Title :
Improved Covariance Modeling For Maximum Likelihood Multiple Subspace Transformations
Author :
Zhou, Xi ; Tian, Ye ; Zhou, Jian-lai ; Dai, Bei-qian
Author_Institution :
Dept. of Electron. Sci. & Technol., Univ. of Sci. & Technol. of China, Hefei, China
fDate :
March 18-23, 2005
Keywords :
Gaussian distribution; correlation methods; covariance matrices; maximum likelihood estimation; speech recognition; Gaussian component classification; STC; covariance matrix; covariance modeling; hierarchical correlation compensation; maximum likelihood multiple subspace transformations; mixture of inverse covariance; multiple HLDA; multiple heteroscedastic linear discriminant analysis; semi-tied covariance; set linear transformation; speech recognition; word error rate reduction; Asia; Covariance matrix; Error analysis; Karhunen-Loeve transforms; Linear discriminant analysis; Maximum likelihood estimation; Microwave integrated circuits; Spatial databases; Speech recognition; Unsolicited electronic mail;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2005. Proceedings. (ICASSP '05). IEEE International Conference on
Print_ISBN :
0-7803-8874-7
DOI :
10.1109/ICASSP.2005.1415211
