Improved progressive morphological filter for digital terrain model generation from airborne lidar data.
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DOI: 10.1364/ao.56.009359
Abstract: Obtaining high-precision filtering results from airborne lidar point clouds in complex environments has always been a hot topic. Mathematical morphology was widely used for filtering, owing to its simplicity and high efficiency. However, the morphology-based… read more here.
Keywords: terrain; improved progressive; morphological filter; airborne lidar ... See more keywords