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Google is using AI to compress photos

29 点作者 rakibtg超过 8 年前

6 条评论

samfisher83超过 8 年前
The pied piper algorithm was Lossless. I don't think google's is like that.
aaroninsf超过 8 年前
Psychoacoustic masking was the premise of Sony&#x27;s ATRAC compression scheme for audio (used almost exclusively on the Minidisc format).<p>Today it&#x27;d get a press release describing that as AI no doubt...
bbctol超过 8 年前
In the example image the compression seems more noticeable on some parts of the image than others, though this is probably due in part to my imagination. It gives me a wacky (far-future) idea, though; what about combining a NN-based compression system with data on eye tracking and attention, to vary the level of detail in an image depending on salience?
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dmreedy超过 8 年前
This is super-interesting as a facet of the &quot;Intelligence is Compression&quot; model. It&#x27;s tempting to anthropomorphize and say that the system is building an opinion about what an image, fundamentally, _is_. I&#x27;m inclined to believe that these kinds of compressive abstractions are integral to higher-level reasoning. Could you build a system with even better behavior, for example, if you included text snippets describing the images, and a multi-modal model?<p>I&#x27;d be interested to see an analysis of the behaviors of this system compared to more generative efforts, like autoencoders or Deep Dream.
skrowl超过 8 年前
It&#x27;s also been discussed that they&#x27;re using WebP instead of the older JPG &#x2F; PNG formats in Chrome Store &#x2F; Hangouts &#x2F; etc.<p><a href="https:&#x2F;&#x2F;techcrunch.com&#x2F;2013&#x2F;02&#x2F;07&#x2F;google-now-uses-its-own-webp-format-instead-of-pngs-in-the-chrome-web-store&#x2F;" rel="nofollow">https:&#x2F;&#x2F;techcrunch.com&#x2F;2013&#x2F;02&#x2F;07&#x2F;google-now-uses-its-own-we...</a>
inputcoffee超过 8 年前
What is their Weissman score?
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