中国激光, 2020, 47 (1): 0110004, 网络出版: 2020-01-09
条纹管激光成像雷达目标三维重构快速算法 下载: 1226次
Fast Target Three-Dimensional Reconstruction Algorithm for Streak Tube Laser Imaging Radar
图 & 表
图 1. 条纹图像目标三维重构示意图。(a)等间隔抽样;(b)重构步骤
Fig. 1. Diagram of 3D object reconstruction of streak image. (a) Sampling with equal intervals; (b) reconstruction steps
图 3. 近距离目标实物图。(a)目标实物图;(b)目标条纹像
Fig. 3. Short-range target physical image. (a) Target physical image; (b) target streak image
图 4. 近距离目标条纹图像重构的目标三维图。(a) S=100%, OT=0.607 s, OCorr=1;(b) S=4%, BT=0.244 s, BCorr=0.93;(c) S=4%, NT=0.178 s, NCorr=0.92
Fig. 4. Reconstructed three-dimensional target images from close-in target streak image. (a) S=100%, OT=0.607 s, OCorr=1; (b) S=4%, BT=0.244 s, BCorr=0.93; (c) S=4%, NT=0.178 s, NCorr=0.92
图 5. 近距离目标两种方法重构效果比较。(a)重构时间;(b)重构矩阵相关系数
Fig. 5. Comparison of reconstructing effects of two methods for close-in targets. (a) Reconstructing time; (b) correlation coefficient of reconstructed matrix
图 6. 远距离目标实物图和条纹像。(a)目标实物图;(b)目标条纹像
Fig. 6. Physical picture and streak image of remote target. (a) Target physical picture; (b) target streak image
图 7. 远距离目标条纹图像重构的目标三维图。(a) S=100%, OT=6.155 s, OCorr=1;(b) S=4%, BT=1.847 s, BCorr=0.99;(c) S=4%, NT=1.356 s, NCorr=0.98
Fig. 7. Reconstructed target three-dimensional image from remote target streak image. (a)S=100%, OT=6.155 s,OCorr=1; (b) S=4%, BT=1.847 s, BCorr=0.99;(c) S=4%, NT=1.356 s, NCorr=0.98
表 1近距离目标的不同抽样率对应的重构时间和相关系数
Table1. Reconstruction time and correlation coefficient of different sampling rate for close-in targets
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表 2远距离目标不同的抽样率对应的重构时间和相关系数
Table2. Reconstruction time and correlation coefficient corresponding to different sampling rate for remote targets
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刘爱林, 张敬金, 李思宁, 孙剑峰, 牛丽红, 郭宝平. 条纹管激光成像雷达目标三维重构快速算法[J]. 中国激光, 2020, 47(1): 0110004. Ailin Liu, Jingjin Zhang, Sining Li, Jianfeng Sun, Lihong Niu, Baoping Guo. Fast Target Three-Dimensional Reconstruction Algorithm for Streak Tube Laser Imaging Radar[J]. Chinese Journal of Lasers, 2020, 47(1): 0110004.