系统共分为值班员、主管和经理三种用户角色，其级别由低到高。其中值班员只具有前台管理的功能，而主管在值班员权限的基础上增加了部分后台管理，如进货、注册员工（值班员）和财务查询功能，而经理则具有系统操作的所有权限。-The system consists of attendant, supervisor and manager of three user roles, and its level from low to high. Which the attendant has only the f

基于ARM11的运动背景的黄色小球的实时捕获与跟踪代码，芯片是S3C6410，没有采用OPENCV代码而是直接跟踪处理，基于色彩空间的跟踪程序-Target tracking based on ARM11 camera, the development board to use the fly Ling ARM11, S3C6410 program, mainly is the moving background, yellow ball tracking.

21.【高斯处理视频并跟踪运动做前景背景分割】bgfg221.【高斯处理视频并跟踪运动做前景背景分割】bgfg2-Gauss processing video and tracking motion foreground background segmentationGauss processing video and tracking motion foreground background segmentation