R. Landi, L. Petraglia, and G. Petraglia (Italy)
Indexing Techniques, Object-oriented
Databases, Multimedia Database, Virtual Image
In the recent years a productive spur in the design of
image database system has been stimulated by the growing
interest towards the image as a basic component of
information interchange. In previous work we have
introduced the Virtual Image, a iconic index for pictorial
information and a similarity retrieval approach to perform
content based retrieval.
In this paper we show that the virtual image is a class
with the formalism of object relational database approach.
From this point of view we define a DDL for this class
using the SQL-3 approach. Also we characterize the basic
methods based on UDR – DML approach to process the
Image Data Base using the Virtual Image as textual index
based on the spatial and logic operators for filing and
retrieving the images.