光学学报, 2020, 40 (1): 0111026, 网络出版: 2020-01-06
电子式多狭缝组合编码高光谱成像系统 
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Hyperspectral Imaging System Using Electronic Multi-Slot Combination Coding
图 & 表
图 3. 二维随机编码与多狭缝组合编码对比。 (a)二维随机编码;(b)多狭缝组合编码
Fig. 3. Comparison of two-dimensional random coding and multi-slot combination coding. (a) Two-dimensional random coding; (b) multi-slot combination coding
图 5. 编码采样结果和不同采样率恢复结果。 (a)原图;(b)传统采样数据;(c)编码采样数据; (d) 20%采样恢复;(e) 50%采样恢复 (f) 80%采样恢复
Fig. 5. Coded sampling results and recovery results with different sampling rates. (a) Original image; (b) traditional sampling data; (c) coded sampling data; (d) 20% sampling recovery; (e) 50% sampling recovery; (f) 80% sampling recovery
图 6. 不同采样率下光谱恢复结果对比
Fig. 6. Comparison of spectral recovery results at different sampling rates
图 7. 不同采样率恢复结果评价。(a)空间信息恢复的pSNR;(b)光谱信息恢复的SCF
Fig. 7. Evaluation of recovery results for different sampling rates. (a) pSNR for spatial information recovery; (b) SCF for spectral information recovery
图 8. 基于液晶光阀的电子式多狭缝组合编码高光谱成像系统
Fig. 8. Electronic multi-slot combined encoding hyperspectral imaging system based on liquid crystal light valve
图 9. 实验用成像目标和实验采样结果。(a)成像目标;(b)采样结果
Fig. 9. Imaging target and sampling results used in experiment. (a) Imaging target; (b) sampling results
图 10. 不同采样率实验下的恢复结果。(a) 20%;(b) 50%;(c) 80%
Fig. 10. Recovery results of experiments with different sampling rates. (a) 20%; (b) 50%; (c) 80%
图 11. 不同位置下光谱恢复的结果。(a)位置1和位置2;(b)位置3和位置4
Fig. 11. Spectral recovery results at different positions. (a) Position 1 and position 2; (b) position 3 and position 4
图 12. 室外实验,不同采样率下的恢复结果。(a) 80%采样率下恢复的数据立方体;(b)不同采样率下位置A的光谱曲线恢复结果
Fig. 12. Recovery results under different sampling rates in outdoor experiments. (a) Data cube recovered at 80% sampling rate; (b) recovery result of spectral curve at position A under different sampling rates
表 1不同算法在不同采样率下的数字仿真结果
Table1. Digital simulation results of different algorithms under different sample rates
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刘世界, 李春来, 徐睿, 唐国良, 王建宇. 电子式多狭缝组合编码高光谱成像系统[J]. 光学学报, 2020, 40(1): 0111026. Shijie Liu, Chunlai Li, Rui Xu, Guoliang Tang, Jianyu Wang. Hyperspectral Imaging System Using Electronic Multi-Slot Combination Coding[J]. Acta Optica Sinica, 2020, 40(1): 0111026.
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