SPECTRA

Paper: OpenReview

GitHub: RyanKim17920/SPECTRA

Models: medarc/spectra-adapters-models

• Raised mean PathoROB robustness 0.726→0.891 and improved downstream AUC across 7 pathology foundation models by introducing SPECTRA, label-free contrastive LoRA fine-tuning (first-author paper, accepted at a NeurIPS 2026 workshop).

MedARC, 2026