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2008 Second Asia International Conference on Modelling & Simulation
A Time Warping Speech Recognition System Based on Particle Swarm Optimization
May 13-May 15
ISBN: 978-0-7695-3136-6
In this paper, dynamic programming alignment is replaced by a particle swarm optimization (PSO) procedure in time warping problem. The basic PSO is a very slow process to be applied to speech recognition application. In order to achieve a higher performance, by inspiring of PSO optimization methodology, we introduced a PSO Inspired Algorithm (PTW) that will significantly increase the computational performance of time warping in alignments of long length massive data sets. As a main enhancement, in PTW a pruning strategy with an add-in controlling threshold is defined that causes a considerable reduction in recognition time, while maintaining the system accuracy comparing to DTW.
Index Terms:
Automatic Speech Recognition, Dynamic Time Warping, Particle Swarm optimization
Citation:
Saeed Rategh, Farbod Razzazi, Amir Masoud Rahmani, Shayan Oveis Gharan, "A Time Warping Speech Recognition System Based on Particle Swarm Optimization," ams, pp.585-590, 2008 Second Asia International Conference on Modelling & Simulation, 2008
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