中国激光, 2020, 47 (1): 0110004, 网络出版: 2020-01-09 复制并引用该论文  本文已被引 2 次  被引通知

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

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图 2. 条纹管激光成像雷达结构图

Fig. 2. Structural diagram of streak tube laser imaging radar

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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

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图 4. 近距离目标条纹图像重构的目标三维图。(a) S=100%, O_T=0.607 s, O_Corr=1;(b) S=4%, B_T=0.244 s, B_Corr=0.93;(c) S=4%, N_T=0.178 s, N_Corr=0.92

Fig. 4. Reconstructed three-dimensional target images from close-in target streak image. (a) S=100%, O_T=0.607 s, O_Corr=1; (b) S=4%, B_T=0.244 s, B_Corr=0.93; (c) S=4%, N_T=0.178 s, N_Corr=0.92

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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

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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

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图 7. 远距离目标条纹图像重构的目标三维图。(a) S=100%, O_T=6.155 s, O_Corr=1;(b) S=4%, B_T=1.847 s, B_Corr=0.99;(c) S=4%, N_T=1.356 s, N_Corr=0.98

Fig. 7. Reconstructed target three-dimensional image from remote target streak image. (a)S=100%, O_T=6.155 s,O_Corr=1; (b) S=4%, B_T=1.847 s, B_Corr=0.99;(c) S=4%, N_T=1.356 s, N_Corr=0.98

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图 8. 远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. 8. Comparison of reconstruction effects between two methods for remote targets. (a) Reconstruction time; (b) correlation coefficient of reconstruction matrix

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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

S 100% 81% 64% 49% 36% 25% 16% 9% 4% BT /s 0.607 0.718 0.638 0.563 0.486 0.416 0.363 0.296 0.244 BCorr 1 0.9911 0.9840 0.9761 0.9625 0.9636 0.9615 0.9449 0.9296 NT /s 0.607 0.619 0.522 0.455 0.398 0.332 0.274 0.222 0.178 NCorr 1 0.9892 0.9865 0.9801 0.9641 0.9623 0.9503 0.9382 0.9150

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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

S 100% 81% 64% 49% 36% 25% 16% 9% 4% BT /s 6.155 7.494 6.100 5.234 4.982 3.659 3.458 2.413 1.847 BCorr 1 0.9978 0.9970 0.9965 0.9956 0.9941 0.9933 0.9925 0.9902 NT /s 6.155 5.987 5.122 4.410 3.730 2.984 2.402 1.829 1.358 NCorr 1 0.9985 0.9969 0.9953 0.9934 0.9913 0.9897 0.9871 0.9803

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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.