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fchollet's profile
François Chollet
François Chollet
François Chollet
Verified account
@fchollet

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François CholletVerified account

@fchollet

Deep learning @google. Creator of Keras. Author of 'Deep Learning with Python'. Opinions are my own.

United States
fchollet.com
Joined August 2009

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    François Chollet‏Verified account @fchollet 7 Aug 2018

    Just because your representation of choice for a problem space is high-dimensional doesn't mean that the problem is complex. There are impossibly many possible 400x400x3 uint8 tensors, but only a small subset of them are interpretable as natural images, and

    4:15 PM - 7 Aug 2018
    • 17 Retweets
    • 92 Likes
    • nan0 His holiness the supreme patriarch of Woji Binyam fly51fly Aslam Ahammed Prakhar Srivastava Chad Allan Paul O'Grady Vinícius Lionel-Mateus
    4 replies 17 retweets 92 likes
      1. François Chollet‏Verified account @fchollet 7 Aug 2018

        only a tiny subset of these valid images would constitute a "dense sampling" of the space of natural images. The same is true of many other spaces, including the space of Go board positions.

        1 reply 3 retweets 34 likes
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      2. Dmitriy Mandel aka Schnitzel  🐈‏ @mndl_nyc 7 Aug 2018
        Replying to @fchollet

        True, but estimating domain complexity is very hard. And domain experts' pay is strongly correlated with the perceived complexity of their domain, creating bad incentives

        1 reply 0 retweets 5 likes
      3. Scott Edwards‏ @scottedwards200 7 Aug 2018
        Replying to @mndl_nyc @fchollet

        This is such a deep deep point about "expertise." After working for almost thirty years I've finally realized that people are paid based on how effectively they obfuscate and misrepresent their understanding of the domain of their field.

        0 replies 0 retweets 4 likes
      4. End of conversation
      1. Jigar Doshi‏ @jigarkdoshi 7 Aug 2018
        Replying to @fchollet

        Although I have always wondered how much of the manifold complexity of P(x) is dependent on the image capturing sensors. They are quite handcrafty with lots of parameters tuned by people for visually pleasing represention. Thoughts?

        0 replies 0 retweets 0 likes
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      1. An Tran‏ @tranlaman 8 Aug 2018
        Replying to @fchollet

        Hi, I just buy your book today. Cheer,

        0 replies 0 retweets 0 likes
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