求图像的熵

[{"title":"（ 5 个子文件 221KB ） 求图像的熵","children":[{"title":"data compression homework","children":[{"title":"zx_entropy.c <span style='color:#111;'> 1.05KB </span>","children":null,"spread":false},{"title":"zx_second_entropy.c <span style='color:#111;'> 1.44KB </span>","children":null,"spread":false},{"title":"zx_diff_entropy.c <span style='color:#111;'> 870B </span>","children":null,"spread":false},{"title":"lena.bmp <span style='color:#111;'> 257.05KB </span>","children":null,"spread":false},{"title":"comment.txt <span style='color:#111;'> 330B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]