Polarimetric Laser Range-Gated Underwater Imaging

被引：7

作者：

Guan Jin-Ge ^{[1
,2
]}

Zhu Jing-Ping ^{[1
,2
]}

Tian Heng ^{[1
,2
]}

机构：

[1] Xi An Jiao Tong Univ, Key Lab Phys Elect & Devices, Minist Educ, Xian 710049, Peoples R China

[2] Xi An Jiao Tong Univ, Shaanxi Key Lab Informat Photon Tech, Xian 710049, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2015年 / 32卷 / 07期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

MEDIA;

D O I：

10.1088/0256-307X/32/7/074201

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

For conventional laser range-gated underwater imaging (RGI) systems, the target image is obtained based on the reflective character of the target. One of the main performance limiting factors of conventional RGI is that, when the underwater target has the same reflectivity as the background, it is difficult to distinguish the target from the background. An improvement is to use the polarization components of the reflected light. On the basis of conventional RGI, we propose a polarimetric RGI system that employs a polarization generator and a polarization analyzer to detect and recognize underwater objects. Experimental results demonstrate that, by combining polarization with intensity information, we are better able to enhance identification of the underwater target from other objects of the same reflectivity.

引用

页数：5