Author

Chengyao Jia

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Preprint Aug 2026

PWLR: Pairwise Witness Local Rejection for Boundary-Aware Out-of-Distribution Detection

This work proposes Pairwise Witness Local Rejection (PWLR), which uses an MLLM offline to describe visible local cues that favor one ID class over a specific rival class, and consistently improves strong vision-language baselines across multiple backbones.

Chengyao Jia, Ruixuan Wang · 0 citations