| 图像重投影及其在极线校正中的应用 |
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| 引用本文： | 廖晓峰,许小艳,易琳,刘然.图像重投影及其在极线校正中的应用[J].同济大学学报(自然科学版),2010,38(4):593-597. |
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| 作者姓名： | 廖晓峰 许小艳 易琳 刘然 |
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| 作者单位： | 1. 重庆大学,计算机学院,重庆,400044
2. 重庆大学,计算机学院,重庆,400044;四川虹微技术有限公司,四川,成都,610041 |
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| 基金项目： | 重庆大学研究生科技创新基金资助项目，中国博士后科学基金资助项目 |
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| 摘 要： | 针对摄像机绕光心旋转的情形,讨论了在这种特殊情形下图像重投影具有的性质,然后根据这些性质给出了使2幅图像平面平行的方法,最后介绍了图像重投影技术在极线校正中的应用,提出了一种新的极线校正方法.该极线校正方法的特点是需要采用图像重投影技术将2幅图像重投影到平行的平面.实验表明,该方法能够在完成极线校正的同时保持图像的扭曲较小.
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| 关 键 词： | 图像重投影 极线校正 极线几何 单应矩阵 |
| 收稿时间： | 2/7/2009 11:41:22 AM |
| 修稿时间： | 2010/1/21 0:00:00 |
Image Reprojection and its Application in Epipolar Line Rectification |
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| LIAO Xiaofeng,XU Xiaoyan,Yi Lin and Liu Ran.Image Reprojection and its Application in Epipolar Line Rectification[J].Journal of Tongji University(Natural Science),2010,38(4):593-597. |
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| Authors: | LIAO Xiaofeng XU Xiaoyan Yi Lin and Liu Ran |
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| Institution: | Chongqing University,Chongqing University,Chongqing Cancer Hospital,Chongqing University |
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| Abstract: | Image reprojection is a technique to generate novel images by projecting a reference image of any view. This paper first discusses the properties of the image reprojection when the camera rotates around its optical center. Then the methods for making the image planes parallel based on the properties are introduced. Finally, application of the image reprojection for epipolar line rectification is presented. A new epipolar line rectification method, which is characterized by reprojecting the images so as to make their image planes parallel, is given. The experiment results show that the presented rectification method works accurately with low image distortion. |
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| Keywords: | image reprojection epipolar line rectification epipolar geometry homography |
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