Design and implementation of imaging simulation system for space optical camera

Jin-peng FAN; Qi JI

doi:10.37188/YJYXS20203511.1177

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Design and implementation of imaging simulation system for space optical camera

Image Processing | 更新时间：2020-10-30

- Design and implementation of imaging simulation system for space optical camera
- Chinese Journal of Liquid Crystals and Displays Vol. 35, Issue 11, Pages: 1177-1184(2020)
- 作者机构：
  
  1.中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
  2.中国科学院大学, 北京 100049
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China(61875190)
- DOI：10.37188/YJYXS20203511.1177
  CLC： TP394.1;TH691.9
- Received：25 April 2020，
  
  Revised：28 May 2020，
  
  Accepted：28 May 2020，
  
  Published：05 November 2020
- 稿件说明：
移动端阅览
Jin-peng FAN, Qi JI. Design and implementation of imaging simulation system for space optical camera[J]. Chinese journal of liquid crystals and displays, 2020, 35(11): 1177-1184.
DOI：

Jin-peng FAN, Qi JI. Design and implementation of imaging simulation system for space optical camera[J]. Chinese journal of liquid crystals and displays, 2020, 35(11): 1177-1184. DOI： 10.37188/YJYXS20203511.1177.

摘要

目前相机成像仿真研究存在成像模型少、覆盖不全的问题，难以满足相机在复杂观测条件下的仿真需求。因此提出一种基于卫星工具包（Satellite Tool Kit，STK）与开源场景图形（Open Scene Graph，OSG）相结合的空间光学相机成像仿真方案。使用STK建立被观测目标与相机的轨道参数，通过数据导入，创建被观测目标表面二维、三维景物信息；通过对多种影响模型分析研究，在OSG中创建影响模型，实现相机在复杂观测条件下的成像过程仿真；利用分布式技术设计系统结构，分模块完成整个仿真系统的开发。实验结果表明，该系统能为空间光学相机在复杂条件影响下的成像过程提供一个良好的仿真环境，为空间光学相机的设计、优化提供有力的数据支持。

Abstract

At present

the research of camera imaging simulation mostly has the problems of less imaging models and incomplete coverage

which is difficult to meet the simulation requirements of camera in complex observation conditions. Therefore

an imaging simulation scheme of space optical camera based on the combination of satellite tool kit and open scene graph was proposed. Satellite Tool Kit(STK) was used to establish the orbit parameters of the observed object and the camera

and through data import

2D and 3D scene information of the observed object surface is created. Through the analysis and research of many influence models

the influence model is created in Open Scene Graph(OSG) to realize the camera imaging process simulation under complex observation conditions. The distributed technology was used to design the system structure and complete the development of the whole simulation system in modules. The experimental results show that the system can provide a good simulation environment for the imaging process of space optical camera under the influence of complex conditions

and provide powerful data support for the design and optimization of space optical camera.

关键词

Keywords

references

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