C++程序，功能包括了BMP图像的读取和矢量化。还有一部分加工的程序。总功能类似于线切割-C++ programs, features include a BMP image to read and vectorization. Also part of the processing procedures. General features similar to the wire cutting

道格拉斯曲线法，对曲线进行拟合，最终使图像实现矢量化-Douglas curve method , the curve fitting , the final image to achieve a vectorization