NDLI: Audio-visual speech recognition in a Portuguese language based application

Content Provider	IEEE Xplore Digital Library
Author	Pera, V. Sa, F. Afonso, P. Ferreira, R.
Copyright Year	2003
Description	Author affiliation: Fac. of Eng., Porto Univ., Portugal (Pera, V.; Sa, F.; Afonso, P.; Ferreira, R.)
Abstract	We present in this article experimental results obtained with an automatic speech recogniser developed for a speaker dependent and continuous speech alphanumeric recognition application based on the European Portuguese language. An audio-visual speech recognition approach was followed to design and build this system. Besides the well known complementary between the acoustic and the visual information for speech recognition purposes, the visual features are obviously immune to any acoustic disturbance, thus making the system more robust in acoustically contaminated environments. The results presented clearly show that the inclusion of a video stream, using a multi-stream decoding formalism, decreases the word error rate in approximately 56%/sub rel/ over a wide range of acoustical signal-noise ratio.
Sponsorship	IEEE Industrial Electronics Soc. Univ. of Maribor
Starting Page	688
Ending Page	692
File Size	373855
Page Count	5
File Format	PDF
ISBN	0780378520
DOI	10.1109/ICIT.2003.1290738
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-12-10
Publisher Place	Slovenia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Speech recognition Natural languages Automatic speech recognition Robustness Visual databases Audio databases Streaming media Decoding Particle separators Video compression
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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