均匀性度量法的设计思想是，假设当图像被分为目标物和背景两个类别时，属于同一类别内的像素值分布应该具有均匀性。-Uniformity Metrics design ideas is to assume when the image is divided into two categories, the object and the background, belong to the same category of pixel values ​ ​ within the dis