NDLI: Object-Sensitive Query Analysis for Video Search

Content Provider	IEEE Xplore Digital Library
Author	Jingjing Liu Xian-Sheng Hua Shipeng Li
Copyright Year	2007
Description	Author affiliation: Nankai Univ., Tianjin (Jingjing Liu)
Abstract	This paper is concerned with the problem of improving the performance of text search baseline in video retrieval, specifically for the search tasks in TRECVID. Given a query in plain text, we first implement syntactic segmentation and semantic expansion of the query, then identify the underlying "targeted objects" which should appear in the retrieved video shots, and scale up the weights of the video shots retrieved by the query terms that represent these targeted objects. We name the approaches as "object-sensitive query analysis" for video search. Specifically, we propose a set of methods to identify the specific terms representing the "targeted objects" in a video search query, and a modified object-centric BM25 algorithm to emphasize the impact of these specific object-terms. In practice, we place the process of object-sensitive query analysis before the text search stage, and verify the effectiveness of the proposed approaches with the TRECVID 2005 and 2006 datasets. The experimental results indicate that the proposed object-sensitive approaches to query analysis bring significant improvement upon the raw text search baseline of video search.
Starting Page	361
Ending Page	364
File Size	2733597
Page Count	4
File Format	PDF
ISBN	9781424412747
DOI	10.1109/MMSP.2007.4412891
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-01
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Videoconference Asia Information retrieval Content based retrieval Performance analysis Computer science Information analysis Speech Algorithm design and analysis Video recording BM25 algorithm video search query analysis object-sensitive
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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