Thad Starner, who now advises/works on Google glass has done a lot of work on exactly this - american sign language recognition. Also interesting is, in many c

Thad Starner, who now advises/works on Google glass has done a lot of work on exactly this - american sign language recognition. Also interesting is, in many cases signing something is much faster than speech or typing. As our pattern recognizer get smarter, there is a small possibility that signers see a greater benefit than the rest of the population.