@article{gs4cityhierarchicalsemanticgaussiansplat,
  title = {GS4City: Hierarchical Semantic Gaussian Splatting via City-Model Priors},
  author = {Qilin Zhang and Jinyu Zhu and Olaf Wysocki and Benjamin Busam and Boris Jutzi},
  year = {2026},
  eprint = {2604.11401},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.11401},
}