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Image preprocessing before tesseract #37

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juanj opened this issue Nov 1, 2020 · 0 comments

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juanj commented Nov 1, 2020 •

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Adding a preprocessing step can really improve the results.

Right now, the tesseract thresholding algorithm some times eats all the strokes of a kanji, leaving only the shape

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It may be worth to use a different thresholding algorithm and let the user tweak it.

Removing furigana, speech bubble border and anything on the background gives results without junk

juanj added the Medium priority label

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