Medical image database is the important and effective means of medical image data retrieval and analysis in clinical diagnosis, education and research.

医学影像数据库及信息系统是医学影像数据有效检索与分析的重要手段，是医学临床、教育与研究的基础。

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The system combines various technologies including multimedia, media storage, data organization, data model and image retrieval technology.

该系统综合运用了多媒体、媒体存储、数据组织和表示方法、图像检索技术等。

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Because of the "semantic gap" which is often encountered in the image data, traditional CBIR technology cant deal with the problem of image retrieval in digital libraries sometimes.

由于图像数据中普遍存在的“语义鸿沟”问题，传统的基于内容的图像检索技术对于数字图书馆中的图像检索往往力不从心。

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