Capturing images with a digital camera that has just a single pixel may sound implausible, but that's exactly what US researchers have achieved. Such devices may soon offer a memory-efficient alternative to conventional megapixel digital cameras.
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Wakin, M. B. et al. IEEE Int. Conf. Image Processing, Atlanta 1273–1276 (2006).
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Graham-Rowe, D. Pixel power. Nature Photon 1, 211–212 (2007). https://doi.org/10.1038/nphoton.2007.41
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DOI: https://doi.org/10.1038/nphoton.2007.41
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