make the batch_face_detect from ID_card by opencv 通过opencv自带的基于haar特征的函数对身份证图片进行批量检测人脸 注意:opencv自带的基于haar特征检测人脸的函数有好几个,没有全部比较,但发现faceCascade.detectMultiScale()函数效果最好,其中:900张身份证图片中,检测结果分为三种:(1)16张检测不到人脸;(2)2张检测到多个人脸;(3)准确检测到一个人脸; 不存在检测到一个目标,且该目标不是人脸的情况。 ps:突然发现自己有了做人脸方面的一个小数据集了,哈哈~
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make the batch_face_detect from ID_card by opencv
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