Entropy

  此程序实现的是四幅不同曝光图像的图像融合，它使用分块的方法，比较各个块的熵值，然后，由熵值最大的块组成图像。(To achieve the function of this program is four different exposure image fusion image first four image block is to compare their entropy values, select the entropy of a larger block composite image .)