The Research of the Data Model for Vision Information Management System
视觉信息管理的数据模型研究

In order to explain the construction of the multimedia information system, this paper demonstrates and analyses the fundamental data model of time based media, hypermedia document, video information and composite multimedia object. Furthermore, the logic representation method of the vision data which is used to implement content based retrieval and feature identification is exposed. And then some opinions about current focuses of graphic's database study and future development are put forward in the paper.