Patent ID: 7298930
Filing Date: 2007-11-20
Classification: G06K,G11B,Y10S

Abstract:
1. A method for retrieving content comprising multimedia information, the method comprising: receiving a request to retrieve a portion of said multimedia information; in response to said request, producing a first portion of said multimedia information and presenting said first portion of said multimedia information; producing a term-frequency inverse document frequency (TF-IDF) score for each word in a plurality words contained in a transcript of said multimedia information; producing a plurality of keywords by taking words from said plurality of words based on said TF-IDF scores; and for each keyword, producing a document occurrence score for a plurality of segments of said transcript and associating a segment having a highest document occurrence score with said each keyword, said segments corresponding to portions of said multimedia information, wherein producing said first portion includes incorporating portions of said multimedia information corresponding to one or more of said segments of said transcript, said producing a first portion of said multimedia information comprising: selecting a frame of video from a plurality of video frames, said selecting based on a visual significance score, said visual significance score indicating a responsiveness of said selected frame to said request; selecting a segment of audio of said multimedia information, said selecting based on an audio significance score, said audio significance score indicating a responsiveness of said selected segment of audio to said request, said segment of audio having a corresponding video clip; generating a video skim from said selected frame of video and said video clip; and displaying said generated video skim.