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Punching holes in light: recent progress in single-shot coded-aperture optical imaging.

Jinyang Liang¹

¹Laboratory of Applied Computational Imaging, Centre Énergie Matériaux Télécommunications, Institut National de la Recherche Scientifique, 1650 boulevard Lionel-Boulet, Varennes, Québec J3X1S2, Canada.

Reports on Progress in Physics. Physical Society (Great Britain)

|October 30, 2020

Summary

This review covers single-shot coded-aperture optical imaging, a technique that captures and computationally reconstructs images in one exposure. It categorizes advancements into six modalities, highlighting methods and applications.

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Area of Science:

Optics and Photonics
Computational Imaging

Background:

Single-shot coded-aperture optical imaging combines hardware (coded aperture) and software (computational reconstruction) for image acquisition.
This hybrid imaging technique has seen rapid advancements and diverse applications across physical, chemical, and biological sciences.

Purpose of the Study:

To provide a comprehensive review of state-of-the-art single-shot coded-aperture optical imaging techniques.
To categorize existing methods based on detected photon tags and discuss their principles, applications, and challenges.

Main Methods:

Categorization of single-shot coded-aperture optical imaging into six modalities: planar, depth, light-field, temporal, spectral, and polarization imaging.
Analysis of active-encoding and passive-encoding approaches within each category, detailing their methodologies, applications, advantages, and limitations.

Main Results:

A structured overview of current techniques in single-shot coded-aperture optical imaging.
Identification of representative examples for active and passive encoding strategies in each imaging modality.

Conclusions:

The review highlights the significant progress and broad applicability of single-shot coded-aperture optical imaging.
Future prospects for technical advancements in this rapidly evolving field are discussed.