Evaluation and benchmarking of level set-based three forces via geometric active contours for segmentation of white blood cell nuclei shape
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چکیده
منابع مشابه
histological evaluation of the effect of three medicaments; trichloracetic acid, formocresol and mineral trioxide aggregate on pulpotomized teeth of dogs
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15 صفحه اولRobust Image Segmentation using Active Contours : Level Set Approaches
Lee, Cheolha Pedro. Robust Image Segmentation using Active Contours: Level Set Approaches. (Under the direction of Dr. Wesley Snyder). Image segmentation is a fundamental task in image analysis responsible for partitioning an image into multiple sub-regions based on a desired feature. Active contours have been widely used as attractive image segmentation methods because they always produce sub-...
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Sulci are groove-like regions lying in the depth of the cerebral cortex between gyri, which together, form a folded appearance in human and mammalian brains. Sulci play an important role in the structural analysis of the brain, morphometry (i.e., the measurement of brain structures), anatomical labeling and landmark-based registration. Moreover, sulcal morphological changes are related to corti...
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Methods described by partial differential equations have gained a considerable interest because of undoubtful advantages such as an easy mathematical description of the underlying physics phenomena, subpixel precision, isotropy, or direct extension to higher dimensions. Though their implementation within the level set framework offers other interesting advantages, their vast industrial deployme...
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Parametric active contours have been widely used for image segmentation. However, high noise levels and weak edges are the most acute issues that hinder their performance, particularly in medical images. In order to overcome these issues, we propose an external force that weights the gradient vector flow (GVF) field and balloon forces according to local image features. We also propose a mechani...
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ژورنال
عنوان ژورنال: Computers in Biology and Medicine
سال: 2020
ISSN: 0010-4825
DOI: 10.1016/j.compbiomed.2019.103568