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How do you properly code an image viewer?

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From: Jeremy Echols
Date: Aug 30, 2019 11:52AM

I'm thinking of a site like Historic Oregon Newspapers where content is presented in a way that is fundamentally not usable by a blind person (e.g., https://oregonnews.uoregon.edu/lccn/sn84022644/1878-08-30/ed-1/seq-1/)

We provide an OCR capture, which is unfortunately not great, but the best we can do without hiring thousands of people to write transcripts of each page. But the viewer for those pages is something that cannot be used by a blind person, period. How do we handle that? Open Seadragon uses a canvas element, and that viewer can't be described textually (imagine trying to describe one part of a zoomed-in page). I'm just at a loss for how best to handle a site like this.