Data processing: database and file management or data structures – Database design – Data structure types
Patent
1997-12-02
2000-09-12
Black, Thomas G.
Data processing: database and file management or data structures
Database design
Data structure types
707104, G06F 900
Patent
active
06119123&
ABSTRACT:
A method and apparatus for forming a visual index of scenes in a video image which has been or is being recorded in a computer readable memory. A selected number of keyframes are derived from the recorded image, each being representative of a respective scene therein. The keyframes are then ordered into a selected number of levels of detail of the scenes represented thereby, each level including a predetermined number of keyframes, each subsequent level including keyframes of greater detail than those in a preceding level. A header file is then formed which is descriptive of the ordered set of keyframes, and the header file is stored together with the ordered set of keyframes in the computer readable memory. A user can thereby identify and obtain optimized retrieval in accordance with his preferences of particular segments of the video image from a relatively slow memory device. The method and apparatus are equally applicable to formation of an indexed order of binary large objects ("blobs") in a set of multimedia documents in accordance with a user's preferences.
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Dimitrova Nevenka
Elenbaas Jan Hermanus
Black Thomas G.
Eason Leroy
Mills John G.
U.S. Philips Corporation
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