This paper analyzed the character of sketch curve and developed the concept of principal curve of sketch curve, and provided an adaptive algorithm by polygonal line for approximating principal curve. The experimental results show that the gained curve by
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陈均明.徒手画曲线软件的自适应方法[J].重庆工商大学学报(自然科学版),2004,(5): CHEN Jun-ming. An adaptive method for sketch curve software[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),2004,(5):