3 papers
cs.CV2026
OmniOVCD: Streamlining Open-Vocabulary Change Detection with SAM 3
Xu Zhang, Danyang Li, Yingjie Xia +4
Change Detection (CD) is a fundamental task in remote sensing. It monitors the evolution of land cover over time. Based on this, Open-Vocabulary Change Detection (OVCD) introduces…
cs.CV2026
Bridging Semantics and Geometry: A Decoupled LVLM-SAM Framework for Reasoning Segmentation in Optical Remote Sensing
Xu Zhang, Junyao Ge, Yang Zheng +2
Large Vision--Language Models (LVLMs) hold great promise for advancing optical remote sensing (RS) analysis, yet existing reasoning segmentation frameworks couple linguistic reason…
cs.CV2025
UniChange: Unifying Change Detection with Multimodal Large Language Model
Xu Zhang, Danyang Li, Xiaohang Dong +5
Change detection (CD) is a fundamental task for monitoring and analyzing land cover dynamics. While recent high performance models and high quality datasets have significantly adva…