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INTERSPEECH 2009
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To date, the use of Conditional Random Fields (CRFs) in automatic speech recognition has been limited to the tasks of phone classification and phone recognition. In this paper, we present a framework for using CRF models in a word recognition task that extends the well-known Tandem HMM framework to CRFs. We show results that compare favorably to a set of standard baselines, and discuss some of the benefits and potential pitfalls of this method.
Bibliographic reference. Morris, Jeremy / Fosler-Lussier, Eric (2009): "CRANDEM: conditional random fields for word recognition", In INTERSPEECH-2009, 3063-3066.