2 papers
cs.CV2025
Enhancing Contrastive Learning for Geolocalization by Discovering Hard Negatives on Semivariograms
Boyi Chen, Zhangyu Wang, Fabian Deuser +2
Accurate and robust image-based geo-localization at a global scale is challenging due to diverse environments, visually ambiguous scenes, and the lack of distinctive landmarks in m…
cs.CV2025
Locality-Sensitive Hashing for Efficient Hard Negative Sampling in Contrastive Learning
Fabian Deuser, Philipp Hausenblas, Hannah Schieber +3
Contrastive learning is a representational learning paradigm in which a neural network maps data elements to feature vectors. It improves the feature space by forming lots with an…