图像处理技术的一般包括图像压缩，增强和复原，匹配、描述和识别3个部分。 常见的系统有康耐视系统、图智能系统等，目前是正在逐渐兴起的技术。-Image processing technology generally include image compression, enhancement and restoration, matching, descr iption and identification of three parts. Common system Cognex system, FIG intelligent systems, is now being gradually emerging technology.