期刊文献+

利用相关比相似性测度多分辨率配准MR和CT医学图像的方法 被引量:4

MULTI-RESOLUTION REGISTRATION OF MR AND CT IMAGES BASED ON CORRELATION RATIO SIMILARITY MEASURE
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摘要 本文提出了有效的、能被临床应用所接受的磁共振 (MR)和CT医学图像配准方法。在基于体素灰度的医学图像配准领域 ,本文采用了全新的相关比相似性测度作为配准的测度准则。具体设计时 ,采用了加速的多分辨率配准方案 ,对方案中涉及的几何变换选取、重采样、多分辨率体数据表达及最优化方法进行了设计分析。最后 ,利用本文提出的多分辨率配准方法 ,对MR和CT临床医学图像进行配准 ,给出了令人满意的效果。 An effective multi-resolution MR and CT images registration method designed for clinical use is presented. A new correlation ratio similarity measure in voxel intensity based medical image registration field was adopted. The rigid transformation, resampling, multi-resolution medical image representation and optimization methods for accelerated multi-resolution registration scheme were discussed in detail. Experimental results based on clinical MR and CT images show that correlation ratio based multi-resolution registration method works well during clinical application.
出处 《中国生物医学工程学报》 EI CAS CSCD 北大核心 2003年第1期1-5,11,共6页 Chinese Journal of Biomedical Engineering
基金 上海市科学发展基金资助项目 ( 985 10 70 16 )
关键词 医学图像配准 相关比 多分辨率 相似性测度 系统设计 Computerized tomography Correlation methods Magnetic resonance imaging Medical imaging
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参考文献7

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同被引文献34

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