激光与光电子学进展, 2020, 57 (20): 201106, 网络出版: 2020-10-17
基于逐点补偿方法的动态散射成像 
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Computational Ghost Imaging Using a Dynamic Scattering Medium by the Point-by-Point Compensation Method
图 & 表
图 3. 使用PPC方法对前20个光强值进行拟合。(a)散射介质浓度缓变情况下的光强拟合;(b)散射介质浓度陡变情况下的光强拟合
Fig. 3. Fitting of the first 20 light intensity values with PPC method. (a) Light intensity with slow change of concentration of scattering media; (b) light intensity with steep change of concentration of scattering media
图 5. 通过不同状态散射介质后的强度测量值。(a)通过静态散射介质;(b)通过动态散射介质
Fig. 5. Intensity measurements after scattering media in different states. (a) Through static scattering media; (b) through dynamic scattering media
图 6. 通过不同状态散射介质后的重建图像。(a)通过静态散射介质;(b)通过动态散射介质
Fig. 6. Reconstructed images through different scattering media. (a) Through static scattering media; (b) through dynamic scattering media
图 7. 使用PPC方法进行还原。(a)使用PPC方法校正后的测量值;(b)使用PPC方法还原的图像
Fig. 7. Image restoration based on the PPC method. (a) Corrected measurements using PPC method; (b) reconstructed image using PPC method
图 8. 测量次数不同时的重建图像对比。(a) 1000;(b) 3000;(c) 5000;(d) 8000
Fig. 8. Comparison of reconstructed images with different measurement times. (a) 1000; (b) 3000; (c) 5000; (d) 8000
图 9. PPC方法与TVAL3方法重建图像PSNR与测量次数的关系
Fig. 9. PSNR values under PPC and TVAL3 versus the total measurement times
图 10. 不同方差的乘性噪声下重建图像。(a) PPC方法重建图像;(b) TVAL3方法重建图像
Fig. 10. Reconstructed images under multiplexing noise with different variances. (a) Reconstructed images by PPC method; (b) reconstructed images by TVAL3 method
胡洋頔, 程正东, 梁振宇, 翟翔. 基于逐点补偿方法的动态散射成像[J]. 激光与光电子学进展, 2020, 57(20): 201106. Yangdi Hu, Zhengdong Cheng, Zhenyu Liang, Xiang Zhai. Computational Ghost Imaging Using a Dynamic Scattering Medium by the Point-by-Point Compensation Method[J]. Laser & Optoelectronics Progress, 2020, 57(20): 201106.
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