水平集图像处理程序,利用一个新的变分公式进行图像处理，效果很好-Level set image processing program,we present a new variational formulation for geometric active contours that forces the level set function to be close to a signed distance function, and therefore completely eli

matlab中distance函数的详细描述及其使用方法，以及将换算到直角坐标下的公式-in matlab，distance function details，using