[Retr0spectrum]

you simply have a tool which extracts the text, transforms it however you please, and then puts it back as an image.

This is extremely non-simple. It is a strictly harder problem than just... encoding image+text in a sane container format like HTML or SVG.

[londons_explore]

But with various AI/ML approaches it's now becoming pretty straightforward. And lots of new hardware has ML acceleration.

[Retr0spectrum]

So we train an ML model to convert images to text. How do we encode that text information?