Method and apparatus for face alignment by building a hierarchical classifier network. The hierarchical classifier network connects the tasks of face detection and face alignment into a smooth coarse-to-fine procedure. Texture classifiers are trained to recognize feature texture at different scales for...http://www.google.com.tw/patents/US20080063263?utm_source=gb-gplus-share專利 US20080063263 - Method for outlining and aligning a face in face processing of an image