java图像处理文档 是一些2d的技术和想法-java image processing document some of the technology and the idea of 2d

由一堆离散点，自动生成它的最小外包多边形，及凸壳。-By a bunch of discrete points, it is automatically generated out of the smallest polygon, and the Convex Hull.

SobelEdge可以把2d圖片的所有邊緣偵測出來，本程式是使用java所寫的類別檔，供大家使用-SobelEdge 2d images can be detected all the edges, the program is written using the java class file for all to use