forward-backward algorithm

名词 n.

英文释义

名词 n.
  1. An inference algorithm for hidden Markov models which computes the posterior marginals of all hidden state variables given a sequence of observations/emissions. It uses dynamic programming to compute the values in two passes, the first going forward in time and the second backward.
  2. Any algorithm belonging to the general class that operate on sequence models in a forward-backward manner.

词形变化

forward-backward algorithms plural
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