Time-of-flight imaging in fog using multiple time-gated exposures

被引：22

作者：

Kijima, Daiki ^{[1
]}

Kushida, Takahiro ^{[1
]}

Kitajima, Hiromu ^{[1
]}

Tanaka, Kenichiro ^{[1
]}

Kubo, Hiroyuki ^{[1
,2
]}

Funatomi, Takuya ^{[1
]}

Mukaigawa, Yasuhiro ^{[1
]}

机构：

[1] Nara Inst Sci & Technol NAIST, Grad Sch Sci & Mchnol, 8916-5 Takayama, Ikoma, Nara 6300192, Japan

[2] Tokai Univ, Sch Informat & Telecommun Engn, Minato Ku, 2-3-23 Takanawa, Tokyo 1088619, Japan

来源：

OPTICS EXPRESS | 2021年 / 29卷 / 05期

基金：

日本学术振兴会;

关键词：

PARTICIPATING MEDIA; SYSTEM; DEPTH; LIGHT; 3D;

D O I：

10.1364/OE.416365

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose a time-of-flight measurement algorithm for depth and intensity that is robust to fog. The key idea of the algorithm is to compensate for the scattering effects of fog by using multiple time-gating and assigning one time-gated exposure for scattering property estimation. Once the property is estimated, the depth and intensity can be reconstructed from the rest of the exposures via a physics-based model. Several experiments with artificial fog show that our method can measure depth and intensity irrespective of the traits of the fog. We also confirm the effectiveness of our method in real fog through an outdoor experiment. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：6453 / 6467

页数：15

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