Comput. Biol. Med. - A novel region-based level set method initialized with mean shift clustering for automated medical image segmentation.

Tópicos

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{ imag(2830) propos(1344) filter(1198) }
{ imag(2675) segment(2577) method(1081) }
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Resumo

Appropriate initialization and stable evolution are desirable criteria to satisfy in level set methods. In this study, a novel region-based level set method utilizing both global and local image information complementarily is proposed. The global image information is extracted from mean shift clustering without any prior knowledge. Appropriate initial contours are obtained by regulating the clustering results. The local image information, as extracted by a data fitting energy, is employed to maintain a stable evolution of the zero level set curves. The advantages of the proposed method are as follows. First, the controlling parameters of the evolution can be easily estimated by the clustering results. Second, the automaticity of the model increases because of a reduction in computational cost and manual intervention. Experimental results confirm the efficiency and accuracy of the proposed method for medical image segmentation.

Resumo Limpo

appropri initi stabl evolut desir criteria satisfi level set method studi novel regionbas level set method util global local imag inform complementarili propos global imag inform extract mean shift cluster without prior knowledg appropri initi contour obtain regul cluster result local imag inform extract data fit energi employ maintain stabl evolut zero level set curv advantag propos method follow first control paramet evolut can easili estim cluster result second automat model increas reduct comput cost manual intervent experiment result confirm effici accuraci propos method medic imag segment

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