| 平面定机拍摄中镜头畸变对动作技术分析结果的影响及修正 |
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| 引用本文： | 贾谊,许建辉.平面定机拍摄中镜头畸变对动作技术分析结果的影响及修正[J].河北体育学院学报,2013(2):83-87,92. |
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| 作者姓名： | 贾谊 许建辉 |
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| 作者单位： | [1]中北大学体育与艺术学院,太原030051 [2]西安体育学院,西安710068 |
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| 基金项目： | 陕西省自然科学基础研究计划项目（2009jm4004-4）; 中北大学科学基金资助项目（2012036） |
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| 摘 要： | 目的:针对平面定机拍摄中存在的边缘镜头畸变现象,提出一种快速、易操作的修正方法。研究对象与方法:对固定标志物和实际比赛视频分别进行了实验验证和实例检验。结果:三种被测镜头在图像边缘处的畸变误差百分比为2.75%—4%;对比赛现场拍摄的运动图像进行处理后,解析点在图像边缘运动速度前后差值百分比分别为5.9%和8.18%。结论:利用Lensdoc插件可以快速有效地对镜头畸变进行修正。
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| 关 键 词： | 镜头畸变 运动影像 Photoshop Lensdoc 修正 |
The Influence and Correction of Lens Distortion on Plane Fixed Filming on the Action Technical Analysis Results |
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| JIA Yi,XU Jian-hui.The Influence and Correction of Lens Distortion on Plane Fixed Filming on the Action Technical Analysis Results[J].Journal of Hebei Institute of Physical Education,2013(2):83-87,92. |
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| Authors: | JIA Yi XU Jian-hui |
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| Institution: | 1.College of Sport and Art,North University of China,Taiyuan 030051,China; 2.Xi＇an Institute of Physical Education,Xi＇an 710068,China) |
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| Abstract: | Aim： This paper puts forward a rapid and operatable method of correction aimed at the phenomenon of edge camera distortion in plane fixed filming.Study object and method： It makes experimental verification and example test on the video of fixed markers and the actual match.Result： Experiments shows that the edge distortion errors of the three types of lens are between 2.75%-4%.The percentage of difference of the reparse point before and after movement speed is 5.9% and 8.18%.Conclusion： The lensdoc plug-in software can solve the lens distortion quicklyand effectively. |
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| Keywords: | lens distortion sports film Photoshop Lensdoc correction |
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