Journal
NATURE PHOTONICS
Volume 13, Issue 1, Pages 13-20Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41566-018-0300-7
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Funding
- EPSRC QuantIC [EP/M01326X/1]
- ERC TWISTS [192382]
- EPSRC [EP/M01326X/1] Funding Source: UKRI
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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.
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