[crazy2be]

There is some discussion of this from 2012, when this was last posted. It looks to be guessing the letters (sometimes incorrectly) based on the larger ones present in the image: https://news.ycombinator.com/item?id=4241978

[JTxt]

Thanks, I was about to dig that up. Neat to see this again. (I should check out their more recent research now.)