Software correction of the optical measuring lens′ distortion in the CCD-assembly scanner

TIAN Xiang-chun; TANG Hui-jun

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Software correction of the optical measuring lens′ distortion in the CCD-assembly scanner

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- Software correction of the optical measuring lens′ distortion in the CCD-assembly scanner
- Optics and Precision Engineering Vol. 9, Issue 3, Pages: 234-237(2001)
- 作者机构：
  
  1. 中国科学院西安光学精密机械研究所, 陕西西安, 710068
  2. 西安测绘研究所,陕西西安,710054
- 作者简介：
- 基金信息：
- DOI：
  CLC： TH703
- Received：21 August 2000，
  
  Revised：08 February 2001，
  
  Published Online：15 June 2001，
  
  Published：15 June 2001
- 稿件说明：
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田向春, 唐慧君. 扫描仪测量镜头畸变误差的软件校正[J]. 光学精密工程, 2001,(3): 234-237

TIAN Xiang-chun, TANG Hui-jun . Software correction of the optical measuring lens′ distortion in the CCD-assembly scanner[J]. Editorial Office of Optics and Precision Engineering, 2001,(3): 234-237
田向春, 唐慧君. 扫描仪测量镜头畸变误差的软件校正[J]. 光学精密工程, 2001,(3): 234-237 DOI：

TIAN Xiang-chun, TANG Hui-jun . Software correction of the optical measuring lens′ distortion in the CCD-assembly scanner[J]. Editorial Office of Optics and Precision Engineering, 2001,(3): 234-237 DOI：

摘要

介绍CCD拼接扫描仪精度高于0.2mm时

测量镜头畸变带来的扫描误差情况.针对该项误差

进行测量、分析、计算

得到镜头畸变的规律和函数曲线

给出利用函数进行软件校正的思路和方法及基本流程.通过试验证明

此方法较好的改善了测量镜头畸变带来的成像误差

并使之满足精度要求.

Abstract

The paper discusses scanning errors resulting from optical distortion of optical measuring lens in the multi CCD assembly scanner as the accuracy required better than 2mm. By testing and smoothed curve of every camera fitted line of trend's equation

a software for correcting the error is put forward. The results has proved that this method can reduce the error

and make the accuracy better than 2mm.

关键词

Keywords

references

唐慧君. 高分辨率扫描仪技术研究[D]. 西安:西安光机所硕士论文, 1998.

张以谟. 应用光学[M]. 北京:机械工业出版社,1982:153-155.

徐士良. C语言常用算法程序集[M]. 北京:清华大学出版社, 1994:360-390.

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Related Institution

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Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

中科院长春光机所

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