Computer post-processing method for blocking-artifact in satellite decoded images

He Bin; HAO Zhi-hang

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Computer post-processing method for blocking-artifact in satellite decoded images

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- Computer post-processing method for blocking-artifact in satellite decoded images
- Optics and Precision Engineering Vol. 9, Issue 1, Pages: 43-46(2001)
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所, 吉林长春, 130022
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP391.41
- Received：18 October 2000，
  
  Revised：03 November 2000，
  
  Published Online：15 February 2001，
  
  Published：15 February 2001
- 稿件说明：
移动端阅览
何斌, 郝志航. 卫星解码数字图像块效应计算机后处理方法[J]. 光学精密工程, 2001,(1): 43-46

HE Bin, HAO Zhi-hang. Computer post-processing method for blocking-artifact in satellite decoded images[J]. Editorial Office of Optics and Precision Engineering, 2001,(1): 43-46
何斌, 郝志航. 卫星解码数字图像块效应计算机后处理方法[J]. 光学精密工程, 2001,(1): 43-46 DOI：

HE Bin, HAO Zhi-hang. Computer post-processing method for blocking-artifact in satellite decoded images[J]. Editorial Office of Optics and Precision Engineering, 2001,(1): 43-46 DOI：

摘要

分块余弦变换(BDCT)已经被广泛应用于国际图像压缩标准并取得了良好的效果。然而

在有损图像处理中都存在着块效应问题。为了消除卫星数字图像块效应

这里结合卫星图像的特点

在文献

［4］

的DCT后处理方法基础上进行改进

提出一种改进的解码图像块效应后处理方法。此方法不仅可以减少卫星图像块效应和提高图像质量

而且减少了DCT块效应后处理时间

提高了解码图像后处理效率。具有广泛的应用性。

Abstract

BDCT has been widely used for International Standard of image compression and achieved effective result. However

there exists blocking-artifact problem in loss decoded image processing. In order to reduce satellite image blocking-artifact

the improved blocking-artifact post-processing algorithm based on DCT post-processing method[4] has been proposed

according to the characteristic of the satellite image. The algorithm can not only reduce the blocking-artifact and improve the image quality

but can also save the post-processing time for DCT blocking-artifact and improve the efficiency. This algorithm is extensively useful.

关键词

Keywords

references

Avril C, Nguyen-trong T. Linear filtering for reducing blocking effects in orthogonal transform image coding[J].J. Electron. Imaging, 1992,1(4):183-191.

Ramamurthi B, Gersho A. Nonlinear space-variant post-processing of block coded images[J].IEEE Trans. Acoust., Speech, Signal Processing, 1986,34(10):1258-1268.

Kuo C J, Hsieh R J. Adaptive postprocessor for block encoded images[J].IEEE Trans. Circuit Syst. Video Technol.,1995,5(8):298-304.

Peak Hoon, Kim Rin-Chui, Lee Sang-Uk. A DCT-based spatially adaptive post-processing technique to reduce the blocking artifact in transform coded images[J].IEEE Trans. Image Processing,2000,10(1):36-41.

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Satellite image fusion using RPCA combined IHS transform

Related Author

TIAN Yun-xiang

WU Jiang-long

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Related Institution

Faculty of Information Technology, Macau University of Science and Technology, Macau

Lunar and Planetary Science Laboratory/Space Science Institute, Macau University of Science and Technology, Macau

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