Fast full-color computational imaging with single-pixel detectors

Welsh, S.S. and Edgar, M.P. and Bowman, R. and Jonathan, P. and Sun, B. and Padgett, M.J. (2013) Fast full-color computational imaging with single-pixel detectors. Optics Express, 21 (20). pp. 23068-23074. ISSN 1094-4087

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Abstract

Single-pixel detectors can be used as imaging devices by making use of structured illumination. These systems work by correlating a changing incident light field with signals measured on a photodiode to derive an image of an object. In this work we demonstrate a system that utilizes a digital light projector to illuminate a scene with approximately 1300 different light patterns every second and correlate these with the back scattered light measured by three spectrally-filtered single-pixel photodetectors to produce a full-color high-quality image in a few seconds of data acquisition. We utilize a differential light projection method to self normalize the measured signals, improving the reconstruction quality whilst making the system robust to external sources of noise. This technique can readily be extended for imaging applications at non-visible wavebands. © 2013 Optical Society of America.

Item Type:
Journal Article
Journal or Publication Title:
Optics Express
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3107
Subjects:
ID Code:
133063
Deposited By:
Deposited On:
22 Apr 2019 14:10
Refereed?:
Yes
Published?:
Published
Last Modified:
20 Sep 2020 05:30