Near-infrared face vivo detection method and system
A technology of living body detection and infrared human beings, which is applied in deception detection, equipment, character and pattern recognition, etc., can solve the problems of long training time, easy disappearance, and lack of robustness, etc., to reduce the amount of parameters, facilitate transplantation, reduce small size effect
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[0054] Use the OpenCV code to call the near-infrared camera to collect images of personnel, collect 5 images per second and save them locally. By collecting close-range images of personnel, the collected personnel need to have faces such as front, side, and blinking eyes. A large number of images are collected as The original positive sample. Then, the original positive sample image should be printed on paper, and the infrared camera should be used for secondary acquisition. In order to enrich the data set, the collected photos need to have various transformation forms, and the collected image is used as the original negative sample. The original positive and negative samples such as Figure 4 , 5 shown. During the secondary acquisition, 5 methods were used: including vertical and horizontal forward and backward movement; left and right rotation along the vertical axis; forward and backward rotation along the horizontal axis; bending in and out along the vertical axis; in an...
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