CN109800618A - A kind of device and method thereof for detecting whether to wear U.S. pupil - Google Patents
A kind of device and method thereof for detecting whether to wear U.S. pupil Download PDFInfo
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- CN109800618A CN109800618A CN201711134727.9A CN201711134727A CN109800618A CN 109800618 A CN109800618 A CN 109800618A CN 201711134727 A CN201711134727 A CN 201711134727A CN 109800618 A CN109800618 A CN 109800618A
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Abstract
The present invention provides a kind of device and method thereof for detecting whether to wear U.S. pupil, equipment includes: two cameras, binocular vision system is constituted, for acquiring the image information of iris；Computer is connect with two cameras, is handled the image information of received two cameras, is generated the depth information of iris；Display device is connect with computer, and the image that pick-up lens obtains is shown, auxiliary user adjusts position and posture.A kind of equipment and its detection method for detecting whether to wear U.S. pupil provided by the invention, number of components is few, and structure is simple, and save the cost is easy to operate, and human-computer interaction is very intuitive, and leading to too small amount of data processing can that accurately and quickly determine that whether there is or not U.S. pupils.
Description
Technical field
The present invention relates to field of image processings, and in particular to a kind of device and method thereof for detecting whether to wear U.S. pupil.
Background technique
Authentication identifying method advantage based on biological characteristic first is that reliability with higher, but different kind organism feature
There is also the possibility being forged, the iris recognition minimum as misclassification rate is no exception, is also faced with the risk being counterfeited.With
The application of iris recognition technology is more and more wider, and the potential attack means that existing iris authentication system faces are also more and more, mesh
Preceding most important pseudo- iris is printing class iris, comprising: the living body iris image illegally obtained is printed upon on paper material or
It is printed upon on U.S. pupil glasses.Since U.S. pupil spectacle lens central area has light-transmissive, pupil is with the weak generation telescopic variation of light intensity
It can be captured by camera, so that the human eye after making to wear U.S. pupil still has the characteristic of living body iris, it is easier to be known by U.S. pupil
Other system, so iris authentication system needs a kind of device and method for being capable of detecting whether to have worn U.S. pupil.
Summary of the invention
The present invention provides a kind of equipment for detecting whether to wear U.S. pupil, comprising:
Two cameras constitute binocular vision system, for acquiring the image information of iris；
Computer is connect with two cameras, is handled the image information of received two cameras, and rainbow is generated
The depth information of film；
Display device is connect with computer, and the image that pick-up lens obtains is shown, auxiliary user adjusts position
And posture.
A kind of detection method for the equipment detecting whether to wear U.S. pupil, comprising:
S1: a kind of to detect whether to wear U.S. pupil when subscriber station is before a kind of device side for detecting whether to wear U.S. pupil
Equipment starts to detect the distance of the iris of both eyes of people, shows position of human eye by display device, and issue prompt tone to make user's tune
A kind of whole and the distance between equipment for detecting whether to wear U.S. pupil, finally allows user to enter in optimal acquisition region；
S2: a kind of two cameras of the equipment for detecting whether to wear U.S. pupil start to acquire image letter within a preset range
Breath；
S3: computer handles the image information of received two cameras, generates the depth information of iris；
S4: the figure of display device display depth information, when in depth information including the point of at least one gradient mutation,
It then can determine whether to have worn U.S. pupil glasses；When not including the point of gradient mutation in depth information, then can determine whether not wear beauty
Pupil glasses.
Specifically, a kind of detection method for the equipment for detecting whether to wear U.S. pupil, step S3 include:
S31: the center of circle and the radius of the outer boundary circle of left and right eye iris are determined in two monocular images respectively；
S32: straight line is done according to the center location of right and left eyes exterior iris boundary circle respectively in two monocular images, and to two
Point on the circle center line connecting of right and left eyes exterior iris boundary circle in a monocular image is matched；
S33: according to these points pair, depth information of the right and left eyes apart from equipment is calculated.
Preferably, in step S3, preset range is centered on the centre point of exterior iris boundary circle, and selective analysis is slightly larger than
Point within the scope of iris region is to the depth information at identified position.
Preferably, the light source that the equipment for acquiring iris image uses is near infrared light.
