A. 该系统面向的用户是酒店餐饮的前台服务员，厨房管理员，原材料的供货部门以及经理部门的管理人员。 B. 本系统可以在Windows98/ME/2000/XP 以及更高版本系统上稳定运行，有很强的兼容性。 C. 该系统有连网功能便于连锁经营，方便大型连锁企业进行该系统的管理。 -A. The system is user-oriented front hotel and catering staff, kitchen managers, suppliers of raw materi

face recognition is the most important challenging in the research area of computer vision. Different type of illumination takes place from dim light condition to dark light condition. Two types of condition are there. a) Controlled condit