结合引导滤波和非线性二阶特征的色调映射方法

芦碧波; 皇甫珍珍; 李绍森; 郑艳梅

doi:10.3788/OPE.20192707.1613

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结合引导滤波和非线性二阶特征的色调映射方法

信息科学 | 更新时间：2020-08-13

- 结合引导滤波和非线性二阶特征的色调映射方法
- Tone mapping method combining guided filtering and nonlinear second-order features
- 光学精密工程 2019年27卷第7期页码：1613-1620
- 作者机构：
  
  河南理工大学计算机科学与技术学院，河南焦作 454000
- 作者简介：
  
  [ "芦碧波(1978-)，男，河南焦作人，博士，副教授，2002年，2005年，2008年于吉林大学分别获得学士、硕士、博士学位，现为河南理工大学副教授，主要从事数字图像处理方面的研究。E-mail:lubibojz@gmail.com" ]
  [ "皇甫珍珍(1993-)，女，河南焦作人，硕士研究生，2016年于河南理工大学获得学士学位, 主要从事色调映射算法研究。E-mail:hpzz1890@126.com" ]
  郑艳梅(1984-)，女，河南开封人，博士，讲师，2006年于兰州大学获得学士学位，2012年于中国科学院数学与系统科学研究院获得博士学位，主要从事高动态范围图像处理，色调映射图像的质量评估方面的研究。E-mail:zhengym02@gmail.com ZHENG Yan-mei, E-mail:zhengym02@gmail.com
- 基金信息：
  
  国家自然科学基金资助项目(U1404103);2016年度河南省高等学校重点科研项目资助(16A520053);河南理工大学博士基金资助项目(B2016-40)
- DOI：10.3788/OPE.20192707.1613
  中图分类号： TP391.4
- 收稿日期：2018-11-28，
  
  录用日期：2019-1-30，
  
  纸质出版日期：2019-07-15
- 稿件说明：
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芦碧波, 皇甫珍珍, 李绍森, 等. 结合引导滤波和非线性二阶特征的色调映射方法[J]. 光学精密工程, 2019,27(7):1613-1620.

Bi-bo LU, Zhen-zhen HUANGFU, Shao-shen LI, et al. Tone mapping method combining guided filtering and nonlinear second-order features[J]. Optics and precision engineering, 2019, 27(7): 1613-1620.
芦碧波, 皇甫珍珍, 李绍森, 等. 结合引导滤波和非线性二阶特征的色调映射方法[J]. 光学精密工程, 2019,27(7):1613-1620. DOI： 10.3788/OPE.20192707.1613.

Bi-bo LU, Zhen-zhen HUANGFU, Shao-shen LI, et al. Tone mapping method combining guided filtering and nonlinear second-order features[J]. Optics and precision engineering, 2019, 27(7): 1613-1620. DOI： 10.3788/OPE.20192707.1613.

摘要

为提高图像的可视化效果，增强图像的局部细节信息，提出一种结合引导滤波和非线性二阶特征的色调映射方法，首先提取输入图像的亮度信息，利用引导滤波器对亮度图像进行多尺度分解，得到基本层和细节层图像，其次，通过引导滤波方法构造细节层的权重图，对基本层利用Hessian矩阵构造一种非线性二阶特征，再通过引导滤波方法构造基本层的权重图，最后，根据权重图对分解后的基本层和细节层图像实现亮度图像的重构，然后恢复亮度图像的色彩信息，获得最终的结果图像。实验结果表明，该方法较为完整的保留源图像的局部细节信息，具有良好的视觉效果。本文将Hessian矩阵用于提取基本层图像的高频信息，可以更好地突出图像的边缘信息，丰富图像的细节特征。与对比算法的客观指标相比，该方法的质量分数提高了11.28%，结构保真度提高了10.82%，自然相似性提高了186.46%。

Abstract

To improve the visualization effect and enhance the local detail information of an image

a tone-mapping method that combines guided filtering and nonlinear second-order features was proposed. First

the luminance information of an input image was extracted and the luminance image was decomposed by a multi-scale using a guide filter to obtain a base layer and a detail layer image. Second

a weighting map of the detail layer was constructed by the guided filtering method

a nonlinear second-order feature was constructed using a Hessian matrix for the basic layer

and a weight map of the basic layer was constructed using the guided filtering method. Finally

the basic graph was decomposed according to the weight map. The layer and detail layer images implement reconstruction of the luminance image and then restore the color information of the luminance image to obtain the final resulting image. Experimental results show that the method preserves the local detail information of the source image and has a good visual effect. In this study

the Hessian matrix is used to extract the high-frequency information of the base-layer image

which can more effectively highlight the edge information and enrich the detail features of the image. Compared with the objective index of the comparison algorithm

the quality score of the method

the structural fidelity

and the natural similarity are increased by 11.28%

10.82%

and 186.46%

respectively.

关键词

Keywords

references

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