Title :
Chinese all syllables recognition using combination of multiple classifiers
Author :
Zhou, Liang ; Imai, Satoshi
Author_Institution :
Precision & Intelligence Lab., Tokyo Inst. of Technol., Yokohama, Japan
Abstract :
Chinese all syllables recognition is described. Chinese all syllables recognition is divided into base syllable recognition disregarding the tones and 4 tones recognition. For base syllable recognition, we used a combination of two multisegment vector quantization (MSVQ) classifiers based on different features (instantaneous and transitional features of speech). For the tones recognition, the vector quantization (VQ) classifier is first used, and is comparable to a multilayer perceptron (MLP) classifier. Next, a combination of a distortion based classifier (VQ) and a discriminant based classifier (MLP) is proposed. An evaluation has been carried out using the standard Chinese syllable database CRDB, and experimental results have shown that the combined classifiers can improve the recognition performance. The recognition accuracy for base syllable and tones is 96.48% and 99.82% respectively
Keywords :
feature extraction; multilayer perceptrons; pattern classification; speech processing; speech recognition; vector quantisation; Chinese all syllables recognition; base syllable recognition; discriminant based classifier; distortion based classifier; experimental results; instantaneous features; multilayer perceptron classifier; multiple classifiers; multisegment vector quantization classifiers; recognition accuracy; recognition performance; speech features; syllable database; tones recognition; transitional features; Feature extraction; Frequency; Hidden Markov models; Laboratories; Nonhomogeneous media; Pattern recognition; Robustness; Spatial databases; Speech recognition; Vocabulary;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 1996. ICASSP-96. Conference Proceedings., 1996 IEEE International Conference on
Conference_Location :
Atlanta, GA
Print_ISBN :
0-7803-3192-3
DOI :
10.1109/ICASSP.1996.550781