基于SSIM_NCCDFT的超分辨率复原评价方法研究

张振东; 陈健; 王伟国; 刘廷霞

doi:10.3788/YJYXS20153004.0713

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基于SSIM_NCCDFT的超分辨率复原评价方法研究

成像技术与图像处理 | 更新时间：2020-08-12

- 基于SSIM_NCCDFT的超分辨率复原评价方法研究
- Evaluation method of super-resolution restoration based on SSIM_NCCDFT
- 液晶与显示 2015年30卷第4期页码：713-721
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 中国科学院大学北京,中国,100049
  3. 吉林大学通信工程学院,吉林长春,130012
- 作者简介：
- 基金信息：
  
  吉林省重大科技攻关专项(No.20126015)()
- DOI：10.3788/YJYXS20153004.0713
  中图分类号： TP751.1
- 收稿日期：2014-09-18，
  
  修回日期：2014-10-23，
  
  纸质出版日期：2015-08-05
- 稿件说明：
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张振东, 陈健, 王伟国, 刘廷霞. 基于SSIM_NCCDFT的超分辨率复原评价方法研究[J]. 液晶与显示, 2015,30(4): 713-721

ZHANG zhen-dong, CHEN Jian, WANG Wei-guo, LIU Ting-xia. Evaluation method of super-resolution restoration based on SSIM_NCCDFT[J]. , 2015,30(4): 713-721
张振东, 陈健, 王伟国, 刘廷霞. 基于SSIM_NCCDFT的超分辨率复原评价方法研究[J]. 液晶与显示, 2015,30(4): 713-721 DOI： 10.3788/YJYXS20153004.0713.

ZHANG zhen-dong, CHEN Jian, WANG Wei-guo, LIU Ting-xia. Evaluation method of super-resolution restoration based on SSIM_NCCDFT[J]. , 2015,30(4): 713-721 DOI： 10.3788/YJYXS20153004.0713.

摘要

传统的图像质量评价方法很多

但是并非针对超分辨率复原算法的特定评价指标。一种超分辨率复原算法复原性能的好坏

至今没有一个统一的评价标准

这使得超分辨率复原算法的发展受到很大限制。针对传统的超分辨率复原评价体系只关注图像某一方面统计特性的问题

提出一种基于SSIM_NCCDFT的超分辨率复原评价方法。该评价方法结合了空间域的灰度均值、对比度以及频域自相关

能够同时评价超分辨率复原结果在空间域的复原效果和对频率域信息的复原精度。实验结果表明:SSIM_NCCDFT可以准确反映图像退化的程度。相对于PSNR

SSIM_NCCDFT的优势是其同时反映了频域和空域复原的精度

评价更加全面。本文提出的基于SSIM_NCCDFT的超分辨率复原评价方法同时考虑了超分辨率复原中频率域和空间域的复原性能

评价结果较为全面

能够有效地评价复原图像中的噪声和模糊等现象

对超分辨率复原方法的评价具有一定的指导意义。

Abstract

There were many traditional methods of image quality assessment.But they were not specific evaluation method for super-resolution restoration.So far there is no uniform evaluation criteria for super-resolution restoration

which largely restricted the development of super-resolution restoration algorithm.For the disadvantage of the traditional super-resolution restoration evaluation system only concerning about a particular aspect of the statistical properties of the image

this paper proposed the super-resolution restoration evaluation method based on SSIM_NCCDFT

which combined the gray value and contrast of the spatial domain and the autocorrelation of frequency domain.Therefore

the proposed evaluation method can evaluate the results of the super-resolution restoration in both spatial domain and frequency domain. Experimental results showed that SSIM_NCCDFT can accurately reflect the degree of image degradation.Relative to PSNR

SSIM_NCCDFT reflected both frequency and spatial accuracy.SSIM_NCCDFT was a more comprehensive evaluation.The evaluation method of super-restoration method based on SSIM_NCCDFT proposed in this paper can evaluate the results of the super-resolution restoration in both spatial domain and frequency domain.It got more comprehensive evaluation results.It can evaluate the image noise and blur.Furthermore this evaluation method has some significance for super-resolution restoration evaluation.

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references

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