Canopy Height Maps v2: Meta AI's DINOv3-powered global forest mapping
Summary
Canopy Height Maps v2 (CHMv2) is an open-source forest mapping model from Meta AI, built on a DINOv3 backbone and World Resources Institute collaboration. It delivers higher accuracy and global consistency for canopy height estimation, enabling better forest monitoring, restoration planning, and carbon accounting. The project expands training data with diverse lidar examples and provides access to models and visualization tools for researchers and policymakers.