一种快速的单幅图像去雾算法

doi:10.3969/j.issn.0372-2112.2017.08.013

电子学报 ›› 2017, Vol. 45 ›› Issue (8): 1896-1901.DOI: 10.3969/j.issn.0372-2112.2017.08.013

一种快速的单幅图像去雾算法

刘杰平, 黄炳坤, 韦岗

华南理工大学电子与信息学院, 广东广州 510640

收稿日期:2016-01-20 修回日期:2016-05-18 出版日期:2017-08-25
- 作者简介:
- 刘杰平,女,1961年生,湖南新化人.华南理工大学副教授、硕士生导师.研究方向为图像/视频信号处理.E-mail:eeliujp@scut.edu.cn;黄炳坤,男,1992年生于广东罗定.华南理工大学电子与信息学院硕士研究生,研究方向为图像去雾算法.E-mail:olivernewhbk@hotmail.com
- 基金资助:
- 国家自然科学基金 (No.61327005）; 国家工程技术研究中心项目 (No.2013FU125X02）; 广东省短距离无线探测与通信重点实验室项目 (No.2014B030301010）

A Fast Effective Single Image Dehazing Algorithm

LIU Jie-ping, HUANG Bing-kun, WEI Gang

School of Electronic and Information Engineering, South China University of Technology. Guangzhou, Guangdong 510640, China

Received:2016-01-20 Revised:2016-05-18 Online:2017-08-25 Published:2017-08-25

摘要/Abstract

摘要： 为了解决基于暗原色先验的单幅图像去雾算法运行效率低，以及去雾后在图像的明亮灰白区域存在图像色彩失真的问题，提出一种快速有效的单幅图像去雾算法.该算法基于HSI色彩空间进行粗略的透射率以及大气光的估计；然后，用导向滤波对粗略的透射率进行平滑，再利用阈值法对灰白明亮区域的透射率进行修正，得到最终的透射率；最后，进行色彩调整得到复原图像.实验结果表明，本文算法具有很高的运行效率，能有效提高复原图像的清晰度和对比度.

关键词: 图像去雾, 暗原色先验, HSI色彩空间, 大气散射模型

Abstract: A fast and effective single image dehazing algorithm is proposed in order to solve the problems of low efficiency and the color distortion of the bright grey areas after dehazing algorithm of using dark channel prior.First,the algorithm estimates the rough transmittance and the atmospheric light based on HSI color space.Then,the final transmittance is generated after smoothing the rough transmittance by guided filter and correcting the transmittance of the bright grey areas by a threshold method.Finally,tone mapping are used to get the restored image.Experiments show that the proposed algorithm has high efficiency,which can effectively improve the visibility and contrast of the restored image.

Key words: image dehazing, dark channel prior, HSI color space, atmospheric scattering model

中图分类号:

TP391.4

刘杰平, 黄炳坤, 韦岗. 一种快速的单幅图像去雾算法[J]. 电子学报, 2017, 45(8): 1896-1901.

LIU Jie-ping, HUANG Bing-kun, WEI Gang. A Fast Effective Single Image Dehazing Algorithm[J]. Acta Electronica Sinica, 2017, 45(8): 1896-1901.

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一种快速的单幅图像去雾算法

A Fast Effective Single Image Dehazing Algorithm

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