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cs.CV2026
AEF-Econ: Toward Plug-and-Play Socioeconomic Foundation Embeddings from AlphaEarth for Urban Remote Sensing
Shuyang Hou, Ziqi Liu, Haoyue Jiao +7
AlphaEarth Foundations (AEF) unify global remote sensing foundation embeddings through multimodal self-supervised learning, but their pretraining focuses on physical land-surface s…
cs.CV2026
Slum Detection and Density Mapping with AlphaEarth Foundations: A Representation Learning Evaluation Across 12 Global Cities
Shuyang Hou, Ziqi Liu, Haoyue Jiao +7
Pixel-level slum mapping has long been constrained by limited cross-city generalisation, the absence of continuous density estimation, and weak global comparability. AlphaEarth Fou…
cs.DB2026
GP-Tree: An in-memory spatial index combining adaptive grid cells with a prefix tree for efficient spatial querying
Xiangyang Yang, Xuefeng Guan, Lanxue Dang +4
Efficient spatial indexing is crucial for processing large-scale spatial data. Traditional spatial indexes, such as STR-Tree and Quad-Tree, organize spatial objects based on coarse…