| 三维表面与平面数据间的自适应配准 |
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| 引用本文： | 李中梅,鲍旭东.三维表面与平面数据间的自适应配准[J].计算机工程与应用,2004,40(23):78-79,179. |
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| 作者姓名： | 李中梅 鲍旭东 |
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| 作者单位： | 东南大学生物医学工程系,南京,210096 |
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| 摘 要： | 三维体数据与二维平面数据间的配准是手术导航的基础。与以往的思路有所不同,论文通过把三维表面投影到平面上,利用光照模型计算投影平面的灰度值,实现投影图像与实拍照片间的匹配,在匹配中调整投影参数使得两平面图像达到最佳相似,进而实现三维到二维的自适应配准。
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| 关 键 词： | 自适应配准 透视投影 光照模型 互信息 模拟退火算法 |
| 文章编号： | 1002-8331-(2004)23-0078-02 |
Auto-registration of 3D Surface Model and 2D Optical Image |
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| Li,Zhongmei Bao Xudong.Auto-registration of 3D Surface Model and 2D Optical Image[J].Computer Engineering and Applications,2004,40(23):78-79,179. |
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| Authors: | Li Zhongmei Bao Xudong |
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| Abstract: | The registration of pre-operative3D volumetric datasets to intra-operative2D images is the basis of image guided surgery.Different from previous method,the algorithm provided in this paper realizes3D-2D auto-registration in three steps:Firstly,obtain plane information through perspective projection.Secondly,use lighting model to calculate the gray value of the projection plane.Thirdly,match the projection image and the optical image,adjust the projection parameter to make two images most similar,record these parameters and realize3D-2D auto-registration. |
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| Keywords: | auto-registration perspective projection lighting model mutual information simulated annealing algorithm |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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