Sign language on your cellphone
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The University of Washington and Cornell University are working on a video compression software able to transmit sign language using cellphones. The Mobile ASL (American Sign Language) project, supported by the National Science Foundation, will change the current situation of more than one million deaf or hard of hearing Americans that cannot use the very basic of a cellphone (via textually).
Technically, the project team is designing new ASL encoders that are compatible with the new H.264/AVC compression standard using x264. In short, those new codecs nearly double compression ratios of MPEG-2, the compression used on DVD for example. The result is showed in pictures, it will be a video compression metric that takes into account empirically validated visual and perceptual processes that occur during conversations in ASL.
The project is great and could open new development for all. For example, imagine a video client for cellphones that only transmits moving part of a video. You save a lot of bandwidth for your video conference and then could increase the number of functionalities.
Feb 14, 2007 | By Nuno
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