如何访问(多)一个数据帧索引？
关键帧的使用大大减少了视频索引的数据量，同时也为视频摘要和检索提供了一个组织框架。
Key frame can dramatically reduce the data of the video indexing, and provides a framework for video abstraction and retrieval.
设置播放位置到指定帧数(如果指定索引在最后一帧之后则设置到最后一帧)。
Sets the playback position to the specified frame count or the last frame if the specified index is after the last frame.
参考帧是过去的某个帧，可以从中提取某些像素，以及运动矢量偏移索引。
The reference frame is a past frame from which to grab pixels from and the motion vectors index an offset into that frame.
关键帧的使用大大减少了视频索引的数据量，同时也为视频摘要和检索提供了一个组织框架。
The key frame significantly reduce the use of the video index data, as well as video search and summary provides a framework for the organization.
关键帧的使用减少了视频索引的数据量，同时也为视频和检索提供了一个组织框架。
Key frame can dramatically reduce the data of the video indexing, and provide a framework for video abstraction and retrieval.
关键帧的使用大大减少了视频索引的数据量同时也为视频检索和浏览提供了一个组织框架。
The usage of the key frame not only reduce the data of the video consumedly but also provide an organization frame for video browse, search and retrieval ability.
关键帧的使用大大减少了视频索引的数据量同时也为视频检索和浏览提供了一个组织框架。
The usage of the key frame not only reduce the data of the video consumedly but also provide an organization frame for video browse, search and retrieval ability.
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