Reading questions

If you are unsure about any of these concepts, post a question on the discussion forum!

  • What is sparsity?
  • What is a sparse code?
  • What priors over codes favor sparsity?
  • What is the ISTA algorithm? What does it do?
  • What is Fast ISTA?
  • How can we use sparse coding to extract features?
  • What is self-taught learning?
  • What is the relationship between sparse coding and V1 (real) neurons?