Principles and prospects for single-pixel imaging

Edgar, M. P., Gibson, G. M. and Padgett, M. J. (2019) Principles and prospects for single-pixel imaging. Nature Photonics, 13, pp. 13-20. (doi: 10.1038/s41566-018-0300-7)

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Modern digital cameras employ silicon focal plane array (FPA) image sensors featuring millions of pixels. However, it is possible to make a camera that only needs one pixel. In these cameras a spatial light modulator, placed before or after the object to be imaged, applies a time-varying pattern and synchronized intensity measurements are made with a single-pixel detector. The principle of compressed sensing then allows an image to be generated. As the approach suits a wide a variety of detector technologies, images can be collected at wavelengths outside the reach of FPA technology or at high frame rates or in three dimensions. Promising applications include the visualization of hazardous gas leaks and 3D situation awareness for autonomous vehicles.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Gibson, Dr Graham and Edgar, Dr Matthew and Padgett, Professor Miles
Authors: Edgar, M. P., Gibson, G. M., and Padgett, M. J.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Nature Photonics
Publisher:Nature Research
ISSN (Online):1749-4893
Published Online:03 December 2018

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
6672319UK Quantum Technology Hub in Enhanced Quantum ImagingMiles PadgettEngineering and Physical Sciences Research Council (EPSRC)EP/M01326X/1S&E P&A - PHYSICS & ASTRONOMY
624501TWISTS - Twists & more: the complex shape of lightMiles PadgettEuropean Research Council (ERC)340507S&E P&A - PHYSICS & ASTRONOMY