STRIDE: Training-Free Diversity Guidance via PCA-Directed Feature Perturbation in Single-Step Diffusion Models

Ankit Yadav, Arpit Garg, Ta Duc Huy +1

Distilled one-step (T=1) or few-step (T$\le$4) diffusion models enable real-time image generation but often exhibit reduced sample diversity compared to their multi-step counterpa…