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On the use of indexing metadata to improve the efficiency of video compression

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2 Author(s)
Hidalgo, J.R. ; Univ. Politecnica de Catalunya, Barcelona, Spain ; Salembier, P.

For the last few years, video indexing and video compression have been considered as two separate functionalities. However, multimedia content is growing at such a rate that multimedia services will need to consider both the compression and the indexing aspects of the content in order to efficiently manage this audio-video content. Therefore, it is interesting to study the synergy between the representations of compression and indexing and in particular to find new schemas that allow the possibility to exploit indexing/compression information in order to increase the efficiency of video compression/indexing capabilities. The principal contribution of this paper is to study and develop new techniques where the compression efficiency of video codecs can be improved by the use of indexing metadata where indexing metadata refers to information that has been generated to support indexing capabilities.

Published in:

Circuits and Systems for Video Technology, IEEE Transactions on  (Volume:16 ,  Issue: 3 )