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Related Experiment Video

Updated: Oct 17, 2025

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

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3D multi-plane sharpness metric maximization with variable corrective phase screens.

Matthias T Banet, James R Fienup, Jason D Schmidt

|October 6, 2021

Summary

This summary is machine-generated.

Sharpness metric maximization reconstructs aberrated images using corrective phase screens. More screens improve image quality, even when fewer than aberrating screens are used.

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Area of Science:

Optical Engineering
Image Reconstruction
Holography

Background:

Distributed-volume turbulence causes image aberrations.
Sharpness metric maximization enhances image coherence.
Digital holography captures 3D irradiance data.

Purpose of the Study:

To apply sharpness metric maximization for aberrated image reconstruction.
To investigate the effect of corrective phase screen quantity on image quality.

Main Methods:

Utilized frequency-diverse digital holography to obtain 3D irradiances.
Employed multi-plane sharpness metric maximization.
Varied the number of corrective phase screens in the digital propagation path.

Main Results:

Image reconstruction is feasible with fewer corrective screens than aberrating screens.
Increasing the number of corrective screens enhances reconstructed image quality.

Conclusions:

Sharpness metric maximization is effective for correcting turbulence-induced aberrations.
The number of corrective phase screens directly correlates with improved image reconstruction quality.