Image analysis – Image transformation or preprocessing – Image storage or retrieval
Reexamination Certificate
2007-02-06
2007-02-06
Wu, Jingge (Department: 2624)
Image analysis
Image transformation or preprocessing
Image storage or retrieval
C358S403000, C707S793000, C348S231200, C715S716000, C725S037000
Reexamination Certificate
active
10963582
ABSTRACT:
Video frames of original video data are sampled with arbitrary time interval and size, and thumbnail frames are obtained. As thumbnail information concerning these frames, information on frame number of the original video frame corresponding each of the thumbnail frames and size of each thumbnail frame are described. Further, scene change information on the original video frames or intra-frame frame change value information are described altogether as additional information, and temporal/spatial thumbnail meta-data is obtained. The meta-data is associated with original video data, and a database is constructed. Then, the meta-data is employed, thereby performing typical frame display of original video data or variable speed reproduction. In this manner, even with a device with its low CPU capability, typical frame display or variable speed reproduction is performed for compressed and encoded video data such as MPEG-2, and the contents of video is checked, and retrieval is easily performed.
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Hori Osamu
Kaneko Toshimitsu
Mita Takeshi
Yamamoto Koji
Carter Aaron
Kabushiki Kaisha Toshiba
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