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Image process should be sub 127.5 then div 127.5 #1

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xiaoxiong1006 opened this issue Oct 3, 2022 · 1 comment

xiaoxiong1006 commented Oct 3, 2022

Sorry for my English. Refer in https://tfhub.dev/tensorflow/lite-model/deeplabv3/1/metadata/2,the origin image process should be sub 127.5 then div 127.5.The code in line 2 of setcion 6 should like this:

np_res_im = ((np_res_im-127.5)/127.5)).astype('float32')

displace

np_res_im = (np_res_im/255).astype('float32')

After do it,the accuracy will improve.

Owner

joonb14 commented Oct 4, 2022

@xiaoxiong1006 You are the best!
Since I don't have jupyter environment anymore, I will replace it latter!
Thank you!

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