As the image of computer memories and diSplays is in discrete dots,so it is very diffie nit to recognize a straight line. Parameter estimation is made by using the lend square method for extracting the model feature,so that a simple line vectorizational a
郭世刚.最小二乘法在直线矢量化技术中的应用[J].重庆工商大学学报(自然科学版),1996,(2): Guo Shigang. Application of the Least Square Method on Linear Vectorizational Techniques[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),1996,(2):