8 March 2013 Multi-wavelength compressive computational ghost imaging
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Abstract
The field of ghost imaging encompasses systems which can retrieve the spatial information of an object through correlated measurements of a projected light field, having spatial resolution, and the associated reflected or transmitted light intensity measured by a photodetector. By employing a digital light projector in a computational ghost imaging system with multiple spectrally filtered photodetectors we obtain high-quality multi-wavelength reconstructions of real macroscopic objects. We compare different reconstruction algorithms and reveal the use of compressive sensing techniques for achieving sub-Nyquist performance. Furthermore, we demonstrate the use of this technology in non-visible and fluorescence imaging applications.
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Stephen S. Welsh, Stephen S. Welsh, Matthew P. Edgar, Matthew P. Edgar, Phillip Jonathan, Phillip Jonathan, Baoqing Sun, Baoqing Sun, Miles J. Padgett, Miles J. Padgett, } "Multi-wavelength compressive computational ghost imaging", Proc. SPIE 8618, Emerging Digital Micromirror Device Based Systems and Applications V, 86180I (8 March 2013); doi: 10.1117/12.2003690; https://doi.org/10.1117/12.2003690
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