Application of hierarchical multi-phase C-V method based on narrow band to MRI image segmentation

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Application of hierarchical multi-phase C-V method based on narrow band to MRI image segmentation

Received:2006-06-22 Revised:2006-08-25 Online:2006-12-01 Published:2006-12-01
Contact: Jun-Tao Xue

MRI图像的基于窄带的递进多分区C-V分割方法

薛俊韬刘正光张宏伟

天津大学电气与自动化工程学院电工电子技术中心

通讯作者: 薛俊韬

Abstract

Abstract: A hierarchical multi-phase C-V method based on narrow band was proposed. Several stages are involved in the proposed method, and each stage needs just one level set. Besides, in every segmentation stage only the points of narrow band need to be dealt with. Therefore, the computation work has been greatly reduced compared with the multi-phase C-V method. Experimental results of MRI (Magnetic Resonance Imaging) image show that the proposed method is efficient and stable. The segmentation effect and speed is improved greatly when the image has complex structure.

Key words: narrow band, C-V method, Magnetic Resonance Imaging (MRI), image segmentation, level sets

摘要： 提出了递进的基于窄带的多分区C-V方法，并对多幅医学脑部MRI图像进行了分割实验。由于该递进方法分为多个阶段，每阶段只需一个水平集函数，并且在每一阶段应用窄带区域，即只处理窄带区域中的点，从而使计算量大大减少。实验结果证明本算法是有效的，在提高计算速度的同时，可大大改进复杂几何结构的分割效果。

关键词: 窄带, C-V方法, 核磁共振成像, 图像分割, 水平集

Jun-Tao Xue . Application of hierarchical multi-phase C-V method based on narrow band to MRI image segmentation[J]. Journal of Computer Applications.

薛俊韬刘正光张宏伟 . MRI图像的基于窄带的递进多分区C-V分割方法[J]. 计算机应用.

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