NDLI: Complexity scalable motion estimation based on modes preselection in H.264

Content Provider	IEEE Xplore Digital Library
Author	Dongming Zhang Chao Huang Shouxun Lin Yanfei Shen Lejun Yu
Copyright Year	2004
Description	Author affiliation: Inst. of Comput. Technol., Chinese Acad. of Sci., Beijing, China (Dongming Zhang; Chao Huang; Shouxun Lin; Yanfei Shen; Lejun Yu)
Abstract	H.264 allows tree-structured partitioning motion estimation performing on multiple reference frames. This new feature improves the prediction accuracy of inter-coding blocks significantly, but it is extremely computational intensive. The complexity of motion estimation increases linearly with the number of used reference frames and is in proportion to the number of modes. This disables some applications on computations-constrained platform. Complexity scalable algorithm is an algorithm that has several computation scales, each of which adapts to certain computation power platform. In this paper, we propose a complexity scalable algorithm for motion estimation in H.264 based on mode preselection in multiple reference frames. This proposed algorithm has 4 computation scales consisting of 72%, 47%, 33% and 20%. Simulation results show that this algorithm can effectively reduce complexity of motion estimation with gracefully degraded quality from the original.
Starting Page	1183
Ending Page	1186
File Size	716705
Page Count	4
File Format	PDF
ISBN	0780384067
DOI	10.1109/ICOSP.2004.1441535
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-08-31
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Motion estimation Encoding Degradation Chaos Accuracy Computer applications Video coding Motion compensation Transform coding Computational efficiency
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
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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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