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用两张指纹图片中的其中一张对其验证

完整代码

import cv2def cv_show(name, img):cv2.imshow(name, img)cv2.waitKey(0)def verification(src, model):sift = cv2.SIFT_create()kp1, des1 = sift.detectAndCompute(src, None)kp2, des2 = sift.detectAndCompute(model, None)flann = cv2.FlannBasedMatcher()matches = flann.knnMatch(des1, des2, k=2)ok = []for m, n in matches:if m.distance < 0.8 * n.distance:ok.append(m)num = len(ok)if num >= 500:result = "认证通过"else:result = "认证失败"return resultif __name__ == '__main__':src1 = cv2.imread("src1.bmp")cv_show('src1', src1)src2 = cv2.imread('src2.bmp')cv_show('src2', src2)model = cv2.imread('model.bmp')cv_show('model', model)result1 = verification(src1, model)result2 = verification(src2, model)print("src1验证结果为：", result1)print("src2验证结果为：", result2)

运行结果