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Towards Automated Large Vocabulary Gesture Search Alexandra Stefan, Haijing Wang, and Vassilis Athitsos
 

Summary: Towards Automated Large Vocabulary Gesture Search
Alexandra Stefan, Haijing Wang, and Vassilis Athitsos
Computer Science and Engineering Department
University of Texas at Arlington, USA
ABSTRACT
This paper describes work towards designing a computer vision
system for helping users look up the meaning of a sign. Sign
lookup is treated as a video database retrieval problem. A video
database is utilized that contains one or more video examples for
each sign, for a large number of signs (close to 1000 in our current
experiments). The emphasis of this paper is on evaluating the trade­
offs between a non­automated approach, where the user manually
specifies hand locations in the input video, and a fully automated
approach, where hand locations are determined using a computer
vision module, thus introducing inaccuracies into the sign retrieval
process. We experimentally evaluate both approaches and present
their respective advantages and disadvantages.
Categories and Subject Descriptors
H.3.1 [Content Analysis and Indexing]: Indexing methods; H.2.8
[Database Applications]: Data Mining; H.2.4 [Systems]: Multi­

  

Source: Athitsos, Vassilis - Department of Computer Science and Engineering, University of Texas at Arlington

 

Collections: Computer Technologies and Information Sciences