Learning Geometric Representations from Videos for Spatial Intelligent Multimodal Large Language Models
Researchers introduce GeoVR, a framework that enhances multimodal large language models with 3D spatial awareness by learning geometric representations from 2D video sequences. Using four complementary geometric targets including camera pose estimation, depth mapping, and 3D feature distillation, the approach achieves state-of-the-art performance on spatial reasoning benchmarks without requiring large-scale 3D training data.