E²PO uses embedding-level perturbations to maintain intra-group variance and discriminative signal in RL-based preference optimization for generative flow models.
Geneval: An object-focused framework for evaluating text-to- image alignment.Advances in Neural Information Processing Systems, 36:52132–52152, 2023
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Embedding-perturbed Exploration Preference Optimization for Flow Models
E²PO uses embedding-level perturbations to maintain intra-group variance and discriminative signal in RL-based preference optimization for generative flow models.