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Recent advances in the automatic recognition of audiovisual speech

Pomianos, G., Neti, C., Gravier, G., Garg, A., Senior, A.W.·2003·Proceedings of the IEEE

Abstract

Visual speech information from the speaker's mouth region has been successfully shown to improve noise robustness of automatic speech recognizers, thus promising to extend their usability in the human computer interface. In this paper, we review the main components of audiovisual automatic speech recognition (ASR) and present novel contributions in two main areas: first, the visual front-end design, based on a cascade of linear image transforms of an appropriate video region of interest, and subsequently, audiovisual speech integration. On the latter topic, we discuss new work on feature and decision fusion combination, the modeling of audiovisual speech asynchrony, and incorporating modality reliability estimates to the bimodal recognition process. We also briefly touch upon the issue of audiovisual adaptation. We apply our algorithms to three multisubject bimodal databases, ranging from small- to large-vocabulary recognition tasks, recorded in both visually controlled and challenging environments. Our experiments demonstrate that the visual modality improves ASR over all conditions and data considered, though less so for visually challenging environments and large vocabulary tasks.

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Metadata

Authors
Pomianos, G., Neti, C., Gravier, G., Garg, A., & Senior, A. W.
Venue
Proceedings of the IEEE
Published
2003-09
Volume
91
Issue
9
Pages
1306-1326
ISSN
0018-9219 (ISSN-L)
OpenAlex
W2096391593
Cited by
752
References
6
FWCI
38.74
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Recent advances in the automatic recognition of audiovisual speech. https://app.cochat.ai/papers/10.1109/jproc.2003.817150
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Pomianos, G., Neti, C., Gravier, G., Garg, A., & Senior, A. W. (2003). Recent advances in the automatic recognition of audiovisual speech. Proceedings of the IEEE. https://doi.org/10.1109/jproc.2003.817150

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