Video models detect temporal order internally, then let the signal fade

A training-free intervention preserves temporal information that emerges in intermediate layers but weakens before prediction.

Top University
Youngwoo Shin · Yusung Ro · Minseo Kim · Junmo Kim

Korea Advanced Institute of Science and Technology (KAIST)

Research Digest··3 min read
Shin et al.

The authors paired each video with a version whose frames were reversed, preserving visual content and text while changing temporal order.

Why this paper

From Korea Advanced Institute of Science and Technology (KAIST)

In one line

Temporal information in VideoLLMs peaks in intermediate layers and fades before output, and reinjecting it improves temporal reasoning without training.

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