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OCR option: scripts direction #189

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eroux opened this issue Sep 7, 2022 · 0 comments
Open

OCR option: scripts direction #189

eroux opened this issue Sep 7, 2022 · 0 comments

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@eroux
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eroux commented Sep 7, 2022

the following option should be implemented to OCR scans of East-Asian books, that would be in source_metadata

  • layout that can be either ltr-ttb (left to right, then top to bottom, the usual thing) or ttb-rtl (top to bottom, then left to right)

one example that we will need to OCR is https://library.bdrc.io/show/bdr:W3CN27012

Since we already reorder the polygons, it should be easy to adjust the algorithm with the layout value
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@eroux