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Add visual geometric code reading
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== Brainstorm / unexplained ideas ==
 
== Brainstorm / unexplained ideas ==
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==== Visual geometric (e.g. linear [http://en.wikipedia.org/wiki/Bar_code bar], [http://en.wikipedia.org/wiki/QR_code QR](matrix)) code recognition ====
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Robust, poor-man's alternative to OCR. These codes are used to track physical items, point at their use manuals, etc. Input devices: (for OLPC) integral camera; one-dimensional scanner like [http://en.wikipedia.org/wiki/CueCat CueCat ]. Some software already exists: [http://qrcode.sourceforge.jp/ Open Source QR Code Library]. (All camera cellphones in Japan bundle this function.)
    
==== Sugar adaption for the Nasa ====
 
==== Sugar adaption for the Nasa ====
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