Notes on VQ

• Works well in some applications.

  • Requires training

• Has some interesting algorithms.

  • Codebook design
  • Nearest neighbor search

• Variable length codes for VQ.

  • PTSVQ - pruned tree structured VQ (Chou, Lookabaugh and Gray, 1989)
  • ECVQ - entropy constrained VQ (Chou, Lookabaugh and Gray, 1989)

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