Baum Welch algorithm


Definition: An algorithm to find hidden Markov model parameters A, B, and Π with the maximum likelihood of generating the given symbol sequence in the observation vector.

Aggregate child (... is a part of or used in me.)
hidden Markov model.

See also Viterbi algorithm.

Note: Contributed by Arvind <> May 2002.

Author: PEB

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Entry modified 3 September 2019.
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Cite this as:
Paul E. Black, "Baum Welch algorithm", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed. 3 September 2019. (accessed TODAY) Available from: