基于低空图像的Worldview-1 全色波段仿真

张冬英; 易维宁; 洪津; 方薇

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基于低空图像的Worldview-1 全色波段仿真

张冬英, 易维宁, 洪津, 方薇

文章导航 > 红外与激光工程 > 2015 > 44(2): 620-624

张冬英, 易维宁, 洪津, 方薇. 基于低空图像的Worldview-1 全色波段仿真[J]. 红外与激光工程, 2015, 44(2): 620-624.

引用本文:

张冬英, 易维宁, 洪津, 方薇. 基于低空图像的Worldview-1 全色波段仿真[J]. 红外与激光工程, 2015, 44(2): 620-624.

Zhang Dongying, Yi Weining, Hong Jin, Fang Wei. Panchromatic image simulation of Worldview based on low-level flight images[J]. Infrared and Laser Engineering, 2015, 44(2): 620-624.

Citation:

Zhang Dongying, Yi Weining, Hong Jin, Fang Wei. Panchromatic image simulation of Worldview based on low-level flight images[J]. Infrared and Laser Engineering, 2015, 44(2): 620-624.

基于低空图像的Worldview-1 全色波段仿真

1.
中国科学院通用光学定标与表征技术重点实验室,安徽合肥230031;
2.
解放军陆军军官学院,安徽合肥230031;
3.
中国科学院合肥智能机械研究所,安徽合肥230031

基金项目:

中国科学院方向性创新基金(KGCX-SW-413)

详细信息

作者简介:
张冬英(1975-),女,讲师,博士,主要从事光学遥感信息获取和处理方面的研究工作。Email:emilyzdy@sina.com

中图分类号: TP75

Panchromatic image simulation of Worldview based on low-level flight images

1.
Key Laboratory of Optical Calibration and Characterization,Chinese Academy of Sciences,Hefei 230031,China;
2.
Army Officer Academy of PLA,Hefei 230031,China;
3.
Institute of Intelligent Machines,Chinese Academy of Sciences,Hefei 230031,China

摘要: 对地资源探索是遥感技术的追求目标,Worldview-1是高精度商业卫星之一,星下点分辨率为0.5 m。提出一种基于图像的Worldview-1全色波段仿真方法。以低空飞行的可见近红外图像为数据源,利用大气校正或经验线性法进行反射率反演得到地面反射率图;然后经过以下四个步骤:辐射传输模拟、光谱波段匹配、空间分辨率仿真和传感器调制传递函数MTF仿真,仿真出Worldview-1全色波段图像。通过以飞艇为平台的外场试验获取数据,将仿真图像与Worldview-1全色波段图像从相似度及图像纹理参数进行对比,结果显示这种模拟地物、大气、传感器特性的图像仿真方法可以应用于Worldview-1全色波段图像的仿真。
- 图像仿真 /
- 大气辐射传输 /
- 全色 /
- 光谱波段合成
Abstract: Earth science research and application requirements have often been driven by currently available remote sensing technology. Worldview-1 is the highest-resolution commercial remote sensing satellite now operating, offering panchromatic imagery with 0.5 m resolution at nadir. An image simulation method for Worldview-1 panchromatic band was mentioned. Firstly, the visible and near infrared images obtained by low-level flight were accepted as data resources. After atmospheric correction or empirical linear method the reflectivity of ground could be deduced. Then through four steps simulation: radiative transfer, spectral band synthesis, spatial resolution simulation, modulation transfer function simulation, the panchromatic image of Worldview-1 could be evaluated. Experimentation was carried out to test the method using an airship as platform. Though similarity and texture analysis between simulated image and real Worldview-1 image, the result showed the method that simulated the interactions between parameters of objects, atmosphere and the characteristic of sensor enables one to effectively reproduce the panchromatic image of Worldview-1.
- image simulation /
- radiative transfer /
- panchromatic /
- spectral band synthesis

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基于低空图像的Worldview-1 全色波段仿真

1. 中国科学院通用光学定标与表征技术重点实验室,安徽合肥230031;

2. 解放军陆军军官学院,安徽合肥230031;

3. 中国科学院合肥智能机械研究所,安徽合肥230031

作者简介:
张冬英(1975-),女,讲师,博士,主要从事光学遥感信息获取和处理方面的研究工作。Email:emilyzdy@sina.com

收稿日期: 2014-06-05
修回日期: 2014-07-15
刊出日期: 2015-02-25

基金项目:

中国科学院方向性创新基金(KGCX-SW-413)

中图分类号: TP75

关键词:

摘要: 对地资源探索是遥感技术的追求目标,Worldview-1是高精度商业卫星之一,星下点分辨率为0.5 m。提出一种基于图像的Worldview-1全色波段仿真方法。以低空飞行的可见近红外图像为数据源,利用大气校正或经验线性法进行反射率反演得到地面反射率图;然后经过以下四个步骤:辐射传输模拟、光谱波段匹配、空间分辨率仿真和传感器调制传递函数MTF仿真,仿真出Worldview-1全色波段图像。通过以飞艇为平台的外场试验获取数据,将仿真图像与Worldview-1全色波段图像从相似度及图像纹理参数进行对比,结果显示这种模拟地物、大气、传感器特性的图像仿真方法可以应用于Worldview-1全色波段图像的仿真。

English Abstract

Panchromatic image simulation of Worldview based on low-level flight images

1. Key Laboratory of Optical Calibration and Characterization,Chinese Academy of Sciences,Hefei 230031,China;

2. Army Officer Academy of PLA,Hefei 230031,China;

3. Institute of Intelligent Machines,Chinese Academy of Sciences,Hefei 230031,China

Received Date: 2014-06-05
Rev Recd Date: 2014-07-15
Publish Date: 2015-02-25

Keywords:

Abstract: Earth science research and application requirements have often been driven by currently available remote sensing technology. Worldview-1 is the highest-resolution commercial remote sensing satellite now operating, offering panchromatic imagery with 0.5 m resolution at nadir. An image simulation method for Worldview-1 panchromatic band was mentioned. Firstly, the visible and near infrared images obtained by low-level flight were accepted as data resources. After atmospheric correction or empirical linear method the reflectivity of ground could be deduced. Then through four steps simulation: radiative transfer, spectral band synthesis, spatial resolution simulation, modulation transfer function simulation, the panchromatic image of Worldview-1 could be evaluated. Experimentation was carried out to test the method using an airship as platform. Though similarity and texture analysis between simulated image and real Worldview-1 image, the result showed the method that simulated the interactions between parameters of objects, atmosphere and the characteristic of sensor enables one to effectively reproduce the panchromatic image of Worldview-1.