3 ms·
It would be so cool to add the OCR as metadata. Texts in internet images could be readily selected and available to assistive technologies if images were OCRd a
by nextaccountic 5y ago
It would be so cool to add the OCR as metadata. Texts in internet images could be readily selected and available to assistive technologies if images were OCRd at creation time.
- layoutIfNeeded 5y agoPDF supports this use case by adding an invisible text layer on top of the raster content. On the other hand, JBIG2 doesn’t actually do OCR. It only does template matching of similar-looking blocks of pixels. The compressor doesn’t try to understand which letter those pixels represent.