NormFace

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Question regarding a part of the paper

7

Can I know why "From the geometric perspective, ...normal vector x"? Also, I can't quite understand your figure 4 too. Why $\frac{\partial L}{\partial \bar{x}}$ points in the south east direction?...

yxchng

你好happynear，如果有时间的话能否解释一下PCA在训练和测试中怎么用？

westnight

关于normface公式（4）求x的梯度

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对梯度的求解不理解，还有在附录部分关于推导的中间过程感觉是不是写错了，貌似结果是对的，求大神解释，谢谢！

xuezhongcailian

Hi Happynear, your caffe's cool ! my Q is: why you put 100 pics into input data layer in norm face? Something to do with 'mirror face trick'? Noticed that...

Arthur77Wang

combine with sphereface

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@happynear hi, how can i combine the normface with sphereface, could you give me some help?

xizi