Robustness of Planar Fourier Capture Arrays to Colour Changes and Lost Pixels

Details Robustness of Planar Fourier Capture Arrays to Colour Changes and Lost Pixels Robustness of Planar Fourier Capture Arrays to Colour Changes and Lost Pixels

2011-11-19

arxiv.org/abs/1111.4524v2

Physics

Optics

15 pages including cover page, 12 figures, associated with the 9th International Conference on Position Sensitive Detectors

Scientific paper

10.1088/1748-0221/7/01/C01061

Planar Fourier capture arrays (PFCAs) are optical sensors built entirely in standard microchip manufacturing flows. PFCAs are composed of ensembles of angle sensitive pixels (ASPs) that each report a single coefficient of the Fourier transform of the far-away scene. Here we characterize the performance of PFCAs under the following three non-optimal conditions. First, we show that PFCAs can operate while sensing light of a wavelength other than the design point. Second, if only a randomly-selected subset of 10% of the ASPs are functional, we can nonetheless reconstruct the entire far-away scene using compressed sensing. Third, if the wavelength of the imaged light is unknown, it can be inferred by demanding self-consistency of the outputs.

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