[KongchangAI]
Unverified50% confidenceFactExact time

FastBench is constructed using a trajectory-driven data pipeline, comprising four steps: generating QA from high-frame-rate clips, filtering out questions answerable at low frame rate, using SAM3 and CoTracker3 for trajectory answer verification, and three rounds of manual inspection.

1
Sources
50%
Confidence
Long-term
Relevance
10/13/2026
First Seen

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