Definition: An algorithm to compute the optimal (most likely) state sequence in a hidden Markov model given a sequence of observed outputs.
Aggregate child (... is a part of or used in me.)
hidden Markov model.
See also Baum Welch algorithm.
Note: Also used to decode, i.e. remove noise from, linear error-correcting codes.
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Entry modified 6 July 2004.
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Cite this as:
Paul E. Black, "Viterbi algorithm", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed., U.S. National Institute of Standards and Technology. 6 July 2004. (accessed TODAY) Available from: http://www.nist.gov/dads/HTML/viterbiAlgorithm.html