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it'd be interesting to see how well a crowd of humans using tools like this could replace the encoder. I wonder how much smaller jpegs could get with human-leve
by gfody 5y ago
it'd be interesting to see how well a crowd of humans using tools like this could replace the encoder. I wonder how much smaller jpegs could get with human-level psychovisual optimization
- hcs 5y agoThis was jokingly called the “graduate student algorithm” in the context of fractal image compression. http://mcs.csueastbay.edu/~grewe/CS6825/Mat/Compression/Fract.htm http://mcs.csueastbay.edu/~grewe/CS6825/Mat/Compression/Frac...
- andai 5y agoThis is the key insight (psychoacoustics) that led to the MP3 codec: not just converting a waveform into frequencies, but altering the result in a way that throws away most of the data yet remains indistinguishable to most listeners.
- WithinReason 5y agoActually the JPEG quantisation tables were meticulously hand-crafted already