Fig. 1. Schematic diagram of Fourier ptychography module

Fig. 2. Recovery results using traditional FP with positional error and without positional error. （a1）-（a3） are the captured low-resolution image，the recovered high-resolution amplitude image ，and the recovered high-resolution phase distribution without positional misalignment； （b1）-（b3） are the captured low-resolution image，the recovered high-resolution amplitude image， and the recovered high-resolution phase distribution with positional misalignment； （c）the frequency apertures’ positions in the Fourier domain.

Fig. 3. Flow chart of CPSO

Fig. 4. Simulation results of different correction methods.（a1） Ideal high-resolution amplitude image；（a2） Ideal high-resolution phase image；（b1）-（b3） Traditional FP method；（c1）-（c3）pcPIE method；（d1）-（d3） BF+SC method；（e1）-（e3） CPSO method

Fig. 5. Recover apertures’ positions of different methods in same misalignment condition

Fig. 6. Simulation results for resolution chart

Fig. 7. Recover apertures’ positions of different methods in same misalignment condition

Fig. 8. Reconstruction results of different algorithms using experiment data sets

Fig. 9. Pixel distribution curve of red lines in reconstructed images

Table 1. Objective evaluation results of reconstructed amplitude and phase images with different methods

Table 2. Objective evaluation results of reconstructed amplitude images with different methods

Table 3. Running time of different methods