A kind of equipment and its detection method for detecting whether to wear U.S. pupil provided by the invention, number of components is few, structure letter
Single, save the cost is easy to operate, and human-computer interaction is very intuitive, and leading to too small amount of data processing can that accurately and quickly differentiate
Whether there is or not U.S. pupils out.
Detailed description of the invention
Fig. 1 is a kind of equipment schematic diagram for detecting whether to wear U.S. pupil provided in an embodiment of the present invention；
Fig. 2 is the depth information figure provided in an embodiment of the present invention for wearing U.S. pupil；
Fig. 3 is the depth information figure provided in an embodiment of the present invention for not wearing U.S. pupil.
Specific embodiment
Below in conjunction with the specific embodiment technical solution that present invention be described in more detail.It should be appreciated that being described herein as
Specific embodiment be only used to explain the present invention, be not intended to limit the present invention.
Fig. 1 is a kind of equipment schematic diagram for detecting whether to wear U.S. pupil provided in an embodiment of the present invention.As shown in Figure 1, one
Kind detects whether the equipment for wearing U.S. pupil, comprising: two cameras C1, C2 acquire the image information of above-mentioned iris A1, A2；Meter
Calculation machine B is connect with above-mentioned two cameras, is handled the image information of received above-mentioned two cameras, in generation
State the depth information of iris；Display device D is connect with above-mentioned computer, and above-mentioned depth information is shown as graphical display.
Fig. 2 is the depth information figure provided in an embodiment of the present invention for wearing U.S. pupil；Fig. 3 is provided in an embodiment of the present invention
The depth information figure of U.S. pupil is not worn.
In Fig. 2, Fig. 3, X-axis is horizontal position, and Y-axis is the distance between equipment, and a-quadrant is optimal acquisition area.
As shown in Figures 2 and 3, a kind of above-mentioned detection method for the equipment for detecting whether to wear U.S. pupil is utilized, comprising:
S1: a kind of to detect whether to wear U.S. pupil when subscriber station is before a kind of device side for detecting whether to wear U.S. pupil
Equipment starts to detect the distance between iris of both eyes and equipment of people, and shows that position of human eye issues prompt tone by display device
Make user's adjustment and a kind of above-mentioned the distance between equipment for detecting whether to wear U.S. pupil, user is finally allowed to enter optimal acquisition area
In domain；
S2: above-mentioned a kind of to detect whether to wear the preset range that above-mentioned two camera of the equipment of U.S. pupil starts to iris
Interior acquisition image information, the preset range can be centered on the center of circle of exterior iris boundary circle, and two lateral extents are greater than iris
The range of outer boundary radius；
S3: above-mentioned computer handles the image information of received above-mentioned two cameras, generates the depth of iris
Information；
S4: when in above-mentioned depth information including the point of at least one gradient mutation, as shown in L1, L2, R1, R2 of Fig. 2,
Then it is judged as the U.S. pupil of wearing；When not including the point of gradient mutation in above-mentioned depth information, do not wear as shown in figure 3, being then judged as
Dai Meitong.
The depth information of above-mentioned generation iris specifically includes:
S31: the center of circle and the radius of the outer boundary circle of left and right eye iris are determined in two monocular images respectively；
S32: the center location for doing right and left eyes exterior iris boundary circle respectively in two monocular images does straight line, and to two
Point on the circle center line connecting of right and left eyes exterior iris boundary circle in a monocular image is matched；
S33: according to these points pair, depth information of the right and left eyes apart from equipment is calculated.
In addition, preset range is centered on the centre point of exterior iris boundary circle, and selective analysis is slightly larger than rainbow in step S3
Point within the scope of diaphragm area is to the depth information at identified position.
In conclusion a kind of equipment and its detection method for detecting whether to wear U.S. pupil provided by the invention, number of components
Few, structure is simple, save the cost, and easy to operate, human-computer interaction is very intuitive, and leading to too small amount of data processing can be accurate and fast
Determine that whether there is or not U.S. pupils fastly.
Above embodiment is the preferred embodiment of the present invention, is not intended to limit patent protection model of the invention
It encloses.Those skilled in the art belonging to any present invention, in the premise for not departing from spirit and scope disclosed in this invention
Under, the transformation of the equivalent structure and equivalent steps that done to the contents of the present invention each falls within claimed the scope of the patents
Within.
