Doc Type: Patent Application

Method Of Analyzing Continuous Compressed Video Based Upon A Plurality Of States

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Abstract

<P>PROBLEM TO BE SOLVED: To efficiently analyze a structure of an image intrinsic to a domain. <P>SOLUTION: In the method of analyzing a high-level syntax and structure of continuous compressed video based upon a plurality of states, first of all, a set of hidden Markov models for each of the states is trained with a training video segmented into known states. Next, a set of domain specific features are extracted from a fixed-length sliding window of the continuous compressed video, and a set of maximum likelihoods is determined for each set of the domain specific features from the fixed-length sliding window of the continuous compressed video. Finally, dynamic programming is applied to each set of maximum likelihoods to determine a specific state for each fixed-length sliding window of frames of the compressed video. <P>COPYRIGHT: (C)2004,JPO


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Document History
  • Publication: Feb 5, 2004
  • Application: Dec 5, 2002
    JP 2002353877 A
  • Priority: Dec 5, 2001
    US US 562301 A

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