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Sci Rep. 2015 May 22;5:10669. doi: 10.1038/srep10669.

Simultaneous real-time visible and infrared video with single-pixel detectors.

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SUPA, School of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, UK.
Department of Physics, Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, UK.


Conventional cameras rely upon a pixelated sensor to provide spatial resolution. An alternative approach replaces the sensor with a pixelated transmission mask encoded with a series of binary patterns. Combining knowledge of the series of patterns and the associated filtered intensities, measured by single-pixel detectors, allows an image to be deduced through data inversion. In this work we extend the concept of a 'single-pixel camera' to provide continuous real-time video at 10 Hz , simultaneously in the visible and short-wave infrared, using an efficient computer algorithm. We demonstrate our camera for imaging through smoke, through a tinted screen, whilst performing compressive sampling and recovering high-resolution detail by arbitrarily controlling the pixel-binning of the masks. We anticipate real-time single-pixel video cameras to have considerable importance where pixelated sensors are limited, allowing for low-cost, non-visible imaging systems in applications such as night-vision, gas sensing and medical diagnostics.

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