Calculation and compensation for image motion of aerial remote sensor in oblique situation

XU Yong-sen; DING Ya-lin; TIAN Hai-ying; DONG Bin

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Calculation and compensation for image motion of aerial remote sensor in oblique situation

Article | 更新时间：2020-08-12

- Calculation and compensation for image motion of aerial remote sensor in oblique situation
- Optics and Precision Engineering Vol. 15, Issue 11, Pages: 1779-1783(2007)
- 作者机构：
  
  1. 中国科学院研究生院,北京 100039
  2. 中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
- 作者简介：
- 基金信息：
- DOI：
  CLC： V248.3
- Received：22 July 2007，
  
  Revised：18 October 2007，
  
  Published Online：30 November 2007，
  
  Published：30 November 2007
- 稿件说明：
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许永森,丁亚林,田海英,董斌,. 斜视状态下航空遥感器像移的计算与补偿[J]. 光学精密工程, 2007,15(11):1779-1783

XU Yong-sen, DING Ya-lin, TIAN Hai-ying, et al. Calculation and compensation for image motion of aerial remote sensor in oblique situation[J]. Optics and precision engineering, 2007, 15(11): 1779-1783.
许永森,丁亚林,田海英,董斌,. 斜视状态下航空遥感器像移的计算与补偿[J]. 光学精密工程, 2007,15(11):1779-1783 DOI：

XU Yong-sen, DING Ya-lin, TIAN Hai-ying, et al. Calculation and compensation for image motion of aerial remote sensor in oblique situation[J]. Optics and precision engineering, 2007, 15(11): 1779-1783. DOI：

摘要

航空遥感器成像过程中飞行器的向前飞行和姿态变化

使地面物体发出的光线相对于遥感器的光轴产生运动

从而引起共轭像点的运动

在成像介质上产生像移。运用光线矢量与光轴旋转变换相结合的方法

针对飞行器向前飞行使物体与光轴间发生的平移

以及飞行器姿态变化使光轴方向的改变

建立了光线矢量与光轴单位矢量间的关系

得到了航空遥感器在斜视状态下的像移模型。以实测遥感器的工作参数为条件

分析和计算了遥感器的像移

并给出了像移补偿的方法。实际应用证明光线矢量与光轴旋转变换相结合计算像移的方法

不仅综合了前向像移与姿态像移

而且计算简便

可推广于航空遥感器的研究中。

Abstract

The forward motion and attitude variation of the aircraft can cause a deviation between the optical axis and the light emitted from the object on the ground

which produces conjugate point movement and image motion on imaging medium. By using the method combining light vector with optical axis revolution

aiming at the translation between object and optical axis and the deviation of the optical axis direction caused by the attitude variation of the aircraft

the relationship between light vector and optical unit vector is obtained

and the mathmatical model for image motion compensation is established. The image motion of remote sensor is analyzed and calculated with measured parameter and the method of image motion compensation is given. The results show that the method integrates forward image motion with attitude image motion

which is easy to calculate and can be applied in the research of aerial remote sensor.

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