系统运用CMOS数字图像传感器取代模拟CCD摄像机，采用带有usb总线的PIC18 F 4550单片机来控制和传输数据，实现了视觉检测前端数据采集与传输的数字化、智能化。
CMOSdigitalimagesensorandPIC18F4550micro-controllerwithUSBbus are applied to this sys - tem insteadof theanalogCCDcamera to realizethedigitalacquisitionandintelligenttransmission.