tl;dr web rendered case study of a computer vision system by K Thompson and H Baird. They used ocr plus word level heuristics to digitize an encyclopedia of che

tl;dr web rendered case study of a computer vision system by K Thompson and H Baird. They used ocr plus word level heuristics to digitize an encyclopedia of chess games/moves. By modeling each game during a second page of parsing, they were able to constrain the possible interpretations of questionable characters/words to legal moves. They claim this reduced their error rate 30 fold.