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Automatic centerline extraction for virtual colonoscopy

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6 Author(s)
Ming Wan ; Boeing Co., Seattle, WA, USA ; Zhengrong Liang ; Qi Ke ; Lichan Hong
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In this paper, we introduce a concise and concrete definition of an accurate colon centerline and provide an efficient automatic means to extract the centerline and its associated branches (caused by a forceful touching of colon and small bowel or a deep fold in twisted colon lumen). We further discuss its applications on fly-through path planning and endoscopic simulation, as well as its potential to solve the challenging touching and colon collapse problems in virtual colonoscopy. Experimental results demonstrated its centeredness, robustness, and efficiency.

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IEEE Transactions on Medical Imaging  (Volume:21 ,  Issue: 12 )