根据分块图像的均值与标准差将图像表示成三种状态：边缘态、平坦态、纹理态。然后计算状态关联图，提取出图像的空间特征。可用于图像检索。 -Under the sub-block images of the mean and standard deviation images express into three states: the edge of state, the flat state, texture state. And then calculating the state rela