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Thread: RAISR - image compression with machine learning by Google

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    RAISR - image compression with machine learning by Google

    Bumped into this on the web, thought it very neat, and thought it worth mentioning here in this forum for those interested:

    Overview: https://research.googleblog.com/2016...h-machine.html

    RAISR is a machine-learning up-sampler. (I want to say the magic words "Neural Net" but the paper seems very careful to call it a politically-correct "Machine Learning" and I haven't actually read it properly, but I presume its NN.) It is trained by downscaling an image and then learning how to upscale it back up to the original.

    Then, in real life, Google is serving 1 billion down-sampled images per-week to Android G+ clients and on the device upscaling them again for presentation, saving 75% bandwidth.

    Paper: https://arxiv.org/pdf/1606.01299v3.pdf

    Blogpost: https://www.blog.google/products/goo...hine-learning/

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    it would be interesting to see RAISR vs. NGU comparison.

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