@article{groupwiseoptimizationforselfextensibleco,
  title = {Group-Wise Optimization for Self-Extensible Codebooks in Vector Quantized Models},
  author = {Hong-Kai Zheng and Piji Li},
  year = {2025},
  eprint = {2510.13331},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2510.13331},
}