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Neat project! This got me thinking - Why are QR codes black and white? Couldn't they transmit more information if they used colors?
by stephengillie 14y ago
Neat project! This got me thinking - Why are QR codes black and white? Couldn't they transmit more information if they used colors?
- raylu 14y agoDifferent cameras and software will do different kinds of automatic white balance correction but nobody will screw it up so bad that you can't differentiate black from white.
- philsnow 14y agoWell, there are various color-based schemes like http://en.wikipedia.org/wiki/High_Capacity_Color_Barcode http://en.wikipedia.org/wiki/High_Capacity_Color_Barcode