NDLI: Rate-distortion evaluation for two-layer coding systems

Content Provider	IEEE Xplore Digital Library
Author	Hanhart, P. Ebrahimi, T.
Copyright Year	2015
Description	Author affiliation: Multimedia Signal Process. Group, EPFL, Lausanne, Switzerland (Hanhart, P.; Ebrahimi, T.)
Abstract	The Bjøntegaard model is widely used to calculate the compression efficiency between different codecs. However, this model is not sufficient to investigate the impact on quality of the interaction of the base and enhancement layer bit rates when comparing two-layer coding systems. Therefore, in this paper, we propose an extension of the Bjøntegaard model from rate-distortion (R-D) curve fitting to rate-rate-distortion $(R^{2}-D)$ surface fitting. The proposed model uses a cubic surface as fitting function and a more complex characterization of the domain formed by the data points to compute a more realistic estimate of compression efficiency. The proposed model can be used to measure the compression efficiency of two-layer coding systems, as well as for other applications, e.g., to optimize the bit rate allocation between texture and depth in 3D video coding. Two examples of assessment of compression efficiency in JPEG XT are presented as illustrations.
Starting Page	2884
Ending Page	2889
File Size	1088058
Page Count	6
File Format	PDF
e-ISBN	9781479983391
DOI	10.1109/ICIP.2015.7351330
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-09-27
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bit rate Encoding Computational modeling Image coding Transform coding Rate-distortion Mathematical model BD-PSNR Two-layer coding compression efficiency coding efficiency rate-distortion optimization bit rate allocation PSNR Bj⊘ntegaard delta
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
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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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