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Phase-based Image Motion Estimation and Registration: Phoenix, AZ, USA
n/a.
Linköping University, Department of Biomedical Engineering, Medical Informatics. Linköping University, The Institute of Technology.
Linköping University, Department of Biomedical Engineering, Medical Informatics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-9091-4724
1999 (English)In: International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 1999, 1999Conference paper, Published paper (Refereed)
Abstract [en]

Conventional gradient methods (optical flow), for motion estimation assume intensity conservation between frames. This assumption is often violated in real applications. The remedy is a novel method that computes constraints on the local motion. These constraint are given on the same form as in conventional methods. Thus, it can directly substitute the gradient method in most applications. Experiments indicate a superior accuracy, even on synthetic images where the intensity conservation assumption is valid. The conventional gradient methods seem obsolete.

Place, publisher, year, edition, pages
1999.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-21599OAI: oai:DiVA.org:liu-21599DiVA: diva2:241563
Available from: 2009-10-05 Created: 2009-10-05 Last updated: 2013-08-28

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Andersson, Mats T.Knutsson, Hans

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CiteExportLink to record
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  • en-US
  • fi-FI
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  • nn-NB
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