Joint Reward Modeling Improves Vision-Language Evaluation
Researchers led by Yankai Yang (submitted Feb 7, 2026) introduce Joint Reward Modeling (JRM), which jointly trains preference learning and language modeling on a shared vision-language backbone to evaluate image-editing outputs more efficiently. JRM internalizes generative models' semantic reasoning into discriminative representations, achieves state-of-the-art results on MMRB2 and EditReward-Bench, and improves stability and performance in downstream online reinforcement learning.
Scoring Rationale
Strong methodological novelty and state-of-the-art empirical results, tempered by being a single arXiv preprint without peer review.
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