@article{unigen15enhancingimagegenerationandediti, title = {UniGen-1.5: Enhancing Image Generation and Editing through Reward Unification in Reinforcement Learning}, author = {Rui Tian and Mingfei Gao and Haiming Gang and Jiasen Lu and Zhe Gan and Yinfei Yang and Zuxuan Wu and Afshin Dehghan}, year = {2025}, eprint = {2511.14760}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2511.14760}, }