@article{starspatiotemporaladaptiverewardallocati,
  title = {STAR: SpatioTemporal Adaptive Reward Allocation for Text-to-Image RL Post-Training},
  author = {Jinjie Shen and Wei Deng and Xian Hu and Daiguo Zhou and Jian Luan},
  year = {2026},
  eprint = {2606.17979},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.17979},
}