, for obtaining the first eyeball image of user;
First extraction module 302, for extracting the patterned feature information of decorative pattern on contact lenses from this first eyeball image;
Search module 303, for going out the type of this decorative pattern according to this patterned feature information searching;
First processing module 304, carries out Transformatin, to obtain the second eyeball image for the type according to this decorative pattern to the decorative pattern of contact lenses in this first eyeball image;
Second extraction module 305, for extracting iris feature information from this second eyeball image.
Preferably, this first eyeball characteristic image comprises: iris image region, and this iris image region comprises the decorative pattern image on iris image and these contact lenses, and this decorative pattern image covers on described iris image;
First extraction module 304, specifically for extracting the patterned feature information of decorative pattern on contact lenses from the described decorative pattern image in described iris image region.
Preferably, described first eyeball characteristic image comprises: iris image region and sclera image-region, described sclera image-region comprises: near the first sclera image region in described iris image region and the second sclera image region away from described iris image region, described first sclera image region comprises: the decorative pattern image on sclera image and described contact lenses, and described decorative pattern image covers on described sclera image;
Wherein, the first extraction module 304, specifically for extracting the patterned feature information of decorative pattern on contact lenses in the decorative pattern image from described first sclera image region.
Preferably, search module 303, specifically for:
Described patterned feature information is mated with the patterned feature information prestored;
If the match is successful, then search the pattern type corresponding with described patterned feature information matches successful patterned feature information.
Consider that the color of contact lenses can produce interference to iris feature acquisition of information, the accuracy of iris feature information is caused to decline, iris recognition rate declines, in order to solve this problem, as shown in Figure 4, the present embodiment device on the basis of the above, can also comprise: the 3rd extraction module 306, second processing module 307;
3rd extraction module 306, after carrying out Transformatin for the decorative pattern of contact lenses in described first processing module 304 is to described eyeball image, described second extraction module 305 obtained the color characteristic information of described contact lenses extract iris feature information from described second eyeball image before from the second eyeball image;
Described second processing module 307, for removing according to the color of described color characteristic information to contact lenses described in described second eyeball image, to obtain the second eyeball image after colour removal;
Wherein, described second extraction module 305, specifically for extracting iris feature information from described the second eyeball image after colour removal.
Preferably, described second eyeball image comprises: iris image region and sclera image-region;
Described 3rd extraction module 306, specifically for extracting the color characteristic information of described contact lenses from described iris image region or sclera image-region;
Described second processing module 307, specifically for:
The color of described contact lenses is determined, to obtain determination result according to described color characteristic information;
According to described determination result, color corresponding in described second eyeball image is removed.
During concrete enforcement, above modules can realize as independently entity, and can carry out combination in any yet, realize as same or several entities, the concrete enforcement of above modules see embodiment of the method above, can not repeat them here.
As from the foregoing, in the iris feature information extracting device of the embodiment of the present invention, image collection module 301 can obtain the first eyeball image of user, then, from this first eyeball image, the patterned feature information of decorative pattern on contact lenses is extracted by the first extraction module 302, by the type of searching module 303 and to go out according to this patterned feature information searching described decorative pattern, according to the type of this decorative pattern, Transformatin is carried out to the decorative pattern of contact lenses in described eyeball image by the first processing module 304, to obtain the second eyeball image, from this second eyeball image, iris feature information is extracted afterwards by the second extraction module 305, the decorative pattern of contact lenses in eyeball image can be gone out by the program, thus the decorative pattern of removal contact lenses is to the interference of iris feature acquisition of information, improves the accuracy of the iris feature information got, improves iris recognition rate, do not need user to take contact lenses when iris recognition can carry out iris recognition, simplify the operation of user in iris recognition process simultaneously.
