LCE: Don't play dice with random numbers
Posted Nov 26, 2012 4:23 UTC (Mon) by rgmoore
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In reply to: LCE: Don't play dice with random numbers
Parent article: LCE: Don't play dice with random numbers
Raw output would be best, but I don't know if cheap webcams offer that :)
I think that raw output is going to be pretty much mandatory if you hope to get anything like the theoretical entropy out of the sensor. But thinking about it, the biggest loss won't be from interpolation, it will be from using lossy compression. An essential trick to the lossy compression algorithms used to send images and video is that they keep only the most significant information in the picture. Since you're hoping to use the least significant information as a source of entropy, that's a killer.
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