人脸检测“Joint Cascade Face Detection and Alignment”
来源:互联网 发布:乔治克鲁尼 知乎 编辑:程序博客网 时间:2024/05/13 03:10
开源代码:https://github.com/luoyetx/JDA
好的介绍博客:http://www.cvrobot.net/joint-cascade-face-detection-and-alignment/
思路:将人脸矫正和检测一起做,矫正来提升检测准确率
先验证矫正对检测有效,检测后分类器:对OpenCV Haar产生的3000个窗口处理,27facial points SIFT feature + SVM
级联检测及矫正原理
级联检测:
级联矫正:逐步对人脸外形S更新,
最小化Groundtruth与当前shape的误差,
让级联检测依赖于级联回归shape S,
联合训练检测和矫正的算法:
测试的算法:
IOU>0.5时在FDDB上的结果对比
0 0
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