阐述了新型CMOS 图像传感器的结构模块与工作方式，并且结合一个具体应用实例——以CMOS 图像传感器为核心的基于PC 机的图像采集系统，分析了CMOS 的特点、使用方法及应用前景。关键词: CMOS 图像传感器；帧模式；行模式；EPP 接口Abstract: The structure module and operating mode of the new-type CMOS vision sensor are discussed. The characteristics, usages and applications of CMOS are analyzed with a practical example — a vision gathering system taking CMOS vision sensor as the core based on PC.Key words: CMOS vision sensor; frame mode; line mode; EPP interface