How Do Inpainting Artifacts Propagate to Language?

• URL: http://arxiv.org/abs/2602.20520v1
• Date: Tue, 24 Feb 2026 03:46:33 GMT
• Title: How Do Inpainting Artifacts Propagate to Language?
• Authors: Pratham Yashwante, Davit Abrahamyan, Shresth Grover, Sukruth Rao,
• Abstract summary: We study how visual artifacts introduced by diffusion-based inpainting affect language generation in vision-language models.<n>Across multiple datasets, we analyze the relationship between reconstruction fidelity and downstream caption quality.
• Score: 1.0499611180329806
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We study how visual artifacts introduced by diffusion-based inpainting affect language generation in vision-language models. We use a two-stage diagnostic setup in which masked image regions are reconstructed and then provided to captioning models, enabling controlled comparisons between captions generated from original and reconstructed inputs. Across multiple datasets, we analyze the relationship between reconstruction fidelity and downstream caption quality. We observe consistent associations between pixel-level and perceptual reconstruction metrics and both lexical and semantic captioning performance. Additional analysis of intermediate visual representations and attention patterns shows that inpainting artifacts lead to systematic, layer-dependent changes in model behavior. Together, these results provide a practical diagnostic framework for examining how visual reconstruction quality influences language generation in multimodal systems.

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