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A novel approach for the detection of pathlines in X-ray angiograms: the wavefront propagation algorithm
This article presents a new pathline approach, based on the wavefront propagation principle, and developed in order to reduce the variability in the outcomes of the quantitative coronary artery analysis. This novel approach, called wavepath, reduces the influence of the user-defined start- and endpo...
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Published in: | The international journal of cardiovascular imaging 2002-10, Vol.18 (5), p.317-324 |
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container_title | The international journal of cardiovascular imaging |
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creator | JANSSEN, Johannes P KONING, Gerhard DE KONING, Patrick J. H TUINENBURG, Joan C REIBER, Johan H. C |
description | This article presents a new pathline approach, based on the wavefront propagation principle, and developed in order to reduce the variability in the outcomes of the quantitative coronary artery analysis. This novel approach, called wavepath, reduces the influence of the user-defined start- and endpoints of the vessel segment and is therefore more robust and improves the reproducibility of the lesion quantification substantially. The validation study shows that the wavepath method is totally constant in the middle part of the pathline, even when using the method for constructing a bifurcation or sidebranch pathline. Furthermore, the number of corrections needed to guide the wavepath through the correct vessel is decreased from an average of 0.44 corrections per pathline to an average of 0.12 per pathline. Therefore, it can be concluded that the wavepath algorithm improves the overall analysis substantially. |
doi_str_mv | 10.1023/A:1016004005730 |
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Furthermore, the number of corrections needed to guide the wavepath through the correct vessel is decreased from an average of 0.44 corrections per pathline to an average of 0.12 per pathline. Therefore, it can be concluded that the wavepath algorithm improves the overall analysis substantially.</description><identifier>ISSN: 1569-5794</identifier><identifier>EISSN: 1573-0743</identifier><identifier>DOI: 10.1023/A:1016004005730</identifier><identifier>PMID: 12194670</identifier><identifier>CODEN: IJCIBI</identifier><language>eng</language><publisher>Dordrecht: Kluwer Academic Publishers</publisher><subject>Algorithms ; Angiography, Digital Subtraction - methods ; Biological and medical sciences ; Cardiovascular system ; Coronary Angiography - methods ; Coronary Artery Disease - diagnostic imaging ; Humans ; Investigative techniques, diagnostic techniques (general aspects) ; Medical sciences ; Radiodiagnosis. Nmr imagery. 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Furthermore, the number of corrections needed to guide the wavepath through the correct vessel is decreased from an average of 0.44 corrections per pathline to an average of 0.12 per pathline. Therefore, it can be concluded that the wavepath algorithm improves the overall analysis substantially.</description><subject>Algorithms</subject><subject>Angiography, Digital Subtraction - methods</subject><subject>Biological and medical sciences</subject><subject>Cardiovascular system</subject><subject>Coronary Angiography - methods</subject><subject>Coronary Artery Disease - diagnostic imaging</subject><subject>Humans</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Medical sciences</subject><subject>Radiodiagnosis. Nmr imagery. 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subjects | Algorithms Angiography, Digital Subtraction - methods Biological and medical sciences Cardiovascular system Coronary Angiography - methods Coronary Artery Disease - diagnostic imaging Humans Investigative techniques, diagnostic techniques (general aspects) Medical sciences Radiodiagnosis. Nmr imagery. Nmr spectrometry Reproducibility of Results |
title | A novel approach for the detection of pathlines in X-ray angiograms: the wavefront propagation algorithm |
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