2 papers
cs.CV2026
CityCode: Building Agent-Operable 3D Cities from Sparse Aerial Observations
Jiahui Sun, Ran Bi, Yifei Liu +8
Urban spatial intelligence calls for 3D cities that agents can measure, interpret, and modify across successive tasks. Maintaining such cities as persistent, code-based states requ…
cs.CV2025
DOGE: Differentiable Bezier Graph Optimization for Road Network Extraction
Jiahui Sun, Junran Lu, Jinhui Yin +3
Automatic extraction of road networks from aerial imagery is a fundamental task, yet prevailing methods rely on polylines that struggle to model curvilinear geometry. We maintain t…