How to work out two images's degree of similarity using php

Question

there are two jpg files binary data,how to work out their degree of similarity using php. if it is possible to get color infomation from binary code.what's more ,the server cant surport gd,it's a delegate server.

Well, do you have something else, like ImageMagick? If not, you should probably write your own function to decode jpg et al. Also: what would you consider "similar"? Average color? — Spiny Norman, Dec 18 '10 at 09:15
no imageMagick either,i want to do something like using picutre search annother picture. — zhangrt, Dec 20 '10 at 04:07

score 2 · Answer 1 · edited May 23 '17 at 11:47

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How to work out two images's degree of similarity using php

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