简单图像算法。支持读取多种图片格式，支持灰度图计算，多种二值化算法（基于熵的自动阀值，自动双阀值二值化），支持图像多种卷积计算（高斯滤波，轮廓提取）-simple algorithm. Photo support multiple read format, the gray level support, a variety of binary algorithm (based on the entropy of the automatic threshold. automatic dual th