2 papers
cs.CV2026
DPG-CD: Depth-Prior-Guided Cross-Modal Joint 2D-3D Change Detection
Luqi Zhang, Zhen Dong, Bisheng Yang
Urban spatial evolution is manifested not only through horizontal expansion but also through vertical structural changes. Consequently, jointly capturing 2D semantic changes and 3D…
cs.CV2025
ME-CPT: Multi-Task Enhanced Cross-Temporal Point Transformer for Urban 3D Change Detection
Luqi Zhang, Haiping Wang, Chong Liu +2
The point clouds collected by the Airborne Laser Scanning (ALS) system provide accurate 3D information of urban land covers. By utilizing multi-temporal ALS point clouds, semantic…