Claims (5)
1. a kind of equipment for detecting whether to wear U.S. pupil, comprising:
Two cameras constitute binocular vision system, for acquiring the image information of iris；
Computer is connect with two cameras, is handled the image information of received two cameras, is generated iris
Depth information；
Display device is connect with computer, and the image that pick-up lens obtains is shown, auxiliary user adjusts position and appearance
State.
2. a kind of detection method of equipment for detecting whether to wear U.S. pupil according to claim 1, which is characterized in that packet
It includes:
S1: when subscriber station is before a kind of device side for detecting whether to wear U.S. pupil, a kind of equipment for detecting whether to wear U.S. pupil
Start detect people iris of both eyes distance, by display device show position of human eye, and issue prompt tone make user adjustment with
A kind of the distance between equipment for detecting whether to wear U.S. pupil, finally allows user to enter in optimal acquisition region；
S2: a kind of two cameras of the equipment for detecting whether to wear U.S. pupil start to acquire image information within a preset range；
S3: computer handles the image information of received two cameras, generates the depth information of iris；
S4: the figure of display device display depth information then may be used when in depth information including the point of at least one gradient mutation
It is judged as and has worn U.S. pupil glasses；When not including the point of gradient mutation in depth information, then can determine whether not wear U.S. pupil eye
Mirror.
3. a kind of detection method of equipment for detecting whether to wear U.S. pupil according to claim 2, which is characterized in that step
S3 includes:
S31: the center of circle and the radius of the outer boundary circle of left and right eye iris are determined in two monocular images respectively；
S32: straight line is done according to the center location of right and left eyes exterior iris boundary circle respectively in two monocular images, and to two lists
Point on the circle center line connecting of right and left eyes exterior iris boundary circle in mesh image is matched；
S33: according to these points pair, depth information of the right and left eyes apart from equipment is calculated.
4. a kind of detection method of equipment for detecting whether to wear U.S. pupil according to claim 2, which is characterized in that step
In S3, preset range is centered on the centre point of exterior iris boundary circle, and selective analysis is slightly larger than the point within the scope of iris region
To the depth information at identified position.
5. a kind of detection method of equipment for detecting whether to wear U.S. pupil according to claim 1 or 2, which is characterized in that
The light source that the equipment of acquisition iris image uses is near infrared light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711134727.9A CN109800618A (en) | 2017-11-16 | 2017-11-16 | A kind of device and method thereof for detecting whether to wear U.S. pupil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711134727.9A CN109800618A (en) | 2017-11-16 | 2017-11-16 | A kind of device and method thereof for detecting whether to wear U.S. pupil |
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| CN109800618A true CN109800618A (en) | 2019-05-24 |
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| CN201711134727.9A Pending CN109800618A (en) | 2017-11-16 | 2017-11-16 | A kind of device and method thereof for detecting whether to wear U.S. pupil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114578582A (en) * | 2022-03-17 | 2022-06-03 | 江苏海伦隐形眼镜有限公司 | Shining 5D colorful beautiful pupil and preparation method thereof |
| WO2023088071A1 (en) * | 2021-11-19 | 2023-05-25 | 北京眼神智能科技有限公司 | Cosmetic contact lens detection method and apparatus, iris recognition method and apparatus, and readable storage medium and device |
-
2017
- 2017-11-16 CN CN201711134727.9A patent/CN109800618A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023088071A1 (en) * | 2021-11-19 | 2023-05-25 | 北京眼神智能科技有限公司 | Cosmetic contact lens detection method and apparatus, iris recognition method and apparatus, and readable storage medium and device |
| CN114578582A (en) * | 2022-03-17 | 2022-06-03 | 江苏海伦隐形眼镜有限公司 | Shining 5D colorful beautiful pupil and preparation method thereof |
| CN114578582B (en) * | 2022-03-17 | 2024-03-22 | 江苏海伦隐形眼镜有限公司 | Blazed 5D colorful beauty pupil and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information |
Address after: 030006 9 / F, block D, qingkong innovation base, No. 529, nanzhonghuan street, Taiyuan Xuefu Park, Shanxi comprehensive reform demonstration zone Applicant after: Zhongke Tiandi Technology Co.,Ltd. Address before: 030006, Taiyuan, Shanxi province high tech Zone, South Central Street, No. 529, clear control innovation base, block D, 9 Applicant before: SHANXI WORLD TECHNOLOGY Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190524 |
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| WD01 | Invention patent application deemed withdrawn after publication |