你好，
根据你的描述，你想用C++语言来实现图形匹配的功能，这个没有现成的C++函数来帮你做的，肯定需要你自己写代码写算法实现的。这个涉及到数字图像处理和图形图像识别技术了。直方图均衡化或小波变换等等算法，你需要用C++去实现这些算法。或者你可以基于OpenGL 或OpenCV去实现这样的算法会简单一些。
May
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