An isolated word speech recognition system based on audiovisual features is proposed in this paper. To enhance the recognition over different noisy conditions, this system combines three classifiers based on audio, visual and audio-visual information, respectively. The performance of the proposed recognition system is evaluated over two isolated word audio-visual databases, a public one and a database compiled by the authors of this paper. Experimental results show that the structure of the proposed system leads to significant improvements of the recognition rates through a wide range of signal-to-noise ratios.
CITATION STYLE
Terissi, L. D., Sad, G. D., Gómez, J. C., & Parodi, M. (2015). Noisy speech recognition based on combined audio-visual classifiers. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 8869, pp. 43–53). Springer Verlag. https://doi.org/10.1007/978-3-319-14899-1_5
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