From f97190403a06c31a66431049ba6e9a0e3b565875 Mon Sep 17 00:00:00 2001 From: SunAhong1993 <48579383+SunAhong1993@users.noreply.github.com> Date: Mon, 8 Apr 2019 21:16:40 +0800 Subject: [PATCH] Update LRN.md --- caffe2fluid/doc/LRN.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/caffe2fluid/doc/LRN.md b/caffe2fluid/doc/LRN.md index a5005db..e317689 100644 --- a/caffe2fluid/doc/LRN.md +++ b/caffe2fluid/doc/LRN.md @@ -37,11 +37,11 @@ PaddlePaddle:默认且仅支持`ACROSS_CHANNELS`模式。 #### 计算机制 Caffe:在`ACROSS_CHANNELS`模式下,计算公式如下, -$$output(i,x,y)=input(i,x,y)/(1+\frac{\alpha}{n}\sum_{j=max(0,i-\frac{n}{2})}^{min(C,i+\frac{n}{2}}{input(j,x,y)^2})^\beta$$ +$$output(i,x,y)=input(i,x,y)/(1+\frac{\alpha}{n}\sum_{j=max(0,i-\frac{n}{2})}^{min(C,i+\frac{n}{2})}{input(j,x,y)^2})^\beta$$ 位移值固定为1,计算缩放参数的同时除以通道数目 PaddlePaddle: 计算机制: -$$output(i,x,y)=input(i,x,y)/(k+\alpha\sum_{j=max(0,i-\frac{n}{2})}^{min(C,i+\frac{n}{2}}{input(j,x,y)^2})^\beta$$ +$$output(i,x,y)=input(i,x,y)/(k+\alpha\sum_{j=max(0,i-\frac{n}{2})}^{min(C,i+\frac{n}{2})}{input(j,x,y)^2})^\beta$$ 能通过设置k来定义位移数。 -- GitLab