Beyond Stationarity: Rethinking Codebook Collapse in Vector Quantization

arXiv:2602.18896v1 Announce Type: new Abstract: Vector Quantization (VQ) underpins many modern generative frameworks such as VQ-VAE, VQ-GAN, and latent diffusion models. Yet, it suffers from the persistent problem of codebook collapse, where a large fraction of code vectors remains unused during tr…

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