该程序实现了基于FLD的人脸识别系统，被称为 Fisherface 。 This package implements a well-known FLD-based face recognition method, which is called Fisherface . All functions are easy to use, as they are heavy commente -该程序实现了基于FLD的人脸识别系统，被称为 Fisherface 。 This package impl