Ego-R1: Chain-of-Tool-Thought for Ultra-Long Egocentric Video Reasoning

Shulin Tian, Ruiqi Wang, Hongming Guo +7

We introduce Ego-R1, a novel framework for reasoning over ultra-long (i.e., in days and weeks) egocentric videos, which leverages a structured Chain-of-Tool-Thought (CoTT) process,…