NDLI: Exploiting visual reranking to improve pseudo-relevance feedback for spoken-content-based video retrieval

Content Provider	IEEE Xplore Digital Library
Author	Rudinac, S. Larson, M. Hanjalic, A.
Copyright Year	2009
Description	Author affiliation: Delft University of Technology, The Netherlands (Rudinac, S.; Larson, M.; Hanjalic, A.)
Abstract	In this paper we propose an approach that utilizes visual features and conventional text-based pseudo-relevance feedback (PRF) to improve the results of semantic-theme-based video retrieval. Our visual reranking method is based on an Average Item Distance (AID) score. AID-based visual reranking is designed to improve the suitability of items at the top of the initial results list, i.e., those feedback items selected for use in query expansion. Our method is intended to help target feedback items representative of visual regularity typifying the semantic theme of the query. Experiments performed on the VideoCLEF 2008 data set and on a number of retrieval scenarios combining the inputs from speech-transcript-based (i.e., text-based) search and visual reranking demonstrate the benefits of using AID-based visual representatives to compensate for the inherent problems of PRF, such as topic drift.
Starting Page	17
Ending Page	20
File Size	477354
Page Count	4
File Format	PDF
ISBN	9781424436095
e-ISBN	9781424436101
DOI	10.1109/WIAMIS.2009.5031421
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-06
Publisher Place	United Kingdom
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Content based retrieval Search methods Feedback Noise reduction Psychology Speech recognition Information retrieval Data mining Engines
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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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