NDLI: A novel fast inter mode decision in H.264/AVC based on a regionalized hypothesis testing

Content Provider	IEEE Xplore Digital Library
Author	Martinez-Enriquez, E. Jimenez-Moreno, A. Diaz-de-Maria, F.
Copyright Year	2009
Description	Author affiliation: Department of Signal Theory and Communications, Universidad Carlos III, Leganés (Madrid), Spain (Martinez-Enriquez, E.; Jimenez-Moreno, A.; Diaz-de-Maria, F.)
Abstract	The H.264/AVC standard achieves a high coding efficiency compared to previous standards, but in exchange for a very high computational cost. This paper focuses on the mode decision subsystem, which is a critical one from the computational cost point of view. In particular, a hierarchical early-termination-based approach to the inter mode decision problem is proposed, in such a way that a cascade of early stops are considered, going from the most likely modes to the less likely ones. The main novelty of the proposed algorithm relies on the use of a regionalized hypothesis testing methodology for making the decisions on every potential early stop. The proposed method has been assessed on a large set of QCIF video sequences for several qualities, achieving a quite notable improvement in terms of total encoding time reduction in relation to a well-established mode decision method [1]. Specifically, the time reduction is 43.43 % and 21.33 % for IPPP and IBBP patterns, respectively, without any significant quality loss.
Starting Page	1
Ending Page	4
File Size	143557
Page Count	4
File Format	PDF
ISBN	9781424445936
DOI	10.1109/PCS.2009.5167445
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Video coding low complexity Motion estimation ISO standards video coding H.264/AVC Lagrangian functions Communication standards IEC standards Cost function Automatic voltage control Computational efficiency mode decision Testing
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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