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Separation of interconnected hepatic veins

: Drechsler, Klaus; Oelmann, Simon; Oyarzun Laura, Cristina


Olive, M. ; IEEE Engineering in Medicine and Biology Society -EMBS-:
24th International Symposium on Computer-Based Medical Systems, CBMS 2011. Proceedings : Bristol, United Kingdom, 27 - 30 June 2011
Piscataway, NJ: IEEE, 2011
ISBN: 978-1-4577-1189-3
ISBN: 978-1-4577-1190-9
International Symposium on Computer-Based Medical Systems (CBMS) <24, 2011, Bristol>
Fraunhofer IGD ()
medical image processing; data visualization; intraoperative navigation; vessel segmentation; liver

The proper separation of hepatic veins is crucial for discriminative visualization during surgical planning and intraoperative navigation, automated analysis and liver segment approximation. However, due to several reasons liver and portal vein may be connected at some points and may contain loops. In this work, we propose a novel graph-based method to separate interconnected hepatic veins. Furthermore, we show how to transfer the graph-based separation results back to the imaging data to improve the initial segmentation and discriminate portal and liver vein. In addition, we propose a majority voting operation to correct some segmentation imperfections. Promising qualitative and quantitative evaluation results are presented.