NDLI: A fast multi-reference frame motion estimation algorithm

Content Provider	IEEE Xplore Digital Library
Author	Juwon Byun Jinha Choi Jaeseok Kim
Copyright Year	1975
Abstract	This paper proposes a new fast multi-reference frame motion estimation algorithm for efficient hardware implementation. The proposed algorithm reduces the search areas of motion estimation using a linear relationship between the motion vector and the distances from the current frame to the reference frames. First of all, it executes a full search area motion estimation in reference frames 0 and 1. After that, the search areas of motion estimation in reference frames 2, 3 and 4 are minimized by a linear relationship between the motion vector and distances from the current frame to the reference frames. The proposed algorithm does not use an early termination which gives us a fixed processing time schedule and a small size area of hardware. Simulation results show that PSNR drop and bit-rate increase are lower than those of previous fast multi-reference frame motion estimation algorithms. The number of computations of the new algorithm is reduced by 52.5% and the sequence quality of the simulation results is almost the same as with a full search area motion estimation which uses 5 reference frames.
Sponsorship	IEEE Consumer Electronics Society
File Size	766446
File Format	PDF
ISSN	00983063
Volume Number	56
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Motion estimation Vectors Hardware Accuracy Algorithm design and analysis Containers Automatic voltage control Video codecs, Video coding
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Media Technology

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