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FPM

Matlab code implements Fourier ptychography reconstruction algorithm from a set of images captured under different illumination angles (e.g. in an LED array microscope), using either sequential or multiplexed coded illumination. The algorithm simultaneously estimates the complex object function (amplitude + phase) withhigh resolution (defined by objective NA+illumination NA) and the pupil function (aberrations). It implements a sequential quasi-Newton’s method with Tikhonov (L2) regularization.

Dependency:

  1. Nature-order filename sort

Paper:

Please cite as:

L. Tian, X. Li, K. Ramchandran, and L. Waller, “Multiplexed coded illumination for Fourier ptychography with an LED array microscope,” Biomedical Optics Express 5, 2376-2389 (2014).

Paper Link

Data:

Sample data can be found here.

Updates:

06/28/2021:

  1. Added first version of code to repo.

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