NDLI: Temporal video transcoding for Digital TV broadcasting

Content Provider	IEEE Xplore Digital Library
Author	Garrido-Cantos, R. Martinez, J.L. Cuenca, P. Garrido, A. De Cock, J. Van Leuven, S. Van de Walle, R.
Copyright Year	2012
Description	Author affiliation: Albacete Research Institute of Informatics, University of Castilla-La Mancha, Albacete, Spain (Garrido-Cantos, R.; Martinez, J.L.; Cuenca, P.; Garrido, A.) \|\| Ghent University - IBBT, ELIS Department - Multimedia Lab, Ghent, Belgium (De Cock, J.; Van Leuven, S.; Van de Walle, R.)
Abstract	Mobile Digital TV environments demand flexible video compression like Scalable Video Coding (SVC) because of varying bandwidths and devices. Since existing infrastructures highly rely on H.264/AVC video compression, network providers could adapt the current H.264/AVC encoded video to SVC. This adaptation needs to be done efficiently to reduce processing power and operational cost. This paper proposes two techniques to convert an H.264/AVC bitstream in Main Profile (B-pictures based) without scalability to a scalable bitstream with temporal scalability as part of a framework for low-complexity video adaptation for mobile digital TV. Our approaches are based on accelerating the interprediction, focusing on reducing the coding complexity of mode decision and motion estimation tasks of the encoder stage by using information available after the H.264/AVC decoding stage. The results show that when our techniques are applied, the complexity is reduced by 98% while maintaining coding efficiency.
Starting Page	95
Ending Page	100
File Size	832786
Page Count	6
File Format	PDF
ISBN	9781467329934
e-ISBN	9781467329941
DOI	10.1109/WMNC.2012.6416142
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-19
Publisher Place	Slovakia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Video coding Scalability Motion estimation Video Adaptation Transcoding Mobile communication Data Mining Complexity theory H.264/AVC Scalable Video Coding (SVC) Static VAr compensators Temporal Scalability Mobile Digital TV
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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