一篇很优秀的关于图像边缘检测和特征提取算法的博士论文，文中介绍了不少有益的算法。-On a very good edge detection and feature extraction algorithm doctoral dissertation, In this paper, many useful algorithms.

This document is about literature review of project facial expression recognition algorithm. In this all approaches are covered which are useful in any biometric recognition.

关于人脸识别的一份博士论文，找的很不容易，希望对大家有用-About recognition of a doctoral dissertation is not easy to find, I hope useful