Image deblurring method for satellite platform caused by jitter

Xiao-lin SONG; Zhong-hao FANG; Jun PAN

doi:10.11959/j.issn.1000-436x.2017252

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Image deblurring method for satellite platform caused by jitter

Papers | 更新时间：2024-06-05

- Image deblurring method for satellite platform caused by jitter
- Journal on Communications Vol. 38, Issue Z1, Pages: 186-192(2017)
- 作者机构：
  
  武汉大学测绘遥感信息工程国家重点实验室，武汉湖北 430079
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(91438112)
- DOI：10.11959/j.issn.1000-436x.2017252
  CLC： P236
- Online First：2017-10，
  
  Published：25 October 2017
- 稿件说明：
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Xiao-lin SONG, Zhong-hao FANG, Jun PAN. Image deblurring method for satellite platform caused by jitter[J]. Journal on Communications, 2017, 38(Z1): 186-192.
DOI：

Xiao-lin SONG, Zhong-hao FANG, Jun PAN. Image deblurring method for satellite platform caused by jitter[J]. Journal on Communications, 2017, 38(Z1): 186-192. DOI： 10.11959/j.issn.1000-436x.2017252.

摘要

TDI CCD相机凭借其多级积分的成像特点，已成为目前高分辨率光学遥感器成像系统的主流传感器，但在其成像过程中，若存在平台震颤，会造成图像的模糊，影响成像质量。首先，从TDI CCD相机的成像原理入手，分析了平台震颤对成像质量的影响，并根据震颤检测得到的震颤像移轨迹，提出一种震颤影像去模糊方法，以消除震颤引起的图像退化，最后，利用资源三号多光谱影像进行了实验。实验结果表明，经该方法处理后的震颤影像，图像的各项定量评价指标显著提升，从而验证了方法的有效性。

Abstract

TDI CCD camera with its multi-level integral imaging features has become the mainstream sensor of current high-resolution optical remote sensor imaging system

but if there is platform tremor in its imaging process

it will produce images blur

affecting image quality.The influence of platform tremor on imaging quality based on the imaging principle of TDI CCD camera was analyzed.According to the jitter image trajectory obtained by jitter detection

a method was proposed to eliminate image degradation caused by jitter.ZY-3 multi-spectral images were experimented.The experimental results show that the quantitative evaluation index of the image after the jitter image is improved

and the validity of the method is verified.

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references

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