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Bay Area Vision Meeting: Unsupervised Feature Learning and Deep Learning

Google TechTalks · talk · Watch on YouTube

Machine learning & deep learningComputer vision, speech & NLP

What it is

Andrew Ng presents unsupervised feature learning and deep learning, showing how algorithms can learn representations from unlabeled data instead of hand-designed features. He gives examples in vision and audio, including visualizations of features learned by successive layers.

Why Hacker News recommends it

HN commenters recommended it for years as a simple, exciting overview of the deep learning wave.

  • 9 people recommended it
  • 7 different months
  • 6 strong recommendations
  • first 2011, last 2013

What HN commenters said

  1. “Here's a great talk by Andrew Ng of Stanford”

    Conveys the excitement and potential of unsupervised feature learning.

    apu, 2011-05 · Strong recommendation · in “Neural Networks making a come-back?”

  2. “he explains very simply how all this works for images and some examples about the audio case.”

    Simple 40 minute explanation of deep learning for images and audio.

    brutuscat, 2012-06 · Strong recommendation · in “Microsoft Research make breakthrough in audio speech recognition”

  3. “Check out this (awesome) talk”

    Unsupervised feature learning outperforms hand-programmed models.

    kevin1024, 2012-06 · Strong recommendation · in “Google & Stanford create a digital brain that learns to identify a human face”

  4. “Here is a similar awesome by Andrew Ng”

    FrojoS, 2012-08 · Strong recommendation · in “Brains, Sex and Machine Learning (Geoffrey Hinton at Google Tech Talks)”

  5. “the one overview I've found the most useful is”

    Most useful overview of unsupervised feature learning.

    pilooch, 2012-11 · Strong recommendation · in “Scientists See Promise in Deep-Learning Programs”

  6. “Andrew Ng has a fantastic example of visualizing deep belief nets”

    Visualizes hierarchy of features learned by successive deep net layers.

    michael_nielsen, 2013-04 · Strong recommendation · in “Neural Network Visualisation in Clojure”

  7. “Here is a more in-depth presentation he gave on the same subject at a Google Tech Talk”

    More in-depth presentation by Andrew Ng on the same subject.

    colincsl, 2011-06 · Recommendation · in “Andrew Ng: Machine Learning in Robotics”

  8. “Here's a video talking about current research into this at Stanford”

    Current Stanford research on automatic feature learning.

    dave_sullivan, 2011-11 · Recommendation · in “Stanford computer diagnoses breast cancer more accurately than human doctor”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: deep learning, andrew ng, neural networks, feature learning, computer vision

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