18 May 2006 FPGA-based processor for high frame-rate target detection on cluttered backgrounds using LVASI sensors
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Abstract
In our previous papers, the FPGA-based processing package and the co-processor board have been introduced for numerous commercial and military applications including motion detection, optical flow, background velocimetry, and target tracking. The processing package is being continually upgraded by new point- and area-applied algorithms for a variety of real-time digital video camera systems including foveal sensors based on Nova's Variable Acuity Superpixel Imager (VASITM) and Large Format VASITM (LVASITM) technologies. This paper demonstrates the FPGA-based processor for high frame-rate target detection in a cluttered background using variable acuity sensors. For the 1024 x 1024 pixel LVASITM Focal Plane Array (FPA), the proposed target-detection algorithm increases the frame rate from 4 Hz for the full resolution mode up to 450 Hz for the foveal mode while maintaining full field of view and target-detection performances on cluttered backgrounds that are comparable with detection performances at the full resolution mode.
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Vladimir I. Ovod, Vladimir I. Ovod, Christopher R. Baxter, Christopher R. Baxter, Mark A. Massie, Mark A. Massie, Nicholas I. Rummelt, Nicholas I. Rummelt, Paul L. McCarley, Paul L. McCarley, } "FPGA-based processor for high frame-rate target detection on cluttered backgrounds using LVASI sensors", Proc. SPIE 6206, Infrared Technology and Applications XXXII, 62061W (18 May 2006); doi: 10.1117/12.666798; https://doi.org/10.1117/12.666798
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