Visual attention sinks in VLM decoders are layer-dependent and can be steered

SAGE identifies prompt-invariant sinks in early and late layers and improves grounding by redirecting attention to query-relevant regions.

Academic
Jeonghyo Song · YoungJoon Yoo

Chung-Ang University

Research Digest··3 min read
The authors analyze decoder attention in vision-language models and discover that early and late layers consistently attend to the same image regions regardless of the prompt, while middle layers shift attention meaningfully.

, Qwen-VL, LLaVA, InternVL, NVILA).

Why this paper

From Chung-Ang University

In one line

SAGE improves visual grounding and reduces hallucinations by steering decoder attention away from prompt-invariant sinks in early and late layers.

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