| 医学体数据三维重建的体绘制加速算法研究 |
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| 引用本文： | 唐晓英,高艳,张军莉,孙萍,谢敬辉.医学体数据三维重建的体绘制加速算法研究[J].北京理工大学学报,2004,24(3):261-264. |
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| 作者姓名： | 唐晓英 高艳 张军莉 孙萍 谢敬辉 |
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| 作者单位： | 北京理工大学,生命科学与技术学院,北京,100081;北京理工大学,信息科学技术学院光电工程系,北京,100081 |
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| 摘 要： | 研究有效的体绘制加速算法.在抛雪球法的基础上,采用提取最近表面体素的方法实现加速.提出新的分割方法,以体素原有的灰度值作为颜色值的3个分量,将所有体素的不透明度设为0.9或1.0,结果表明,加速算法能满足显示要求且加速作用明显.该加速算法结合了表面绘制方法和体绘制方法的优点,但只适用于不透明物体的重建显示.
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| 关 键 词： | 三维重建 体绘制 抛雪球法 |
| 文章编号： | 1001-0645(2004)03-0261-04 |
| 收稿时间： | 2003/4/24 0:00:00 |
| 修稿时间： | 2003年4月24日 |
Fast Volume Rendering Methods for 3D Reconstruction of Medical Images |
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| TANG Xiao-ying,GAO Yan,ZHANG Jun-li,SUN Ping and XIE Jing-hui.Fast Volume Rendering Methods for 3D Reconstruction of Medical Images[J].Journal of Beijing Institute of Technology(Natural Science Edition),2004,24(3):261-264. |
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| Authors: | TANG Xiao-ying GAO Yan ZHANG Jun-li SUN Ping and XIE Jing-hui |
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| Institution: | TANG Xiao-ying~1,GAO Yan~1,ZHANG Jun-li~1,SUN Ping~2,XIE Jing-hui~2 |
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| Abstract: | An effective fast volume rendering algorithm is investigated. Based on the splatting algorithm, an accelerated algorithm is used to pick up the nearest surface volume and realize fast volume rendering. A new method of separation for volume data is presented. Through this algorithm, high quality images can be obtained in much faster speed. The algorithm is a combination of surface rendering and volume rendering methods, in possession of the strongpoints of both. It is only fit for the reconstruction of opaque objects. |
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| Keywords: | 3D reconstruction volume rendering splatting algorithm |
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