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Author
Patricia Marquez; Debora Gil ; Aura Hernandez-Sabate
Title
Error Analysis for Lucas-Kanade Based Schemes
Type
Conference Article
Year
2012
Publication
9th International Conference on Image Analysis and Recognition
Abbreviated Journal
Volume
7324
Issue
I
Pages
184-191
Keywords
Optical flow, Confidence measure, Lucas-Kanade, Cardiac Magnetic Resonance
Abstract
Optical flow is a valuable tool for motion analysis in medical imaging sequences. A reliable application requires determining the accuracy of the computed optical flow. This is a main challenge given the absence of ground truth in medical sequences. This paper presents an error analysis of Lucas-Kanade schemes in terms of intrinsic design errors and numerical stability of the algorithm. Our analysis provides a confidence measure that is naturally correlated to the accuracy of the flow field. Our experiments show the higher predictive value of our confidence measure compared to existing measures.
Address
Aveiro, Portugal
Corporate Author
Thesis
Publisher
Springer-Verlag Berlin Heidelberg
Place of Publication
Editor
Language
english
Summary Language
Original Title
Series Editor
Campilho, Aurélio and Kamel, Mohamed
Series Title
Lecture Notes in Computer Science
Abbreviated Series Title
LNCS
Series Volume
Series Issue
Edition
ISSN
0302-9743
ISBN
978-3-642-31294-6
Medium
Area
Expedition
Conference
ICIAR
Notes
IAM
Approved
no
Call Number
IAM @ iam @ MGH2012a
Serial
1899
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