学习OPENCV的帮助文档，对于里面的数据函数方便查找学习-Learning OPENCV help documentation, for which the data lookup function to facilitate learning

基于opencv1.0的gamma变换程序，首先接受用户输入，然后计算查找表，最后查表得到变换后的图像。-The gamma transform procedures based on opencv1.0, first to accept user input, and then calculates the lookup table, the last look-up table to obtain the converted image.