NDLI: Comparison and combination of adaptive query shifting and feature relevance learning for content-based image retrieval

Content Provider	IEEE Xplore Digital Library
Author	Giacinto, G. Roli, F. Fumera, G.
Copyright Year	2001
Description	Author affiliation: Dept. of Electr. & Electron. Eng., Cagliari Univ., Italy (Giacinto, G.)
Abstract	Despite the efforts to reduce the semantic gap between user perception of similarity and feature-based representation of images, user interaction is essential to improve retrieval performance in content-based image retrieval. To this end a number of relevance feedback mechanisms are currently adopted to refine image queries. They are aimed either to locally modify the feature space or to shift the query point towards more promising regions of the feature space. A novel adaptive query shifting mechanism is proposed to improve retrieval performance beyond that provided by other relevance feedback mechanisms. In addition we discuss the extent to which query shifting may provide better performance than feature weighting and provide experimental results on the complementarity of the two approaches. Finally, some combinational approaches are proposed to exploit such complementarities.
Sponsorship	Int. Assoc. Pattern Recognition (IAPR)
Starting Page	422
Ending Page	427
File Size	547869
Page Count	6
File Format	PDF
ISBN	076951183X
DOI	10.1109/ICIAP.2001.957046
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-09-26
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image retrieval Content based retrieval Feedback Information retrieval Image databases Spatial databases Visual databases Availability Art Biomedical imaging
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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