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One Training Step: Gradients for the Decoder Weights, a Learning Rate and the Loss Before and After

Lesson 3 of 818 minLab

This lesson is part of the course

In this lesson

You take one gradient-descent step on the decoder weights for one toy image and show that the reconstruction loss really drops.

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Lessons in this course

  1. The Compression Idea: 2 × 2 Toy Images, an Encoder and a Two-Value BottleneckLab15 minFree
  2. Decoding and Reconstruction Error: Sigmoid Outputs and Squared ErrorsLab16 min Locked
  3. One Training Step: Gradients for the Decoder Weights, a Learning Rate and the Loss Before and AfterLab18 min Locked
  4. Anomaly Scores: Reconstruction Errors, a Percentile Threshold, Precision and RecallLab18 min Locked
  5. Latent Space: Codes on a Chart, Interpolating Between Images and DenoisingLab18 min Locked
  6. Variational Autoencoders: Mean and Log-Variance, Sampling with Given ε, the KL Term and βLab18 min Locked
  7. GANs – the Two Players: Discriminator Scores, Discriminator Loss and Generator LossLab18 min Locked
  8. Capstone – Reading a Training Run: the Balance Point, Spread, Occupied Bins and Mode CollapseLab20 min Locked