@article{trajectoryguideddiffusionforforegroundpr,
  title = {Trajectory-Guided Diffusion for Foreground-Preserving Background Generation in Multi-Layer Documents},
  author = {Taewon Kang},
  year = {2026},
  eprint = {2601.21857},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.21857},
}