Fig. 1. Schematic for macroscopic Fourier ptychography imaging. (a) Lightpath and device; (b) aperture scanning

Fig. 2. Flowchart of reconstruction process of Fourier ptychography imaging

Fig. 3. Experimental setup for Fourier ptychography imaging

Fig. 4. Fourier ptychography datasets for USAF target collected by different apertures. (a) Collected by circular aperture; (b) collected by square aperture

Fig. 5. USAF resolution board details. (a) Fourier ptychography details collected by circular aperture; (b) Fourier ptychography details collected by square aperture; (c) gray image with line width of 88.39 μm; (d) gray image with line width of 78.75 μm; (e) gray image with line width of 70.15 μm; (f) schematic of line width

Fig. 6. Reconstruction results for USAF target. (a) Reconstruction results based on circular aperture; (b) reconstruction results based on square aperture; (c) partial enlargement of Fig. 6(a); (d) partial enlargement of Fig. 6(b)

Fig. 7. Comparison of gray images on baseline. (a) Comparison of gray images with 88.39 μm line width; (b) comparison of gray images with 39.37 μm line width; (c) comparison of gray images with 31.25 μm line width

Fig. 8. Square aperture restoration image in small dynamic range