Modern development to manufacturing industry has posed a more rigid demand for Machine Vision System (MVS).It is necessary now to develop a more effective MVS with higher flexibility and generality.

• 工业生产水平的提高对机器视觉系统的灵活性和通用性提出了更高的要求，构造一种高性能的机器视觉系统有其实际的必要性。