Real-Time Visual Attribution Streaming in Thinking Model

Fuente: arXiv
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Autores principales: Kang, Seil, Han, Woojung, Kim, Junhyeok, Kim, Jinyeong, Kim, Youngeun, Hwang, Seong Jae
Formato: Preprint
Publicado: 2026
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author Kang, Seil
Han, Woojung
Kim, Junhyeok
Kim, Jinyeong
Kim, Youngeun
Hwang, Seong Jae
author_facet Kang, Seil
Han, Woojung
Kim, Junhyeok
Kim, Jinyeong
Kim, Youngeun
Hwang, Seong Jae
contents We present an amortized framework for real-time visual attribution streaming in multimodal thinking models. When these models generate code from a screenshot or solve math problems from images, their long reasoning traces should be grounded in visual evidence. However, verifying this reliance is challenging: faithful causal methods require costly repeated backward passes or perturbations, while raw attention maps offer instant access, they lack causal validity. To resolve this, we introduce an amortized approach that learns to estimate the causal effects of semantic regions directly from the rich signals encoded in attention features. Across five diverse benchmarks and four thinking models, our approach achieves faithfulness comparable to exhaustive causal methods while enabling visual attribution streaming, where users observe grounding evidence as the model reasons, not after. Our results demonstrate that real-time, faithful attribution in multimodal thinking models is achievable through lightweight learning, not brute-force computation.
format Preprint
id arxiv_https___arxiv_org_abs_2604_16587
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Real-Time Visual Attribution Streaming in Thinking Model
Kang, Seil
Han, Woojung
Kim, Junhyeok
Kim, Jinyeong
Kim, Youngeun
Hwang, Seong Jae
Computer Vision and Pattern Recognition
Artificial Intelligence
We present an amortized framework for real-time visual attribution streaming in multimodal thinking models. When these models generate code from a screenshot or solve math problems from images, their long reasoning traces should be grounded in visual evidence. However, verifying this reliance is challenging: faithful causal methods require costly repeated backward passes or perturbations, while raw attention maps offer instant access, they lack causal validity. To resolve this, we introduce an amortized approach that learns to estimate the causal effects of semantic regions directly from the rich signals encoded in attention features. Across five diverse benchmarks and four thinking models, our approach achieves faithfulness comparable to exhaustive causal methods while enabling visual attribution streaming, where users observe grounding evidence as the model reasons, not after. Our results demonstrate that real-time, faithful attribution in multimodal thinking models is achievable through lightweight learning, not brute-force computation.
title Real-Time Visual Attribution Streaming in Thinking Model
topic Computer Vision and Pattern Recognition
Artificial Intelligence
url https://arxiv.org/abs/2604.16587