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UAV detection via acoustic imaging using dense beamformed energy maps and U-Net SELD, a novel approach to 360° acoustic source localization. This method formulates the task as a spherical semantic segmentation problem, differing from traditional discrete direction-of-arrival angle regression. The proliferation of such techniques signals an industry shift towards more sophisticated, real-time monitoring and detection systems, potentially making obsolete traditional surveillance methods.
“arXiv:2508.00307v4 Announce Type: replace-cross Abstract: We introduce a U-net model for 360{\deg} acoustic source localization formulated as a spherical semantic segmentation task. Rather than regressing discrete direction-of-arrival (DoA)…”
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U-Net SELD, arXiv:2508.00307v4
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Jul 28, 2026