Specialized software and hardware tools are needed to work on digital color images; the usability of an image system implies the availability of such resources inside a coherent environment and a friendly user interface. Furthermore, a large volume of data must be efficiently stored and retrieved. To cope with these problems, the prototype of an image database system, named IDB, has been developed to manage image data in an integrated way. The important features of the system are distributed functions, a multi-user environment, interactivity, and modularity.
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