Iris recognition method and system
An iris recognition and iris technology, applied in the field of iris recognition, can solve the problems of complex processing process and low efficiency of iris recognition, and achieve the effect of simplifying the image processing process, improving the efficiency of iris recognition and reducing the complexity
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Embodiment 1
[0046] Such as figure 1 as shown, figure 1 A method for iris recognition provided for an implementation of the present application, comprising steps:
[0047] S10: collecting an eye image, and performing image processing on the eye image;
[0048] S20: Obtain the inner and outer edge areas of the iris in the eye image, and extract an iris image according to the inner and outer edge areas;
[0049] S30: Encoding the iris image, acquiring feature encoding of the iris image, comparing and matching with a preset iris library, and outputting a comparison and matching result.
[0050] In this embodiment, the eyes include a left eye and a right eye with a symmetrical structure. In the process of iris recognition, the right eye can be selected as the recognition object, and the left eye or both left and right eyes can also be selected as the recognition object. This embodiment provides The iris recognition method does not limit the left and right of the eyes, but it can satisfy the...
Embodiment 2
[0065] refer to figure 2 , the present embodiment provides a method for iris recognition, comprising:
[0066] S21: collecting eye images by means of annularly distributed CMOS detectors, and performing image processing on the eye images;
[0067] S201: Determine the inner edge of the iris of the eye according to the high threshold sobel level operator and hough straight line detection;
[0068] S202: Determine the outer edge of the iris of the eye according to the low threshold sobel level operator and hough straight line detection;
[0069] S203: Segment an iris region according to the inner and outer edge regions of the iris, adjust the iris region to a preset size, and perform image enhancement on the iris region as an iris image;
[0070] S30: Encoding the iris image, acquiring feature encoding of the iris image, comparing and matching with a preset iris library, and outputting a comparison and matching result.
[0071] By combining Embodiment 1, this embodiment can d...
Embodiment 3
[0086] Such as image 3 As shown, this implementation provides a system for iris recognition, including:
[0087] Image processing module 31: for collecting eye images, and performing image processing on the eye images;
[0088] Image extraction module 32: used to obtain the inner edge and outer edge area of the iris in the eye image, and extract the iris image according to the inner edge and outer edge area;
[0089] Comparison and matching module 33: used to encode the iris image, obtain the feature code of the iris image, compare and match with the preset iris library, and output the comparison and matching result.
[0090] In this embodiment, also include:
[0091] Image collection module 30: used for collecting the eye image by means of circularly distributed CMOS detectors.
[0092] Among them, the eye image collected by the annular distribution CMOS detector is a polar coordinate image. It should be understood that the annular distribution CMOS detector has the cha...
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