Jaykin

摘要： Iterative Quantization目标函数：\[\begin{array}{c}\mathcal{I}(W)=\sum_{k} var(h_{k}({\bf x}))=\sum_{k} var( sgn(({\bf xw})_k))\\\frac{1}{n}B^TB=I\end{array}\]放松约束：\[\begin{array}{c}\widetilde{\mathcal{I}}(W)=\sum_k \mathbb{E}(\lVert {\bf xw}_{k}\rVert_2^2)\\=\frac{1}{n}tr(W^TX^TXW), W^TW=I\end{array}\]RR 阅读全文