Doc photos taken by cameras about noteshrink HOT 4 OPEN

• https://github.com/Liang-yc/IntegralThreshold
• https://github.com/pedrofrodenas/image-thresholding-OCR

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@zqngetsu96

1. Use PIL to average the original and bw images.
2. Use T in IntegralThreshold not as a threshold, but as a normalizer: N=(128/(T+1)).

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@zvezdochiot Oh man thanks that's pretty cool actually it will help a lot in the BW scanning. But for now, I need the color scanning as well. Any leads on thresholding colored images (basically to get a full white background)?

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Thank you, am gonna try this out :')

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