@article{pcavaedifferentiablesubspacequantization, title = {PCA-VAE: Differentiable Subspace Quantization without Codebook Collapse}, author = {Hao Lu and Onur C. Koyun and Yongxin Guo and Zhengjie Zhu and Abbas Alili and Metin Nafi Gurcan}, year = {2026}, eprint = {2602.18904}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2602.18904}, }