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Journal Articles

Using information gain to improve multi-modal information retrieval systems

Martín-Valdivia, M.T. - Personal Name; Díaz-Galiano, M.C. - Personal Name; Montejo-Raez, A. - Personal Name; Ureña-López, L.A. - Personal Name;

Nowadays, access to information requires managing multimedia databases effectively, and so,
multi-modal retrieval techniques (particularly images retrieval) have become an active research direction.
In the past few years, a lot of content-based image retrieval (CBIR) systems have been developed.
However, despite the progress achieved in the CBIR, the retrieval accuracy of current systems is still limited and often worse than only textual information retrieval systems. In this paper, we propose to combine content-based and text-based approaches to multi-modal retrieval in order to achieve better results and overcome the lacks of these techniques when they are taken separately. For this purpose, we use a medical collection that includes both images and non-structured text. We retrieve images from a CBIR system and textual information through a traditional information retrieval system. Then, we combine the results obtained from both systems in order to improve the final performance. Furthermore, we use the information gain (IG) measure to reduce and improve the textual information included in multi-modal information retrieval systems. We have carried out several experiments that combine this reduction technique with a visual and textual information merger. The results obtained are highly promising and show the profit obtained when textual information is managed to improve conventional multi-modal systems.


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Detail Information
Series Title
Information Processing & Management
Call Number
-
Publisher
s.l. : Elsevier., 2008
Collation
-
Language
English
ISBN/ISSN
0306-4573
Classification
-
Content Type
-
Media Type
-
Carrier Type
-
Edition
Vol. 44, No. 3, Page 1146-1158
Subject(s)
Multi-modal information retrieval
Information gain
Data fusion
Medical database access
Specific Detail Info
-
Statement of Responsibility
-
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Kemitraan Library
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Established in 2003, the Library of Kemitraan was originally designed to record and collect all Kemitraan and grantees publications. However, today it broadly develops and serves more sectors to expand the collection to facilitate research activities, particularly since the inception of the Knowledge and Research Management within Kemitraan.

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