Comparing visual features for lipreading

  title={Comparing visual features for lipreading},
  author={Yuxuan Lan and Richard Harvey and Barry-John Theobald and Eng-Jon Ong and Richard Bowden},
For automatic lipreading, there are many competing methods for feature extraction. Often, because of the complexity of the task these methods are tested on only quite restricted datasets, such as the letters of the alphabet or digits, and from only a few speakers. In this paper we compare some of the leading methods for lip feature extraction and compare them on the GRID dataset which uses a constrained vocabulary over, in this case, 15 speakers. Previously the GRID data has had restricted… CONTINUE READING
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