Preprocessing of Face Images: Detection of Features and Pose Normalization.

Daniel Reisfeld Yehezkel Yeshurun Preprocessing of Face Images: Detection of Features and Pose Normalization. 413-430 1998 71 Computer Vision and Image Understanding 3 http://dx.doi.org/10.1006/cviu.1997.0640 db/journals/cviu/cviu71.html#ReisfeldY98