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anatomy-aware alignment 1contrastive learning 1large language model encoders 1medical vision-language pretraining 1zero-shot disease classification 1

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cs.CV2026

SCALPEL: Semantic Cross-modal Alignment via LLM-Powered Encoder Learning for Medical Vision-Language Representation

Yunzhan Fu, Enyu Bao, Xiangyu Shen +4

The paper introduces SCALPEL, a framework that fine‑tunes a generative medical LLM into an isotropic encoder and uses an asymmetric, anatomy‑negation‑aware contrastive objective to…