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Hyperbolic Active Learning for Semantic Segmentation under Domain Shift
Feb. 29, 2024, 5:46 a.m. | Luca Franco, Paolo Mandica, Konstantinos Kallidromitis, Devin Guillory, Yu-Teng Li, Trevor Darrell, Fabio Galasso
cs.CV updates on arXiv.org arxiv.org
Abstract: We introduce a hyperbolic neural network approach to pixel-level active learning for semantic segmentation. Analysis of the data statistics leads to a novel interpretation of the hyperbolic radius as an indicator of data scarcity. In HALO (Hyperbolic Active Learning Optimization), for the first time, we propose the use of epistemic uncertainty as a data acquisition strategy, following the intuition of selecting data points that are the least known. The hyperbolic radius, complemented by the widely-adopted …
abstract active learning analysis arxiv cs.ai cs.cv data domain halo interpretation leads network neural network novel optimization pixel segmentation semantic shift statistics type
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