@article{activationmatterstesttimeactivatednegati,
  title = {Activation Matters: Test-time Activated Negative Labels for OOD Detection with Vision-Language Models},
  author = {Yabin Zhang and Maya Varma and Yunhe Gao and Jean-Benoit Delbrouck and Jiaming Liu and Chong Wang and Curtis Langlotz},
  year = {2026},
  eprint = {2603.25250},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.25250},
}