Baraniuk and his team recognized that an emerging field of information
theory, called "compressive sensing," offered an alternative approach
to conventional image acquisition and compression. Developed by
researchers at Caltech, Stanford, the University of California, Los
Angeles, and Rice, the technology is based on the idea that datasets,
such as those that represent images or signals, often contain a
significant amount of structure. When this structure is known, it can
be used to extrapolate the image or signal when there's only a limited
amount of available data. This concept of compressive sensing underlies
the software for the researchers' digital camera.
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