Author

Xiaomeng Chu

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Jul 2026

Fine-Grained Vision-Language Pretraining with Organ-Conditioned Pattern Tokens for CT Understanding

This work proposes OCP-CT, an organ-conditioned pattern-token alignment framework for CT vision-language pretraining, which preserves a stable global CT-report contrastive branch and introduces an organ pattern interface.

Guo-Liang You, Xiaomeng Chu · arXiv.org · 0 citations

Preprint Jul 2026

Learning How Much, Not Just What: Cross-Patient Burden Order for CT Vision-Language Pretraining

Volumetric CT vision-language pretraining learns 3D representations from scan-report pairs, but global and anatomy-aware objectives supervise only correspondence: they establish what is present and leave how much unconstrained. Nothing separates a mild from an extensive case of the same finding along a consistent direc...

Guo-Liang You, Haifan Gong, Xiaomeng Chu · 0 citations