寻找立体相对中两幅影像的同名点，便于进行影像匹配-for two three-dimensional images of relatives of the same title, facilitate image matching

opengl做的立体演示程序，有画蝴蝶的程序算法，深度测试等典型例子-opengl to do three-dimensional demonstration program, a painting of a butterfly program algorithm, a typical example of the depth of testing