Illumination-robust fast iris localization method
A positioning method and iris technology, which is applied in the direction of instruments, character and pattern recognition, computer components, etc., can solve the problems of large iris positioning deviation and achieve high practical value and wide application prospects
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[0040] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.
[0041] The fast iris positioning method with robust illumination in the embodiment of the present invention, such as figure 1 As shown, including the following steps:
[0042] S1. Input a natural light photo of a frontal face, and use the local active appearance model to detect the position of the eye area on the input face image;
[0043] S2. Perform the edge operator on the eye area, obtain the edge image of the eye area, calculate the fitting curve of the eye edge, and find the inner and outer corner points of the eye; and use the line of the corner points as the reference line to deflection an...
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