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This paper presents a novel tracking method for automatic segmentation of coronary artery tree in the X-ray angiographic images, based on probabilitistic vessel tracking and structure pattern inferring. The method is composed of two main steps, namely preprocessing, and tracking. In the preprocessing step, multiscale Gabor filtering and Hessian matrix analysis are used to enhance and extract vessels...
Landmark extraction is used as the first step of many vision tasks such as tracking, image registration, localization, image matching and recognition. Furthermore, landmarks are used to reduce the data flow and consequently the computational costs. In this paper we extracted landmarks from echocardiography sequence, our algorithm is based on corner extraction, and then we evaluate our algorithm with...
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