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Aerial Lifting: Neural Urban Semantic and Building Instance Lifting from Aerial Imagery
March 19, 2024, 4:49 a.m. | Yuqi Zhang, Guanying Chen, Jiaxing Chen, Shuguang Cui
cs.CV updates on arXiv.org arxiv.org
Abstract: We present a neural radiance field method for urban-scale semantic and building-level instance segmentation from aerial images by lifting noisy 2D labels to 3D. This is a challenging problem due to two primary reasons. Firstly, objects in urban aerial images exhibit substantial variations in size, including buildings, cars, and roads, which pose a significant challenge for accurate 2D segmentation. Secondly, the 2D labels generated by existing segmentation methods suffer from the multi-view inconsistency problem, especially …
abstract aerial arxiv building cs.cv images instance labels neural radiance field objects scale segmentation semantic type urban
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