matlab图像白平衡处理的灰度世界算法，输入bmp图片，最后显示白平衡处理后的图片。
需要根据实际的路径和图片名称更改第一行(MATLAB image white balance processing gray world algorithm, input the BMP picture, and finally display the white balance after the image.
You need to change the first line according to the actual path and picture name, and remove the first line of notes (%RGB=imread ('c:/2.bmp');))