多媒体数据的查询与检索

multimedia data's query and retrieval

采用任何数据模型对数据进行存储、管理,都要解决多媒体数据复杂得多的查询问题。本文从三个方面归纳了多媒体信息的查询检索方法:给予结构化属性(媒体文件的属性、外部特征MPEG7描述)、给予描述媒体信息的自由文本和基于内容(如图像中物体的形状、图像纹理、颜色,视频的关键帧等),并对此做出了详细阐述。

It needs to solve the complicated query problems of the multimedia data using any data model for storage and management. The text summarizes multimedia information query retrieval method from three aspects：giving structured property（the properties of media file, description of MPEG7＇ s external characteristic）, giving free text describing of the media information and content（like the shape of the objects in the image, image texture, color, the key frame of video and so on）, and then make a detailed description of it.