DeltaStreamer brings human-like memory and evidence replay to streaming video understanding
Boyuan Sun · hf · 2026-10-16
From Nankai University, ByteDance, IQuest Research and CAS, DeltaStreamer is an agentic framework for streaming video understanding: before queries arrive it continuously records visual changes into structured change-aware memory; when a query comes, a query-driven planner identifies needed evidence and replays targeted historical frames to recover details missed during observation. It scores 66.07% on OVO-Bench and 59.53% on StreamingBench, outperforming representative methods.
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