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A. Abebe

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#computer vision Preprint Aug 2026

SpanCalib-VLM: Calibrated Hallucination Span Detection in Vision-Language Models

SpanCalib-VLM is presented, a hybrid dual-system for the SHROOM-Visions Shared Task that combines a multimodal sequence tagger, consisting of XLM-RoBERTa-Large fused with a SigLIP vision encoder via cross-attention, with the fine-tuned generative VLM (Qwen3.5-4B-SHROOM-SFT).

A. Abebe, Yasmin Moslem · 0 citations