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    • 10. 发明授权
    • Imagine information describing method, video retrieval method, video reproducing method, and video reproducing apparatus
    • 想象信息描述方法,视频检索方法,视频再现方法和视频再现装置
    • US06912327B1
    • 2005-06-28
    • US09493012
    • 2000-01-28
    • Osamu HoriToshimitsu KanekoTakeshi MitaKoji Yamamoto
    • Osamu HoriToshimitsu KanekoTakeshi MitaKoji Yamamoto
    • G06F17/30G06K9/54
    • G06F17/30843G06F17/30817G06F17/30852Y10S707/99945Y10S707/99948
    • 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.
    • 原始视频数据的视频帧以任意时间间隔和大小进行采样,并获得缩略图帧。 作为关于这些帧的缩略图信息,描述了对应于每个缩略图帧的原始视频帧的帧号和每个缩略图帧的大小的信息。 此外,将原始视频帧或帧内帧改变值信息的场景变化信息一起作为附加信息进行描述,并获得时间/空间缩略图元数据。 元数据与原始视频数据相关联,构建数据库。 然后,使用元数据,从而执行原始视频数据的典型帧显示或可变速再现。 以这种方式,即使具有低CPU能力的设备,对MPEG-2等压缩和编码视频数据执行典型的帧显示或可变速再现,并检查视频的内容,并且容易进行检索。