In addition, in the present embodiment iris feature information extracting device, the 3rd extraction module 306 can obtain the color characteristic information of these contact lenses from the second eyeball image, then, the color of these contact lenses in described second eyeball image is removed according to this color characteristic information by the second processing module 307, to obtain the second eyeball image after colour removal, finally from the second eyeball image after colour removal, extract iris feature information by the second extraction module 305; The program can also remove the interference of the Color pair iris feature information extraction of contact lenses further, improves the accuracy of iris feature information further, improves iris recognition rate.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is that the hardware that can carry out instruction relevant by program has come, this program can be stored in a computer-readable recording medium, storage medium can comprise: ROM (read-only memory) (ROM, ReadOnlyMemory), random access memory (RAM, RandomAccessMemory), disk or CD etc.
A kind of iris feature information extracting method provided the embodiment of the present invention above and device are described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for those skilled in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (12)
1. an iris feature information extracting method, is characterized in that, comprising:
Obtain the first eyeball image of user;
The patterned feature information of decorative pattern on contact lenses is extracted from described first eyeball image;
The type of described decorative pattern is gone out according to described patterned feature information searching;
Type according to described decorative pattern carries out Transformatin, to obtain the second eyeball image to the decorative pattern of contact lenses in described first eyeball image;
Iris feature information is extracted from described second eyeball image.
2. iris feature information extracting method as claimed in claim 1, it is characterized in that, described first eyeball characteristic image comprises: iris image region, and described iris image region comprises the decorative pattern image on iris image and described contact lenses, and described decorative pattern image covers on described iris image;
The described step extracting the patterned feature information of decorative pattern on contact lenses from described first eyeball image specifically comprises:
The patterned feature information of decorative pattern on contact lenses is extracted from the described decorative pattern image in described iris image region.
3. iris feature information extraction as claimed in claim 1, it is characterized in that, described first eyeball characteristic image comprises: iris image region and sclera image-region, described sclera image-region comprises: near the first sclera image region in described iris image region and the second sclera image region away from described iris image region, described first sclera image region comprises: the decorative pattern image on sclera image and described contact lenses, and described decorative pattern image covers on described sclera image;
The described step extracting the patterned feature information of decorative pattern on contact lenses from described first eyeball image specifically comprises:
The patterned feature information of decorative pattern on contact lenses is extracted from the decorative pattern image of described first sclera image region.
4. the iris feature information extracting method as described in any one of claim 1-3, is characterized in that, the described step going out the type of described decorative pattern according to described patterned feature information searching specifically comprises:
Described patterned feature information is mated with the patterned feature information prestored;
If the match is successful, then search the pattern type corresponding with described patterned feature information matches successful patterned feature information.
5. iris feature information extracting method as claimed in claim 1, it is characterized in that, after the decorative pattern of contact lenses carries out Transformatin in described eyeball image, extract iris feature information from described second eyeball image before, described iris feature information extracting method also comprises:
The color characteristic information of described contact lenses is obtained from the second eyeball image;
Remove according to the color of described color characteristic information to contact lenses described in described second eyeball image, to obtain the second eyeball image after colour removal;
The described step extracting iris feature information from the second eyeball image specifically comprises:
Iris feature information is extracted from described the second eyeball image after colour removal.
6. iris feature information extracting method as claimed in claim 5, it is characterized in that, described second eyeball image comprises: iris image region and sclera image-region;
The described step obtaining the color characteristic information of described contact lenses from the second eyeball image specifically comprises:
The color characteristic information of described contact lenses is extracted from described iris image region or sclera image-region;
The described step removed according to the color of described color characteristic information to contact lenses described in described second eyeball image comprises:
The color of described contact lenses is determined, to obtain determination result according to described color characteristic information;
According to described determination result, color corresponding in described second eyeball image is removed.
7. an iris feature information extracting device, is characterized in that, comprising:
Image collection module, for obtaining the first eyeball image of user;
First extraction module, for extracting the patterned feature information of decorative pattern on contact lenses from described first eyeball image;
Search module, for going out the type of described decorative pattern according to described patterned feature information searching;
First processing module, carries out Transformatin, to obtain the second eyeball image for the type according to described decorative pattern to the decorative pattern of contact lenses in described first eyeball image;
Second extraction module, for extracting iris feature information from described second eyeball image.
