Restructuring Vector Quantization with The Rotation Trick

预备知识

核心思想

STE for VQ

STE 的问题

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Rotation Trick

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旋转矩阵 $R$ 的构造

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Reflection Trick

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STE vs. Rotation vs. Reflection

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Scaling Term $\|\bm{q}\| / \|\bm{z}\|$

参考文献

  1. Restructuring Vector Quantization with The Rotation Trick. ICLR, 2025. [PDF] [Code]