4 February 2013 Automated calibration and optical testing of the AWARE-2 gigapixel multiscale camera
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Abstract
Gigapixel-class cameras present new challenges in calibration, mechanical testing, and optical performance evaluation. The AWARE-2 gigapixel camera has nearly one-hundred micro-cameras covering a 120 degree wide by 40 degree tall field of view, with one pixel spanning an 8 arcsec field angle. Viewing the imagery requires stitching the sub-images together by applying an accurate mapping of registration parameters over the entire field of view. For this purpose, a testbed has been developed to automatically calibrate and test each micro-camera in the array. Using translation stages, rotation stages, and a spatial light modulator for object space, this testbed can project any test scene into a specified micro-camera, building up image quality metrics and a registration look-up table over the entire array.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
David S. Kittle, Daniel L. Marks, David J. Brady, "Automated calibration and optical testing of the AWARE-2 gigapixel multiscale camera", Proc. SPIE 8660, Digital Photography IX, 866006 (4 February 2013); doi: 10.1117/12.2008836; https://doi.org/10.1117/12.2008836
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