8. iris information extraction element as claimed in claim 7, it is characterized in that, described first eyeball characteristic image comprises: iris image region, and described iris image region comprises the decorative pattern image on iris image and described contact lenses, and described decorative pattern image covers on described iris image;
Described first extraction module, specifically for extracting the patterned feature information of decorative pattern on contact lenses from the described decorative pattern image in described iris image region.
9. iris information extraction element as claimed in claim 7, it is characterized in that, described first eyeball characteristic image comprises: iris image region and sclera image-region, described sclera image-region comprises: near the first sclera image region in described iris image region and the second sclera image region away from described iris image region, described first sclera image region comprises: the decorative pattern image on sclera image and described contact lenses, and described decorative pattern image covers on described sclera image;
Described first extraction module, specifically for extracting the patterned feature information of decorative pattern on contact lenses in the decorative pattern image from described first sclera image region.
10. the iris feature information extracting device as described in any one of claim 7-9, is characterized in that, described in search module, specifically for:
Described patterned feature information is mated with the patterned feature information prestored;
If the match is successful, then search the pattern type corresponding with described patterned feature information matches successful patterned feature information.
11. iris feature information extraction modules as claimed in claim 7, is characterized in that, also comprise:
3rd extraction module, after carrying out Transformatin for the decorative pattern of contact lenses in described first processing module is to described eyeball image, described second extraction module obtained the color characteristic information of described contact lenses extract iris feature information from described second eyeball image before from the second eyeball image;
Described second processing module, for removing according to the color of described color characteristic information to contact lenses described in described second eyeball image, to obtain the second eyeball image after colour removal;
Wherein, described second extraction module, specifically for extracting iris feature information from described the second eyeball image after colour removal.
12. iris feature information extracting devices as claimed in claim 11, is characterized in that, described second eyeball image comprises: iris image region and sclera image-region;
Described 3rd extraction module, specifically for extracting the color characteristic information of described contact lenses from described iris image region or sclera image-region;
Described second processing module, specifically for:
The color of described contact lenses is determined, to obtain determination result according to described color characteristic information;
According to described determination result, color corresponding in described second eyeball image is removed.
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| CN107273847A (en) * | 2017-06-13 | 2017-10-20 | 广东欧珀移动通信有限公司 | Method for collecting iris and equipment, electronic installation and computer-readable recording medium |
| CN107437009A (en) * | 2017-07-14 | 2017-12-05 | 广东欧珀移动通信有限公司 | Authority control method and related product |
| CN107463893A (en) * | 2017-07-28 | 2017-12-12 | 广东欧珀移动通信有限公司 | Iris identification method and mobile terminal |
| WO2019128714A1 (en) * | 2017-12-26 | 2019-07-04 | 华为技术有限公司 | Iris recognition method and vr device |
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| CN106408303A (en) * | 2016-09-21 | 2017-02-15 | 上海星寰投资有限公司 | Payment method and system |
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| CN107273847B (en) * | 2017-06-13 | 2021-02-09 | Oppo广东移动通信有限公司 | Iris acquisition method and apparatus, electronic device, and computer-readable storage medium |
| CN107437009A (en) * | 2017-07-14 | 2017-12-05 | 广东欧珀移动通信有限公司 | Authority control method and related product |
| CN107437009B (en) * | 2017-07-14 | 2020-01-14 | Oppo广东移动通信有限公司 | Authority control method and related product |
| US11176235B2 (en) | 2017-07-14 | 2021-11-16 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Permission control method and related product |
| CN107463893A (en) * | 2017-07-28 | 2017-12-12 | 广东欧珀移动通信有限公司 | Iris identification method and mobile terminal |
| WO2019128714A1 (en) * | 2017-12-26 | 2019-07-04 | 华为技术有限公司 | Iris recognition method and vr device |
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