Comput Methods Programs Biomed - Direct volume manipulation for visualizing intraoperative liver resection process.

Tópicos

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Resumo

This paper introduces a new design and application for direct volume manipulation for visualizing the intraoperative liver resection process. So far, interactive volume deformation and resection have been independently handled due to the difficulty of representing elastic behavior of volumetric objects. Our framework models global shape editing and discontinuous local deformation by merging proxy geometry encoding and displacement mapping. A local-frame-based elastic model is presented to allow stable editing of the liver shape including bending and twisting while preserving the volume. Several tests using clinical CT data have confirmed the developed software and interface can represent the intraoperative state of liver and produce local views of reference vascular structures, which provides a "road map of vessels" that are key features when approaching occluded tumors during surgery.

Resumo Limpo

paper introduc new design applic direct volum manipul visual intraop liver resect process far interact volum deform resect independ handl due difficulti repres elast behavior volumetr object framework model global shape edit discontinu local deform merg proxi geometri encod displac map localframebas elast model present allow stabl edit liver shape includ bend twist preserv volum sever test use clinic ct data confirm develop softwar interfac can repres intraop state liver produc local view refer vascular structur provid road map vessel key featur approach occlud tumor surgeri

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