摘要
瞬态图像是一种场景对光脉冲进行响应的快速图像序列。通过对时间维度信息的捕获,瞬态图像实现了对时域中蕴藏的场景信息的有效利用,而非视距成像是瞬态图像在场景解析领域中最典型的应用。非视距成像是一种对视线范围外物体或场景进行成像的技术,近几年在国内外广受关注。本文根据不同的成像机理,对瞬态图像的不同成像方式进行分类,并根据算法原理或实现效果的不同,对比了多种基于瞬态图像的非视距成像算法。最后总结了基于瞬态图像的非视距成像技术面临的挑战,并展望了未来的发展方向。
Transient image is a fast image sequence in which a scene responds to light pulses.By capturing the time dimension information,the transient image realizes the use of the scene information contained in the time domain,and the non-line-of-sight imaging is the most typical application of transient images in the field of scene analysis.It is a technology for imaging objects or scenes outside the line of sight,and has emerged at home and abroad in recent years.According to different imaging mechanisms,this paper classifies different imaging methods of transient images,and compares a variety of non-line-of-sight imaging algorithms based on transient images according to different algorithm principles or implementation effects.Finally,the challenges of non-line-of-sight imaging technology based on transient images are summarized,and the future development direction is prospected.
作者
梁云
宋柏延
LIANG Yun;SONG Boyan(College of Mathematics and Informatics,South China Agricultural University,Guangzhou 510642,China)
出处
《数据采集与处理》
CSCD
北大核心
2022年第1期21-34,共14页
Journal of Data Acquisition and Processing
基金
广东省科技计划(2019A050510034)
国家自然科学基金(61772209)
教育部产学研协同育人项目(201901240030)
2019年度广东省重点领域研发计划(2019B020219001)
广州市智慧农业重点实验室资助项目(201902010081)。
关键词
瞬态图像
非视距成像
飞行时间
反投影
光脉冲
transient imaging
non-line-of-sight image
time-of-flight
back-projection
light pulse
