Abstract
Recently computer-aided diagnosis systems (CAD) have been used in a variety of medical fields. Even in the field of cardiovascular surgery, CAD system is effectively used in patient diagnosis. But for the patients suffering from aortic aneurysm, conventional CAD systems cannot provide adequate information cardiovascular surgeons, where it is difficult to estimate the statement of aortic aneurysm during operation even by using the latest CAD system and medical image. Because the posture of patient changes between in the scene of medical imaging room and in the operation theatre, the shape of aneurysm and/or aortic vessel issues deforms from 3-D image for diagnosis. And then we aim to make a new CAD system that can estimate the condition of aneurysm interactively deforms according to the posture of patient and the view point of surgeon. For the purpose of our study, this paper firstly introduces how to detect the volume data of aneurysm and/or aortic vessel issue from patient's computed tomography angiography (CTA) that is commonly used for diagnosing a patient with aortic aneurysm. Fuzzy based region growing method and various experimental results will be shown in this paper.
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