基于文本信息实现数字视频信息的检索，既符合一般用户的检索习惯，又可借助日趋成熟的文本检索技术。
Text-based digital video retrieval is not only in conformity with the user's retrieval habit, but also can make use of the ever-maturing text retrieval technology.
目前现有的视频检索方法主要有基于文本信息的检索方法，基于帧的视频检索方法，以及基于内容的检索方法。
There are three methods which are widely used recently in video retrieval:method based on text, on frame, and on video object.
目前现有的视频检索方法主要有基于文本信息的检索方法，基于帧的视频检索方法，以及基于内容的检索方法。
There are three methods which are widely used recently in video retrieval:method based on text, on frame, and on video object.
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