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Author

Jia-Tao Gu

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Preprint Oct 2026

InteractionBench: A Real-Time Interaction Benchmark for Streaming Video Systems

A video assistant must speak when its instruction warrants a response and stay silent otherwise. We introduce a benchmark that evaluates this decision for the complete system of model, memory, and response controller. InteractionBench covers query responses, event triggers, and ongoing updates in 1,060 interactions ove...

En-Xin Song, Su-Hao Yu, Yi-Fei Xu et al. · 0 citations
Preprint Oct 2026

Video-Index: A Curated Meta-Benchmark for Video Understanding

A video benchmark should reward the capability it claims to measure, yet models can exploit answer options, question text, or partial visual evidence. We introduce the attack pyramid, five levels of shortcut attacks with increasing access to each item, and audit 115 video benchmarks with it. On 35 benchmarks, attackers...

En-Xin Song, Yi-Nuo Xu, Shu-Sheng Yang et al. · 0 citations

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