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医学可视化中利用形状特征设计传递函数 被引量：6

Transfer Function Design Using Shape Features in Medical Visualization
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摘要 传递函数设计是医学可视化中一种困难却行之有效的方法.传递函数能高亮显示人体内的重要部位,为医生诊断疾病带来便捷.通过对目前传递函数设计方法中研究较少的形状特征进行研究,提出了基于形状特征的传递函数,利用三维不变矩、分形特征、线状特征等多种形状特征突出显示用户感兴趣的具有相同形状的结构.最后用一些医学数据集进行测试,证明了文中方法的高效性和便捷性. In medical visualization,transfer function design is an efficient means to emphasize the interested tissues and organs while suppressing other regions.It is challenging,however,to get an appropriate transfer function for characterizing arbitrary shapes.This paper introduces a shape-based transfer function design scheme that highlights similarly shaped structures using pre-determined shape features such as 3D moment invariants,fractal features and linear features.We verified our approach on several medical datasets to show its efficiency and convenience.
作者 彭艺 陈莉
机构地区 清华大学软件学院计算机图形学与辅助设计研究所 清华大学软件学院信息系统安全教育部重点实验室 清华大学信息科学与技术国家实验室
出处 《计算机辅助设计与图形学学报》 EI CSCD 北大核心 2011年第1期78-84,共7页 Journal of Computer-Aided Design & Computer Graphics
基金 国家"八六三"高技术研究发展计划(2010AA186002 2007AA040401) 国家自然科学基金(60773143 91015008) 中日国际合作项目(51021140004)
关键词 形状 分割 传递函数 体绘制 可视化 shape segmentation transfer function volume rendering visualization
分类号 TP391.72 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献20

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二级参考文献12

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共引文献3

同被引文献53

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引证文献6

二级引证文献15

计算机辅助设计与图形学学报
2011年 第1期

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