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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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    1. Luiz Pessoa‏ @PessoaBrain May 4

      Luiz Pessoa Retweeted

      Breaking news, amazing insight from AI researchers. Exciting times. https://twitter.com/fchollet/status/1389725209800830980 …

      Luiz Pessoa added,

      This Tweet is unavailable.
      4 replies 2 retweets 38 likes
    2. Steve Most  🧠‏ @SBMost May 4
      Replying to @PessoaBrain

      Steve Most  🧠 Retweeted Steve Most  🧠

      https://twitter.com/SBMost/status/1389742334389063681?s=20 …

      Steve Most  🧠 added,

      Steve Most  🧠 @SBMost
      Replying to @fchollet
      Yes! I always liked Neisser's concept of a perceptual cycle. See his 1976 "Cognition & Reality: Principles and Implications of Cognitive Psychology". It helps connect historical roots of this idea with more recent notions of the predictive brain. pic.twitter.com/TOZK6NHA4d
      2 replies 0 retweets 14 likes
    3. Brad Wyble‏ @bradpwyble May 4
      Replying to @SBMost @PessoaBrain

      This is the smoothest "hey, everyone over in psychology already knew this" I've seen in awhile.

      1 reply 1 retweet 26 likes
    4. François Chollet‏Verified account @fchollet May 4
      Replying to @bradpwyble @SBMost @PessoaBrain

      I'm sorry, I wasn't aware I was only allowed to tweet novel ideas. Of course this is old and well-known. Yet many folks still haven't fully internalized it. Does everyone in your field behave like this (in public, at that) or is it just you guys?

      2 replies 0 retweets 1 like
    5. Steve Most  🧠‏ @SBMost May 4
      Replying to @fchollet @bradpwyble @PessoaBrain

      I love the fact that you recognize what the interesting questions are in our field, as I'm sure I couldn't even figure out what separates the interesting from mundane questions in yours. It's exciting any time someone with different expertise shares our awe in what we study.

      1 reply 1 retweet 2 likes
    6. François Chollet‏Verified account @fchollet May 4
      Replying to @SBMost @bradpwyble @PessoaBrain

      Cool, and I appreciate your Neisser reference. Active perception is still not a hot topic in AI today. I used to do some research in that area (active vision with an anticipative eye saccade model) in 2012, and back then these ideas had very little traction. It's trending up tho.

      1 reply 0 retweets 2 likes
    7. Steve Most  🧠‏ @SBMost May 4
      Replying to @fchollet @bradpwyble @PessoaBrain

      That's actually exciting. The fact that active perception is not a hot topic in AI is amazing to me, as it's almost taken for granted in our field. Is that bc its hard to build it into AI, or does it represent a fertile avenue for collaboration between cognitive & AI researchers?

      2 replies 1 retweet 4 likes
    8. François Chollet‏Verified account @fchollet May 4
      Replying to @SBMost @bradpwyble @PessoaBrain

      It has simply not yet shown to be necessary, or even useful. It actually seemed like a more attractive avenue when we knew less and our models performed worse.

      1 reply 0 retweets 1 like
    9. François Chollet‏Verified account @fchollet May 4
      Replying to @fchollet @SBMost and

      ML models don't attempt to emulate human cognition, and they're solving a different problem than embodied cognition in the first place, with different constraints and different degrees of freedom.

      1 reply 0 retweets 1 like
      François Chollet‏Verified account @fchollet May 4
      Replying to @fchollet @SBMost and

      If your input is a static image that you're trying to classify, that's a very different setup than being an embodied agent immersed in a dynamic world subject to cause and effect. In the former case, processing all the information available in one go is actually more effective

      6:33 PM - 4 May 2021
      • 2 Likes
      • Daniel O'Connor Steve Most 🧠
      1 reply 0 retweets 2 likes
        1. New conversation
        2. Steve Most  🧠‏ @SBMost May 4
          Replying to @fchollet @bradpwyble @PessoaBrain

          How does that work with ambiguity in the signal, though? Even static images can be ambiguous and require active inference. For example, see this Figure from Bar (2004), where the same blob can be seen as a hairdryer or drill depending on active interpretation of the scene.pic.twitter.com/v4ZWzmCanP

          1 reply 1 retweet 1 like
        3. François Chollet‏Verified account @fchollet May 4
          Replying to @SBMost @bradpwyble @PessoaBrain

          You can take context into account without active perception. Active perception only becomes really useful in a dynamic world where it's possible to formulate & test hypotheses (requires a time component)

          1 reply 0 retweets 4 likes
        4. Show replies

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