Principle:AUTOMATIC1111 Stable diffusion webui VQ VAE Quantization
Definition
Vector quantization layer for VQ-VAE latent space discretization.
Motivation
Vector quantization maps continuous latent representations to a fixed codebook of discrete embeddings, which is essential for VQ-VAE models to maintain a structured and compact latent space. This discretization step enables efficient storage, retrieval, and manipulation of latent codes within the image generation and upscaling pipelines.
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