NDLI: Constrained utility maximization for generating visual skims

Content Provider	IEEE Xplore Digital Library
Author	Sundaram, H. Shih-Fu Chang
Copyright Year	2001
Description	Author affiliation: Dept. of Electr. Eng., Columbia Univ., New York, NY, USA (Sundaram, H.)
Abstract	We present a novel algorithm to generate visual skims that do not contain audio, from computable scenes. Visual skims are useful for browsing digital libraries, and for on-demand summaries in set-top boxes. A computable scene is a chunk of data that exhibits consistencies with respect to chromaticity, lighting and sound. First, we define the visual complexity of a shot to be its Kolmogorov complexity. Then, we conduct experiments that help us map the complexity of a shot into the minimum time required for its comprehension. Second, we analyze the grammar of the film language, since it makes the shot sequence meaningful. We achieve a target skim time by minimizing a sequence utility function. It is subject to shot duration constraints, and penalty functions based on sequence rhythm and information loss. This helps us determine individual shot durations as well as the shots to drop. Our user studies show good results on skims with compression rates up to 80%.
Sponsorship	IEEE Comput. Soc. Tech. Committee on Pattern Anal. & Machines Intelligence
Starting Page	124
Ending Page	131
File Size	842204
Page Count	8
File Format	PDF
ISBN	0769513549
DOI	10.1109/IVL.2001.990866
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-12-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Layout Video on demand Face detection Rhythm Video compression Software libraries Image coding TV Streaming media Motion detection
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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