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Word Recognition and Learning based on Associative Memories and Hidden Markov Models

By Zöhre Kara Kayikci and Günther Palm

Abstract

Abstract—A word recognition architecture based on a network of neural associative memories and hidden Markov models has been developed. The input stream, composed of subword-units like wordinternal triphones consisting of diphones and triphones, is provided to the network of neural associative memories by hidden Markov models. The word recognition network derives words from this input stream. The architecture has the ability to handle ambiguities on subword-unit level and is also able to add new words to the vocabulary during performance. The architecture is implemented to perform the word recognition task in a language processing system for understanding simple command sentences like “bot show apple”. Keywords—Hebbian learning, hidden Markov models, neural associative memories, word recognition

Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.192.9364
Provided by: CiteSeerX
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