激光与光电子学进展, 2018, 55 (12): 121103, 网络出版: 2019-08-01
彩色偏振成像目标-背景对比度增强方法研究 
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Method for Target-Background Contrast Enhancement Based on Color Polarization Imaging
图 & 表
图 1. 水的折射率和偏振度随波长的变化曲线。(a)折射率;(b)偏振度
Fig. 1. Index of refraction of water and degree of polarization versus wavelength. (a) Index of refraction; (b) degree of polarization
图 2. SiO2的折射率和偏振度随波长的变化曲线。(a)折射率;(b)偏振度
Fig. 2. Index of refraction of SiO2 and degree of polarization versus wavelength. (a) Index of refraction; (b) degree of polarization
图 5. 实验一采集的偏振参数图像。(a) I0;(b) I45;(c) I90;(d) I135
Fig. 5. Polarization images collected in experimental 1. (a) I0; (b) I45; (c) I90; (d) I135
图 6. 实验一不同通道偏振度图像。(a) R;(b) G;(c) B
Fig. 6. Polarization images within different channels in experiment 1. (a) R; (b) G; (c) B
图 7. 实验一所得图像。(a)彩色原图;(b)合成的彩色偏振图像;(c)阈值为0.2的彩色偏振图像
Fig. 7. Images obtained in experiment 1. (a) Original color image; (b) synthesized color polarization image; (c) color polarization image with threshold of 0.2
图 8. 实验二采集的偏振参数图像。 (a) I0;(b) I45;(c) I90;(d) I135
Fig. 8. Polarization images collected in experimental 2. (a) I0; (b) I45; (c) I90; (d) I135
图 9. 实验二不同通道偏振度图像。(a) R;(b) G;(c) B
Fig. 9. Polarization images within different channels in experiment 2. (a) R; (b) G ; (c) B
表 1各组实验的原图与偏振图像矢量角距离和对比度计算
Table1. Vector-angle distance and contrast between original and polarization images for each group of experiments
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李欣, 高明, 冯斌. 彩色偏振成像目标-背景对比度增强方法研究[J]. 激光与光电子学进展, 2018, 55(12): 121103. Xin Li, Ming Gao, Bin Feng. Method for Target-Background Contrast Enhancement Based on Color Polarization Imaging[J]. Laser & Optoelectronics Progress, 2018, 55(12): 121103.
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