一作SIGIR 2026Oral· Information Retrieval (Full)
Agentic Spatio-Temporal Grounding via Collaborative Reasoning
Heng Zhao · Yew-Soon Ong · Joey Tianyi Zhou
摘要
Spatio-Temporal Video Grounding (STVG) aims to retrieve the spatio-temporal tube of a target object or person in a video given a text query. Most existing approaches perform frame-wise spatial localization within a predicted temporal span, resulting in redundant computation, heavy supervision req...