Image Coding Compression System of Synthetic Aperture Radar

Huan Lianqing; Bai Yuhong; Hu Chunju; Xu Zhonghai; Cong Hui

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Image Coding Compression System of Synthetic Aperture Radar

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- Image Coding Compression System of Synthetic Aperture Radar
- Optics and Precision Engineering Vol. 2, Issue 5, Pages: 98-103(1994)
- 作者机构：
  
  中国科学院长春光学精密机械研究所长春,130022
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN957.5
- Received：10 August 1994，
  
  Published Online：15 October 1994，
  
  Published：15 October 1994
- 稿件说明：
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黄廉卿, 白雨虹, 胡存举, 徐忠海, 丛卉. 合成孔径雷达(SAR)图像编码压缩系统[J]. 光学精密工程, 1994,(5): 98-103

Huan Lianqing, Bai Yuhong, Hu Chunju, Xu Zhonghai, Cong Hui. Image Coding Compression System of Synthetic Aperture Radar[J]. Editorial Office of Optics and Precision Engineering, 1994,(5): 98-103
黄廉卿, 白雨虹, 胡存举, 徐忠海, 丛卉. 合成孔径雷达(SAR)图像编码压缩系统[J]. 光学精密工程, 1994,(5): 98-103 DOI：

Huan Lianqing, Bai Yuhong, Hu Chunju, Xu Zhonghai, Cong Hui. Image Coding Compression System of Synthetic Aperture Radar[J]. Editorial Office of Optics and Precision Engineering, 1994,(5): 98-103 DOI：

摘要

论述了合成孔径雷达(SAR)图像准实时编码压缩的原理以及在工程上实现的方法。文章依据信息理论

根据SAR图像特点

阐述了三种编码压缩的设计方法

并从中选出采用数字信号处理器的硬一软件相结合的最佳编码压缩方案

实践表明

该方法可在80秒时间内对一幅2048×2048的SAR图像进行编码压缩

压缩比大于10

系统信噪比大于35db

很好地满足了工程任务需要。

Abstract

This paper discusses the principles of quasi-real time coding compression of SAR images and the realizing method in the project.According to the information theory and featu res of SAR images

three design methods of coding compression are given. The best one has beenchosen

which uses a digital signal processor

hardwares and softwares

The practice showsthat a 2048?2048 SAR image can be coded and compressed within 80 second by thismethod

the compressing ratio is greater than 10

SNR is greater than 35 db meeting the requirements of the project.

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Related Institution

School of Optoelectronic Engineering， Xi'an Technological University

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