基于三维卷积神经网络的彩色傅里叶叠层显微术 
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Color Fourier Ptychography Microscopy Using Three-Dimensional Convolutional Neural Network
图 & 表
图 1. 基于CNN的彩色FPM算法的流程图
Fig. 1. Flow chart of color FPM algorithm based on CNN
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图 2. 所提CNN结构
Fig. 2. Structure of proposed CNN
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图 3. 不同算法的彩色重建结果。(a) HR图像;(b)彩色LR图像;(c)红色通道重建的HR图像;(d)所提算法;(e)频谱复用FPM算法[25];(f)三通道分立的FPM算法
Fig. 3. Color reconstruction results of different algorithms. (a) HR image; (b) color LR image; (c) reconstructed HR image of red channel; (d) proposed algorithm; (e) spectrum multiplexing FPM algorithm[25]; (f) three-channel separated FPM algorithm
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图 4. 以分辨率板为输入样品的数值模拟结果。(a)HR图像;(b)彩色LR图像;(c)红色通道重建的HR图像;(d)所提算法;(e)频谱复用FPM算法[25];(f)三通道分立的FPM算法
Fig. 4. Numerical simulation results of resolution target as input sample. (a) HR image; (b) color LR image; (c) reconstructed HR image of red channel; (d) proposed algorithm; (e) spectrum multiplexing FPM algorithm[25]; (f) three-channel separated FPM algorithm
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图 5. 实验系统的图像重建结果。(a)彩色LR图像;(b)所提算法;(c)频谱复用FPM算法[25];(d)三通道分立的FPM算法
Fig. 5. Image reconstruction results of experimental system. (a) Color LR image; (b) proposed algorithm; (c) spectrum multiplexing FPM algorithm[25]; (d) three-channel separated FPM algorithm
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表 1不同算法的RMSE和SSIM
Table1. RMSE and SSIM of different algorithms
| Algorithm | RMSE | SSIM |
|---|
| Three-channel separated FPM | 0.0067 | 0.9926 | | Spectrum multiplexing FPM[25] | 0.1243 | 0.9820 | | Proposed algorithm | 0.0389 | 0.9053 |
|
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表 2不同算法的RMSE和SSIM
Table2. RMSE and SSIM of different algorithms
| Algorithm | RMSE | SSIM |
|---|
| Three-channel separated FPM | 0.0318 | 0.9482 | | Spectrum multiplexing FPM[25] | 0.9698 | 0.0811 | | Proposed algorithm | 0.0789 | 0.9301 |
|
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表 3不同算法的LR图像数量和采集时间
Table3. Number of LR images and capturing time of different algorithms
| Algorithm | Number ofLR images | Capturingtime /s |
|---|
| Three-channel separated FPM | 723 | ~717 | | Spectrum multiplexing FPM[25] | 241 | ~165 | | Proposed algorithm | 243 | ~217 |
|
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张慕阳, 梁艳梅. 基于三维卷积神经网络的彩色傅里叶叠层显微术[J]. 光学学报, 2020, 40(20): 2011001. Muyang Zhang, Yanmei Liang. Color Fourier Ptychography Microscopy Using Three-Dimensional Convolutional Neural Network[J]. Acta Optica Sinica, 2020, 40(20): 2011001.
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