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by vidarh
3597 days ago
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Dewarping images for OCR isn't a new idea at all - while older systems used to do simple de-skew (tilting the image) for speed reasons, the need for warping the image to improve results has been known for a very long time, and most production quality OCR engines has done something like it for a long time. (this isn't to slight the article - it's a great, well written presentation on how to implement it) |
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