Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/23664
Title: An AM-FM model for motion estimation in atherosclerotic plaque videos
Authors: Murray, Víctor 
Murillo, Sergio 
Pattichis, Marios S. 
Loizou, Christos P. 
Pattichis, Constantinos S. 
Kyriacou, Efthyvoulos C. 
Nicolaides, Andrew N. 
Major Field of Science: Engineering and Technology
Field Category: Medical Engineering
Keywords: Amplitude Modulation (AM);Frequency-Modulation (FM);Image motion analysis;Optical modulation
Issue Date: 11-Apr-2008
Source: Forty-First Asilomar Conference on Signals, Systems & Computers, 2007, 4-7 November, Pacific Grove, CA, USA
Start page: 746
End page: 750
Conference: Asilomar Conference on Signals, Systems and Computers 
Abstract: We present new multidimensional Amplitude-Modulation Frequency-Modulation (AM-FM) methods for motion estimation. For a single AM-FM component we show that the optical flow constraint leads to separate equations for amplitude modulation (AM) and frequency modulation (FM). We compare our approach with phase-based estimation developed by Fleet and Jepson and also the original optical flow method by Horn and Schunck. An advantage of the proposed method is that it provides for dense estimates that remain accurate over the entire video. We also present preliminary results on atherosclerotic plaques videos where the AM method appears to work best. © 2007 IEEE.
URI: https://hdl.handle.net/20.500.14279/23664
ISBN: 978-1-4244-2110-7
DOI: 10.1109/ACSSC.2007.4487315
Rights: © IEEE
Type: Conference Papers
Affiliation : University of New Mexico 
Intercollege 
University of Cyprus 
Cyprus Institute of Neurology and Genetics 
Vascular Screening and Diagnostic Center 
Appears in Collections:Δημοσιεύσεις σε συνέδρια /Conference papers or poster or presentation

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