NDLI: Motion parameter estimation based on the block recursive algorithm with finite word length

Content Provider	IEEE Xplore Digital Library
Author	Pei-Chuan Liu Wen-Thong Chang Wen-Zen Shen
Copyright Year	1975
Abstract	A three parameter motion model can better describe the motion trajectory of the picture element in a video sequence. Combining the features of the block process and recursive estimation, a block recursive algorithm is proposed to calculate these three motion parameters with compensation for the variety of block positions to get a better stability. To simplify the hardware implementation requirements, the representation accuracy of the displaced frame difference and gradient that are given is analyzed. From this analysis we propose a quantized block recursive algorithm with quantized gradient to reduce the computational complexity. With this simplification the quantized motion estimation algorithm has a sufficient computational speed to meet the requirement of real time application with the least accuracy loss.
Sponsorship	IEEE Consumer Electronics Society
Starting Page	1124
Ending Page	1131
Page Count	8
File Size	978225
File Format	PDF
ISSN	00983063
Volume Number	43
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Parameter estimation Signal processing algorithms Iterative algorithms Stability Motion estimation Convergence Video coding Cameras Image sequences Motion compensation
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Media Technology

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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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