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You can use QccPack to train a VQ codebook on an image and then to code the image with full-search VQ followed with arithmetic coding. Take a 512*512 grayscale Lenna image, for example. The following ...
Google announces new coding library ``Jpegli'' that improves compression rate of high-quality JPEG images by 35% On April 3, 2024, Google announced a new JPEG coding library, Jpegli .