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Incorrect DCT hashes calculation #6

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poslegm opened this issue Oct 16, 2018 · 1 comment

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bug

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poslegm commented Oct 16, 2018 •

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Current algorithm calculates zero DCT distance for attached images. It is not correct.

Answer of original pHash is 29.

poslegm added the bug label

Owner Author

poslegm commented Oct 26, 2018 •

edited

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There are two problems:

(easy) image resizing: need to use NEAREST_NEIGHBOR interpolation
(hard) image convolution: algorithm is broken

poslegm closed this as completed

poslegm mentioned this issue

Changed resize, convolution and correlation algorithms #7

Merged

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