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Patricia Marquez, Debora Gil, & Aura Hernandez-Sabate. (2012). Error Analysis for Lucas-Kanade Based Schemes. In 9th International Conference on Image Analysis and Recognition (Vol. 7324, pp. 184–191). LNCS. Springer-Verlag Berlin Heidelberg.
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.
Error Analysis for Lucas-Kanade Based SchemesPatricia MarquezDebora GilAura Hernandez-Sabateinfo:doi/10.1007/978-3-642-31295-3_22urn:ISBN:978-3-642-31294-6openurl:?ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Frefbase.cvc.uab.es%2F&genre=proceeding&title=Error%20Analysis%20for%20Lucas-Kanade%20Based%20Schemes&series=Lecture%20Notes%20in%20Computer%20Science&issn=0302-9743&isbn=978-3-642-31294-6&date=2012&volume=7324&issue=I&spage=184&epage=191&aulast=Patricia%20Marquez&au=Debora%20Gil&au=Aura%20Hernandez-Sabate&pub=Springer-Verlag%20Berlin%20Heidelberg&id=info%3Adoi%2F10.1007%2F978-3-642-31295-3_22&sid=refbase%3ACVCPatricia Marquez, Debora Gil, & Aura Hernandez-Sabate. (2012). Error Analysis for Lucas-Kanade Based Schemes. In 9th International Conference on Image Analysis and Recognition (Vol. 7324, pp. 184-191). LNCS. Springer-Verlag Berlin Heidelberg.Lecture Notes in Computer Science2012ConferencePapertextOptical flow, Confidence measure, Lucas-Kanade, Cardiac Magnetic Resonancefile:http://refbase.cvc.uab.es/files/MGH2012a.pdfSpringer-Verlag Berlin Heidelbergenglish0302-97439th International Conference on Image Analysis and Recognition20127324I184191