Aberration Correction of Fourier Ptychographic Microscopy Based on Ptychographical Iterative Engine

Jinhua Zhang; Jizhou Zhang; Jianan Li; Jie Li; Yiwen Chen; Xin Wang; Shushan Wang; Tingfa Xu

doi:10.3788/AOS202141.1011001

Acta Optica Sinica, Volume. 41, Issue 10, 1011001(2021)

Aberration Correction of Fourier Ptychographic Microscopy Based on Ptychographical Iterative Engine

Jinhua Zhang^1,2, Jizhou Zhang^1,2、*, Jianan Li^1、**, Jie Li^3、***, Yiwen Chen^1,2, Xin Wang^1,2, Shushan Wang^1,2, and Tingfa Xu^1,2

Author Affiliations

¹Key Laboratory of Photoelectronic Imaging Technology and System, Ministry of Education of China, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China

²Chongqing Innovation Center, Beijing Institute of Technology, Chongqing 401120, China

³Electronic Information Engineering College, Changchun University, Changchun, Jilin 130022, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(8)

Fig. 1. Diagram of ptychographical iterative engine^[15]

Download full size

Fig. 2. Reconstruction results for different aberration coefficients. (a)--(d) Assumed coefficients for different aberrations; (e)--(h) corresponding reconstructed results

Download full size

Fig. 3. Reconstruction results for simulation images with mixed aberrations. (a)--(c) Original intensity image, phase image, and pupil function; (d)--(f) reconstruction results without updating pupil function; (g)--(i) reconstruction results with proposed method

Download full size

Fig. 4. Experimental setup. (a) Acquisition system; (b) camera; (c) control circuit; (d) LED panel

Download full size

Fig. 5. Reconstruction results for human blood cell images. (a) Original low-resolution image; (b) reconstruction results without updating pupil function; (c) reconstructed intensity image with proposed method; (d) reconstructed pupil function with proposed method

Download full size

Table 1. Assumed coefficient for different aberrations
View table
Table 1. Assumed coefficient for different aberrations
Aberration Assumed coefficient
Defocus a₄=-0.0125×(x²+y²)+0.5
Astimatism a₆=0.1×x
Coma a₈=0.125×x²
Sperical a₁₁=0.1×(x²+y²)

Table 2. Evaluation of reconstruction results from different methods
View table
Table 2. Evaluation of reconstruction results from different methods
Aberration MSE /10^-8 MAE /10^-4
EPRY Proposed EPRY Proposed
Defocus 2.266 0.893 1.505 0.936
Astimatism 3.661 4.835 1.913 1.930
Coma 4.991 6.784 1.993 2.347
Sperical 14.144 12.510 2.967 2.749

Table 3. Comparison of reconstruction results from different methods
View table
Table 3. Comparison of reconstruction results from different methods
Method PSNR /dB SSIM
Intensity Phase Pupil Intensity Phase Pupil
Traditional 23.48 18.49 7.96 0.7298 0.5812 0.3537
EPRY 32.39 24.18 35.01 0.9678 0.9614 0.9782
Proposed 32.42 24.25 40.23 0.9680 0.9621 0.9915

Tools

Get Citation

Copy Citation Text

Jinhua Zhang, Jizhou Zhang, Jianan Li, Jie Li, Yiwen Chen, Xin Wang, Shushan Wang, Tingfa Xu. Aberration Correction of Fourier Ptychographic Microscopy Based on Ptychographical Iterative Engine[J]. Acta Optica Sinica, 2021, 41(10): 1011001

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites