NDLI: Segment reencoding of buffer constrained variable bit rate video streams

Content Provider	IEEE Xplore Digital Library
Author	Lu, L. Krishna Ratakonda Rajesh Rajagopalan Kouloheris, J. Gonzales, C.
Copyright Year	2000
Description	Author affiliation: IBM Thomas J. Watson Res. Center, Yorktown Heights, NY, USA (Lu, L.)
Abstract	A scheme is presented to reencode segments of buffer constrained video stream. This scheme provides a flexible and effective means to reencode only the part of the stream necessary for quality improvement or bit rate change instead of reencoding the entire stream so that great savings in production cost, storage space, and transmission bandwidth can be achieved. The scheme includes the algorithms for target rate allocation and buffer level adjustment. The rate allocation algorithm incorporates the picture quality measurement to achieve better and smoother video quality. The buffer adjustment algorithm ensures that after the reencoded segment is merged with the other portions of the original stream, the resulting new stream will still conform to all buffer constraints. The scheme has been implemented for a DVD (digital versatile disc) authoring system and the test results have shown that it is very effective and flexible.
Starting Page	267
Ending Page	270
File Size	452414
Page Count	4
File Format	PDF
ISBN	0780365364
DOI	10.1109/ICME.2000.869593
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-07-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bit rate Streaming media Video compression Production DVD Costs Decoding Bandwidth Testing Lifting equipment
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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