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Optimization of HMM Parameters Based on Chaos and Genetic Algorithm for Hand Gesture Recognition 被引量:3

Optimization of HMM Parameters Based on Chaos and Genetic Algorithm for Hand Gesture Recognition
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摘要 In order to prevent standard genetic algorithm (SGA) from being premature, chaos is introduced into GA, thus forming chaotic anneal genetic algorithm (CAGA). Chaos ergodicity is used to initialize the population, and chaotic anneal mutation operator is used as the substitute for the mutation operator in SGA. CAGA is a unified framework of the existing chaotic mutation methods. To validate the proposed algorithm, three algorithms, i. e. Baum-Welch, SGA and CAGA, are compared on training hidden Markov model (HMM) to recognize the hand gestures. Experiments on twenty-six alphabetical gestures show the CAGA validity. In order to prevent standard genetic algorithm (SGA) from being premature, chaos is introduced into GA, thus forming chaotic anneal genetic algorithm (CAGA). Chaos ergodicity is used to initialize the population, and chaotic anneal mutation operator is used as the substitute for the mutation operator in SGA. CAGA is a unified framework of the existing chaotic mutation methods. To validate the proposed algorithm, three algorithms, i. e. Baum-Welch, SGA and CAGA, are compared on training hidden Markov model (HMM) to recognize the hand gestures. Experiments on twenty-six alphabetical gestures show the CAGA validity.
出处 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2002年第4期79-84,共6页 系统工程与电子技术(英文版)
关键词 Chaos theory EXPERIMENTS Genetic algorithms OPTIMIZATION Chaos theory Experiments Genetic algorithms Optimization
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