Guetzli: Perceptually Guided JPEG Encoder

Created on 2023-02-05T06:20:00-06:00

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Looks like the origins of the JPEG-XL encoder.

Uses Butteraugli to determine if visual artifacting is ocurring in an image. Then uses this in a loop to determine which JPEG coefficients can be zeroed to make the smallest image with the least visually obvious damage.