Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/23984
Title: The impact of speech recognition errors on the effectiveness of spoken cantonese query retrieval
Authors: Choi, TK
Zhu, XM
Luk, RWP
Chung, FL 
Mak, MW 
Lam, KM 
Siu, WC 
Issue Date: 2004
Source: 2004 International Symposium on Intelligent Multimedia, Video and Speech Processing, ISIMP 2004, 2004, p. 210-213 How to cite?
Abstract: This paper examines the impact of recognition errors on spoken Cantonese query retrieval effectiveness. One of the largest test collection provided by NTCIR for evaluating Chinese information retrieval is used. The retrieval system uses one of the best models (2-Poisson) and the robust bigram indexing strategy. If there are no syllable recognition errors, then the errors in converting spelling (called pinyin) to characters will degrade the performance by 3.9% points which is not statistically significant. Otherwise, the performance dropped by 10.2% points which is statistically significant. We improved our system by merging the /n/ and /I/ phone labels and retrained the syllable-to-text conversion routines. The improved retrieval system dropped only 6.4% points.
Description: 2004 International Symposium on Intelligent Multimedia, Video and Speech Processing, ISIMP 2004, Hong Kong, China, 20-22 October 2004
URI: http://hdl.handle.net/10397/23984
ISBN: 0780386884
9780780386884
DOI: 10.1109/ISIMP.2004.1434037
Appears in Collections:Conference Paper

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