MillionTrees: A global benchmark for tree detection across geography, sensor, and annotation geometry
Ben G. Weinstein, Josh Veitch-Michaelis, Matt J. Allen, Adison Altamirano, Sarah Anacleto, Rasmus Astrup, James G. C. Ball, Hugo Baudchon, Sara Beery, Stephanie A. Bohlman, John Brandt, Myriam Cloutier, Simon-Olivier Duguay, Jessica Ertel, Zhengpeng Feng, , Ethan P. White
The paper introduces MillionTrees, a global benchmark dataset for airborne tree detection, showing that current models struggle to generalize across diverse data and that training on MillionTrees improves performance.
bioRxiv · Nov 2, 2026 · PreprintEcology