A Model of Image Quality Assessment Based on Wavelet Second Coefficient Error

ZHENG Jiang-yun; JIANG Ju-lang

doi:10.3969/j.issn.0372-2112.2012.03.024

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A Model of Image Quality Assessment Based on Wavelet Second Coefficient Error

更新时间：2025-07-16

- A Model of Image Quality Assessment Based on Wavelet Second Coefficient Error
- Acta Electronica Sinica Vol. 40, Issue 3, Pages: 559-563(2012)
- 作者机构：
  
  安庆师范学院物理与电气工程学院,安徽,安庆,246011
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2012.03.024
  CLC： TP391
- Published：2012
- 稿件说明：
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ZHENG Jiang-yun, JIANG Ju-lang. A Model of Image Quality Assessment Based on Wavelet Second Coefficient Error[J]. Acta Electronica Sinica, 2012, 40(3): 559-563.
DOI：

ZHENG Jiang-yun, JIANG Ju-lang. A Model of Image Quality Assessment Based on Wavelet Second Coefficient Error[J]. Acta Electronica Sinica, 2012, 40(3): 559-563. DOI： 10.3969/j.issn.0372-2112.2012.03.024.

摘要

图像质量研究的目标是设计客观评价算法

它与主观评价有很强的相关性.本文根据人眼对图像高低频失真的敏感度不同

采用不同方法分别计算图像高频和低频失真量

然后将两种失真量直接相乘得到客观评价值.实验结果表明

这种客观评价模型能够一致评价各种失真类型、各种失真强度的图像质量

与LIVE图库上差异主观评价分(DMOS)的线性相关性优于PSNR、LMSE和SSIM算法.

Abstract

The goal of quality assessment research is to design algorithms for objective evaluation of quality in a way that is consistent with subjective human evaluation.Based on the human visual system(HVS) with different sensitivities in the frequency domain

low frequency coefficient error and high frequency coefficient error are calculated by different methods.The product of two errors is adopted as objective evaluation of quality.The new method is validated with subjective quality scores on LIVE database which containing 982 images.Experimental results show that the performance of the new method is superior to the algorithms of PSNR

LMSE and SSIM.

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