Laser & Optoelectronics Progress, Volume. 57, Issue 8, 081106(2020)
An Efficient Fourier Ptychographic Microscopy Imaging Method Based on Angle Illumination Optimization
Figures & Tables(14)
Fig. 1. Spatial position relationship in the setup. (a) Spatial position relationship and basic light path of the setup; (b) specific light path with edge rays
Fig. 3. Sketch map of synthetic aperture for full spectrum after spectrum extension
Fig. 4. Tested images. (a) Man; (b) coin; (c) icon; (d) rice; (e) X-ray image; (f) tire; (g) target; (h) aerial view; (i) text; (j) flower
Fig. 5. Dφ1 of SSIM corresponding to each image of
Fig. 6. Dφ2 of PSNR corresponding to each image of
Fig. 7. Selection method of most important LEDs following the principle of area of rhombus and four corners
Fig. 8. Comparisons of simulated results under different patterns of LED angle illumination. (a1)(a2) Original input amplitude and phase of the high-resolution object, (d1)(d2) the partial enlargement of amplitude image; (b1)(b2) recovered complex amplitude (amplitude and phase) with conventional lighting one by one using 225 LEDs, (e1)(e2) the partial enlargement of amplitude image; (c1)(c2) recovered complex amplitude (amplitude and phase) with using 57 LEDs, (f1)(f2) the partial enlargement of amplit
Fig. 10. Comparisons of experimental results under different patterns of LED angle illumination. (a) Raw data with the vertical incidence LED (the central LED) and its local magnification; (b) recovered amplitude with conventional lighting one by one using 225 LEDs and its local magnification; (c) recovered amplitude with proposed method (only using 57 LEDs) and its local magnification; (d) intensity curves of the local map of the central area
Fig. 11. Comparisons of experimental results under different patterns of LED angle illumination. (a) Raw data with the vertical incidence LED (the central LED); (b) local magnification; (c1)(c2) recovered amplitude and recovered phase with conventional lighting one by one using all 225 LEDs; (d1) (d2) recovered amplitude and recovered phase with our strategy (only using 57 LEDs)
Table 1. Comparison of objective evaluation indexes for amplitude comparison of
Fig. 8 (b1) and (c1)View tableTable 1. Comparison of objective evaluation indexes for amplitude comparison of
Fig. 8 (b1) and (c1)Method Image Number of LED PSNR SSIM GMG LS Conventional Fig.8 (b1)225 30.7260 0.8260 12.5241 68.2657 Proposed Fig.8 (c1)57 30.7044 0.8260 12.5309 68.2736
Table 2. Comparison of objective evaluation indexes for amplitude comparison of
Fig. 8 (e1), (e2), (f1), and (f2)View tableTable 2. Comparison of objective evaluation indexes for amplitude comparison of
Fig. 8 (e1), (e2), (f1), and (f2)Image Number of LED PSNR SSIM GMG LS Fig.8 (e1)225 29.3197 0.9063 16.9963 81.2069 Fig.8 (e2)26.3856 0.6558 8.9412 46.7211 Fig.8 (f1)57 29.3847 0.9082 17.0095 81.3778 Fig.8 (f2)26.4515 0.6542 8.9757 46.8287
Table 3. Comparison of objective evaluation indexes and efficiencies for
Fig. 10 View tableTable 3. Comparison of objective evaluation indexes and efficiencies for
Fig. 10 Method Image Number of LED Time /s GMG LS Conventional Fig. 10 (b)225 1498.66 12.5241 68.2657 Proposed Fig. 10 (c)57 388.79 12.5309 68.2736
Tools
Get Citation
Copy Citation Text
Tong Li, Jufeng Zhao, Haifeng Mao, Guangmang Cui, Jinxing Hu. An Efficient Fourier Ptychographic Microscopy Imaging Method Based on Angle Illumination Optimization[J]. Laser & Optoelectronics Progress, 2020, 57(8): 081106
Paper Information
Category: Imaging Systems
Received: Oct. 21, 2019
Accepted: Nov. 19, 2019
Published Online: Apr. 3, 2020
The Author Email: Jufeng Zhao (dabaozjf@hdu.edu.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20