12 April 2004 Subpixel jitter video restoration on board of micro-UAV
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Abstract
We review various image processing algorithms for micro-UAV EO/IR sub-pixel jitter restoration. Since the micro-UAV, Silver Fox, cannot afford isolation coupling mounting from the turbulent aerodynamics of the airframe, we explore smart real-time software to mitigate the sub-pixel jitter effect. We define jitter to be sub-pixel or small-amplitude vibrations up to one pixel, as opposed to motion blur over several pixels for which there already exists real time correction algorithms used on other platforms. We divide the set of jitter correction algorithms into several categories: They are real time, pseudo-real time, or non-real-time, but they are all standalone, i.e. without relying on a library storage or flight data basis on-board the UAV. The top of the list is demonstrated and reported here using real-world data and a truly unsupervised, real-time algorithm.
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Harold H. Szu, Harold H. Szu, James R. Buss, James R. Buss, Joseph P. Garcia, Joseph P. Garcia, Nancy A. Breaux, Nancy A. Breaux, Ivica Kopriva, Ivica Kopriva, Nicholas E. Karangelen, Nicholas E. Karangelen, M. Hsu, M. Hsu, Ting Lee, Ting Lee, Jeff Willey, Jeff Willey, Gary Shield, Gary Shield, Steve Brown, Steve Brown, R. Robbins, R. Robbins, John Hobday, John Hobday, } "Subpixel jitter video restoration on board of micro-UAV", Proc. SPIE 5439, Independent Component Analyses, Wavelets, Unsupervised Smart Sensors, and Neural Networks II, (12 April 2004); doi: 10.1117/12.563654; https://doi.org/10.1117/12.563654
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