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Digital cameras

Pixel power

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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Figure 1: Schematic diagram of the measurement set-up.


Figure 2: Single-pixel image of a baboon.



  1. 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).

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