Decision algorithm for 3D blood vessel loop based on a route edit distance

D. Kobayashi; H. Yokota; S. Morishita; K. Hiraoka; K. Fukasaku; R. Himeno; T. Mishima

doi:10.1117/12.811449

27 March 2009 Decision algorithm for 3D blood vessel loop based on a route edit distance

D. Kobayashi, H. Yokota, S. Morishita, K. Hiraoka, K. Fukasaku, R. Himeno, T. Mishima

Proceedings Volume 7259, Medical Imaging 2009: Image Processing; 725944 (2009) https://doi.org/10.1117/12.811449
Event: SPIE Medical Imaging, 2009, Lake Buena Vista (Orlando Area), Florida, United States

Abstract

This paper reports on a method to distinguish true from false of the loop in the blood vessel graph. Most conventional studies have used a graph to represent 3D blood vessels structure. Blood vessels graph sometimes has a false loop and this exerts a harmful influence to the graph analysis. Conventional study simply cut them but this is not suitable for the graph include real loop. For this reason, we try to distinguish true from false of the loop in the graph. Our method uses the loop inside and the outside main blood vessel shape to distinguish the similar loop. This main blood vessel we called route is long, thick, and not shares to other route as much as possible. Even if a graph includes false loop, this main route will avoid the false connection and detect the same main blood vessel. Our method detects such a main route in each loop branch point and stores it as the outside feature for comparing. Inside feature is measured by converting the inside blood vessels as one route. Each loop is compared by the graph edit distance. Graph edit distance is easily able to deal with the route adding, deleting and replacing. Our method was tested by the cerebral blood vessels image in MRI. Our method tried to detect the arterial cycles of Willis from the graph including false loops. As a result, our method detected it correctly in four data from five.

Citation Download Citation

D. Kobayashi, H. Yokota, S. Morishita, K. Hiraoka, K. Fukasaku, R. Himeno, and T. Mishima "Decision algorithm for 3D blood vessel loop based on a route edit distance", Proc. SPIE 7259, Medical Imaging 2009: Image Processing, 725944 (27 March 2009); https://doi.org/10.1117/12.811449

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