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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. François Chollet‏Verified account @fchollet Jun 29

      Usual reminder: when I've been saying for the past 5+ years that deep learning is interpolative, I don't mean it does linear interpolation in the original encoding space (which would be useless). It does interpolation on a low-dimensional manifold embedded in the encoding space.

      14 replies 30 retweets 334 likes
      Show this thread
    2. Ethan Caballero‏ @ethancaballero Jun 29
      Replying to @fchollet

      Ethan Caballero Retweeted Joscha Bach

      What's your explanation for the compositional generalization that DALL·E does? E.g. there don't seem to be any baby lemurs in pajamas with calculators in the training data, yet DALL·E generates them perfectly:https://twitter.com/Plinz/status/1347280122202624001 …

      Ethan Caballero added,

      Joscha Bach @Plinz
      Replying to @GaryMarcus
      How many baby lemurs in pajamas with calculators does Google find? pic.twitter.com/iAIOfY87cf
      2 replies 2 retweets 12 likes
    3. François Chollet‏Verified account @fchollet Jun 29
      Replying to @ethancaballero

      That is exactly what manifold interpolation is. E.g. producing a spork by interpolating between a spoon and a fork on a manifold of kitchenware. Interpolation obviously does generalize to items not present in the training set -- DL would be useless otherwise.

      2 replies 1 retweet 17 likes
    4. François Chollet‏Verified account @fchollet Jun 29
      Replying to @fchollet @ethancaballero

      The above is basically a fancy version of the "smile vector" or "sunglasses vector" people were demonstrating in 2016. It's interpolation on a visual manifold that was densely sampled during training. It's actually a fantastic demo of what manifold interpolation means!

      1 reply 0 retweets 10 likes
      François Chollet‏Verified account @fchollet Jun 29
      Replying to @fchollet @ethancaballero

      The easy thing you could do demonstrate manifoldness here is to sample a grid of generated pictures that densely cover the spectrum "character type" X "object held". It would look awesome and I'd love to see it.

      12:29 PM - 29 Jun 2021
      • 12 Likes
      • Partha Mandal Jackson Waschura Sami Mourad Jon Simon Milad Aghajohari Christian Cahig Parth Shastri Egon Ferri
      0 replies 0 retweets 12 likes

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