NDLI: The Compensated HS Optical Flow Estimation Based on Matching Harris Corner Points

Content Provider	IEEE Xplore Digital Library
Author	Lu Ziyun Liu Wei
Copyright Year	2010
Abstract	In this paper we develop a novel approach called the compensated HS (CHS) optical flow estimation algorithm to improve the precision of the large displacement optical flow field. For the lack of the higher order term in the optical flow constraint equation, the traditional optical flow estimation based on the first-order gradient always produce the optical flow field with obvious error in the case of large image displacement. We compensate the optical flow constraint equation with the fitted higher-order term through matching the corner points extracted by the Harris detector. And then, we use it to construct the new energy function and derive the new Gauss-Seidel iterative solution of the optical flow. To the existence of multi-motion pattern, we adopt k-means algorithm to cluster these pattern and point-by-point fit the higher order terms of different pattern. The final experiments show that this algorithm could obviously improve the precision of the large displacement optical flow and of the optical flow in the smooth region.
Starting Page	2279
Ending Page	2282
File Size	1173928
Page Count	4
File Format	PDF
ISBN	9781424468805
e-ISBN	9781424468812
DOI	10.1109/iCECE.2010.562
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Compensated optical flow constraint equation Computer vision Image motion analysis Estimation Optical imaging Compensated HS optical flow estimation Harris corner detector Adaptive optics Gauss-Seidel iteration Referenced optical flow field Optical sensors Equations
Content Type	Text
Resource Type	Article

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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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