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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 5

      Tweetorial: if you have a bunch of text files or image files in subdirectories (one directory per class), you can use the Keras utilities text_dataset_from_directory and image_dataset_from_directory to generate labelled http://tf.data .Dataset objectspic.twitter.com/GpmdtOjkV2

      6 replies 37 retweets 254 likes
      Show this thread
    2. Piotr Żelasko‏ @PiotrZelasko Jun 6
      Replying to @fchollet

      What’s the best starting point if I wanted to build my own TF dataset like that but for audio, not necessarily from a directory but some metadata manifests (eg JSON)? I’d like to add TF data support in Lhotse eventually…https://github.com/lhotse-speech/lhotse …

      1 reply 0 retweets 2 likes
      François Chollet‏Verified account @fchollet Jun 6
      Replying to @PiotrZelasko

      You'd start by listing filenames (in Python) then you'd use TF IO ops to load them and turn them into tensors. You can check out the source code of image_dataset_from_directory to get an idea

      10:30 AM - 6 Jun 2021
      • 1 Like
      • Piotr Żelasko
      1 reply 0 retweets 1 like
        1. Piotr Żelasko‏ @PiotrZelasko Jun 6
          Replying to @fchollet

          Hmm, interesting. So basically it’s created from an iterable of paths and then uses map/zip to load the data and add the labels. I also found this page illuminating, in particular http://tf.py _function looks usefulhttps://www.tensorflow.org/guide/data?hl=en …

          0 replies 0 retweets 0 likes
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