给定一幅图象，输出其直方图；给定一个线性变换函数，实现图象的灰度拉伸，实现对图象的均衡化。-Given an image, the output of its histogram given a linear transformation function to realize the gray-scale image stretching to achieve the equalization of image.

数学指派问题的经典求解算法 可以用于图像处理，做位姿估计时 特征对应点的匹配 - MUNKRES Munkres (Hungarian) Algorithm for Linear Assignment Problem.

XY轴绘图仪的直线插补和圆弧插补以及工进、快进程序。只需为变量赋值就行-XY axis plotter linear interpolation and circular interpolation, and work forward, fast forward the program. Only for variable assignment.

cad加载后使用，结合文件线型面积.lin，可以根据具体线型自动计算面积，含全算及半算。前提是提前圈好面积线，且赋值好线型！命令为：TJMJ-cad after loading using a linear combination of the file area .lin, according to the specific line automatically calculate the area, including a full count and a half count. The p