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Vector-Quantization - xyfJASON #20

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xyfJASON opened this issue Apr 4, 2023 · 0 comments
Open

Vector-Quantization - xyfJASON #20

xyfJASON opened this issue Apr 4, 2023 · 0 comments

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@xyfJASON
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xyfJASON commented Apr 4, 2023

https://xyfjason.top/2023/03/29/Vector-Quantization/

VQ-VAEVQ-VAE[1] 是 Google DeepMind 在 2017 年提出的一个类 VAE 生成模型,相比普通的 VAE,它有两点不同: 隐空间是离散的,通过 VQ (Vector Quantization) 操作实现; 先验分布是学习出来的。 为什么要用离散的隐空间呢?首先,离散的表征更符合一些模态的自然属性,比如语言、语音,而图像也能用语言描述;其次,离散表征更适合推理、规划

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