The machine vision system consists of two parts: hardware system and software system. The hardware system includes a high-speed image input channel comprising analog multiplex switch backing up several video cameras, the first low-pass filter, the first A/D converter and decoder module, the second low-pass filter, and the second A/D converter and decoder module; a DPS system interconnecting with frame memory and video bus expanding interface; a frame memory also connected to an image pretreating module; a bus controller for the image pretreating module to connect with address bus, data bus and control bus; a search list and PCI bus interface; and a computer with RS232 interface. The software system consists of hardware drive program, system platform and image processing and target distinguishing software package. |