3 papers
cs.CV2026
Wetland mapping from sparse annotations with satellite image time series and temporal-aware segment anything model
Shuai Yuan, Tianwu Lin, Shuang Chen +8
Accurate wetland mapping is essential for ecosystem monitoring, yet dense pixel-level annotation is prohibitively expensive and practical applications usually rely on sparse point…
cs.CV2026
Democratizing planetary-scale analysis: An ultra-lightweight Earth embedding database for accurate and flexible global land monitoring
Shuang Chen, Jie Wang, Shuai Yuan +15
The rapid evolution of satellite-borne Earth Observation (EO) systems has revolutionized terrestrial monitoring, yielding petabyte-scale archives. However, the immense computationa…
cs.CV2025
OCCDiff: Occupancy Diffusion Model for High-Fidelity 3D Building Reconstruction from Noisy Point Clouds
Jialu Sui, Rui Liu, Hongsheng Zhang
A major challenge in reconstructing buildings from LiDAR point clouds lies in accurately capturing building surfaces under varying point densities and noise interference. To flexib…