一种基于圆偏光的偏振去雾成像优化方法

王辉; 王进; 李校博; 胡浩丰; 刘铁根

doi:10.3788/IRLA201948.1126001

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一种基于圆偏光的偏振去雾成像优化方法

王辉, 王进, 李校博, 胡浩丰, 刘铁根

文章导航 > 红外与激光工程 > 2019 > 48(11): 1126001-1126001(5)

王辉, 王进, 李校博, 胡浩丰, 刘铁根. 一种基于圆偏光的偏振去雾成像优化方法[J]. 红外与激光工程, 2019, 48(11): 1126001-1126001(5). doi: 10.3788/IRLA201948.1126001

引用本文:

王辉, 王进, 李校博, 胡浩丰, 刘铁根. 一种基于圆偏光的偏振去雾成像优化方法[J]. 红外与激光工程, 2019, 48(11): 1126001-1126001(5). doi: 10.3788/IRLA201948.1126001

Wang Hui, Wang Jin, Li Xiaobo, Hu Haofeng, Liu Tiegen. Optimization for a polarimetic dehazing imaging method based on the circularly polarized light[J]. Infrared and Laser Engineering, 2019, 48(11): 1126001-1126001(5). doi: 10.3788/IRLA201948.1126001

Citation:

Wang Hui, Wang Jin, Li Xiaobo, Hu Haofeng, Liu Tiegen. Optimization for a polarimetic dehazing imaging method based on the circularly polarized light[J]. Infrared and Laser Engineering, 2019, 48(11): 1126001-1126001(5). doi: 10.3788/IRLA201948.1126001

一种基于圆偏光的偏振去雾成像优化方法

doi: 10.3788/IRLA201948.1126001

1.
天津大学精密仪器与光电子工程学院光电信息技术教育部重点实验室天津大学光纤传感研究所,天津 300072

基金项目:

国家自然科学基金（61775163）;国家重大科学仪器设备开发专项（2013YQ030915）;中国科协青年人才托举工程（2017QNRC001）;中国博士后科学基金（2016M601260）;青岛海洋科学与技术试点国家实验室主任基金（QNLM201717）

详细信息

作者简介:
王辉(1977-),男,讲师,博士,主要从事偏振成像和光纤传感方面的研究。Email:whoptic@163.com

中图分类号: TP75

Optimization for a polarimetic dehazing imaging method based on the circularly polarized light

1.
Institute of Optical Fiber Sensing of Tianjin University,Key Laboratory of Opto-Electronics Information Technology,School of Precision Instrument&Opto-Electronics Engineering,Tianjin University,Tianjin 300072,China

摘要: 在经典的偏振成像去雾方法中，后向散射光的偏振度估计值是影响去雾效果的关键。基于圆偏振光在米氏散射介质中良好的保偏特性，提出一种适用于强散射环境下的偏振成像去雾方法。研究不同偏振态的光源照明时，不同散射强度下，CCD接收到的光场偏振度变化规律，在此基础上提出了一种快速简易的散射光偏振度估计方法。该方法在不增加系统复杂度的情况下，提高了偏振成像去雾的效果。实验结果显示，在强散射条件下文中方法获得的去雾图像EME值比传统方法高20.4%。此外，该方法不需要传统偏振去雾方法中对背景区域的判断，降低了算法复杂度。
- 偏振成像 /
- 去雾 /
- 偏振度 /
- 圆偏振光
Abstract: In a typical polarimetric dehazing method, the estimation of the degree of polarization (DoP) of the backward scattered light is a key factor to affect the dehazing effect. In the present paper, based on the polarization maintaining characteristic of the circularly polarized light in the Mie scatting media, the traditional polarimetric dehazing method was optimized which was suitable for use in the strong scattering environment. The variation patterns of the DoP of the light field received by the CCD, in the light source illuminations with different polarization states and in different densities of the scattering particles, were discussed, based on which a simple and easy method for estimating the DoP of the scattered light was proposed. This method can improve the effect of polarimetric dehazing method, without increasing the complexity of the system. It can be seen from the experiment results that under a condition of strong scattering, the present method can provide the dehazed images with an EME value being 20.4% higher than that by the traditional method. In addition, in this method, it is not necessary to determine the background region (s) as in the traditional method for polarimetric dehazing, thus lowering the calculation complexity.
- polarimetric imaging /
- dehazing /
- degree of polarizaion /
- circularly polarized light

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一种基于圆偏光的偏振去雾成像优化方法

doi: 10.3788/IRLA201948.1126001

1. 天津大学精密仪器与光电子工程学院光电信息技术教育部重点实验室天津大学光纤传感研究所,天津 300072

作者简介:
王辉(1977-),男,讲师,博士,主要从事偏振成像和光纤传感方面的研究。Email:whoptic@163.com

收稿日期: 2019-02-05
修回日期: 2019-05-15
刊出日期: 2019-11-25

基金项目:

中图分类号: TP75

关键词:

摘要: 在经典的偏振成像去雾方法中，后向散射光的偏振度估计值是影响去雾效果的关键。基于圆偏振光在米氏散射介质中良好的保偏特性，提出一种适用于强散射环境下的偏振成像去雾方法。研究不同偏振态的光源照明时，不同散射强度下，CCD接收到的光场偏振度变化规律，在此基础上提出了一种快速简易的散射光偏振度估计方法。该方法在不增加系统复杂度的情况下，提高了偏振成像去雾的效果。实验结果显示，在强散射条件下文中方法获得的去雾图像EME值比传统方法高20.4%。此外，该方法不需要传统偏振去雾方法中对背景区域的判断，降低了算法复杂度。

English Abstract

Optimization for a polarimetic dehazing imaging method based on the circularly polarized light

1. Institute of Optical Fiber Sensing of Tianjin University,Key Laboratory of Opto-Electronics Information Technology,School of Precision Instrument&Opto-Electronics Engineering,Tianjin University,Tianjin 300072,China

Received Date: 2019-02-05
Rev Recd Date: 2019-05-15
Publish Date: 2019-11-25

Keywords:

Abstract: In a typical polarimetric dehazing method, the estimation of the degree of polarization (DoP) of the backward scattered light is a key factor to affect the dehazing effect. In the present paper, based on the polarization maintaining characteristic of the circularly polarized light in the Mie scatting media, the traditional polarimetric dehazing method was optimized which was suitable for use in the strong scattering environment. The variation patterns of the DoP of the light field received by the CCD, in the light source illuminations with different polarization states and in different densities of the scattering particles, were discussed, based on which a simple and easy method for estimating the DoP of the scattered light was proposed. This method can improve the effect of polarimetric dehazing method, without increasing the complexity of the system. It can be seen from the experiment results that under a condition of strong scattering, the present method can provide the dehazed images with an EME value being 20.4% higher than that by the traditional method. In addition, in this method, it is not necessary to determine the background region (s) as in the traditional method for polarimetric dehazing, thus lowering the calculation complexity.