How I Hit 99.03% AUROC on OOD Detection Using Conditional Diffusion Models
My Master's thesis at JKU Linz (supervised by Prof. Sepp Hochreiter) introduced class-conditional separation loss into conditional diffusion models used as generative classifiers — improving out-of-distribution detection from 80.25% to 99.03% AUROC on CIFAR-10, an 18.8 percentage-point gain.