Some observations on computer lip-reading: moving from the dream to the reality

Article

Bear, Y., Owen, Gari, Harvey, Richard and Theobald, Barry-John 2014. Some observations on computer lip-reading: moving from the dream to the reality. Proceedings of SPIE. 9253. https://doi.org/10.1117/12.2067464
AuthorsBear, Y., Owen, Gari, Harvey, Richard and Theobald, Barry-John
Abstract

In the quest for greater computer lip-reading performance there are a number of tacit assumptions which are either present in the datasets (high resolution for example) or in the methods (recognition of spoken visual units called "visemes" for example). Here we review these and other assumptions and show the surprising result that computer lip-reading is not heavily constrained by video resolution, pose, lighting and other practical factors. However, the working assumption that visemes, which are the visual equivalent of phonemes, are the best unit for recognition does need further examination. We conclude that visemes, which were defined over a century ago, are unlikely to be optimal for a modern computer lip-reading system. © (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.

KeywordsLip-reading; speech recognition; pattern recognition
JournalProceedings of SPIE
Journal citation9253
ISSN0277-786X
1996-756X
Year2014
PublisherSPIE (Society of Photo-optical Instrumentation Engineers)
Accepted author manuscript
License
CC BY-NC-ND
Digital Object Identifier (DOI)https://doi.org/10.1117/12.2067464
Web address (URL)http://proceedings.spiedigitallibrary.org/volume.aspx?conferenceid=3393&volumeid=16739
Publication dates
Print07 Oct 2014
Publication process dates
Deposited28 Feb 2017
Copyright information© SPIE. Proc. SPIE 9253, Optics and Photonics for Counterterrorism, Crime Fighting, and Defence X; and Optical Materials and Biomaterials in Security and Defence Systems Technology XI, 92530G (October 7, 2014)
Place of publicationUnited States of America
ISBN9781628413168
Book titleVolume 9253 Optics and Photonics for Counterterrorism, Crime Fighting, and Defence X; and Optical Materials and Biomaterials in Security and Defence Systems Technology XI
EditorsBurges, Douglas, Owen, Gari, Rana, Harbinder, Zamboni, Roberto, Kajzar, François and Szep, Attila A.
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