initial revamp of torch7 tree

1 files changed, 32 insertions, 0 deletions

diff --git a/SpatialLPPooling.lua b/SpatialLPPooling.lua
new file mode 100644
index 0000000..9b9c87d
--- /dev/null
+++ b/SpatialLPPooling.lua
@@ -0,0 +1,32 @@
+local SpatialLPPooling, parent = torch.class('nn.SpatialLPPooling', 'nn.Sequential')
+
+function SpatialLPPooling:__init(nInputPlane, pnorm, kW, kH, dW, dH)
+   parent.__init(self)
+
+   dW = dW or kW
+   dH = dH or kH
+   
+   self.kW = kW
+   self.kH = kH
+   self.dW = dW
+   self.dH = dH
+
+   self.nInputPlane = nInputPlane
+   self.learnKernel = learnKernel
+
+   if pnorm == 2 then
+      self:add(nn.Square())
+   else
+      self:add(nn.Power(pnorm))
+   end
+   self:add(nn.SpatialConvolutionMap(nn.tables.oneToOne(nInputPlane), kW, kH, dW, dH))
+   if pnorm == 2 then
+      self:add(nn.Sqrt())
+   else
+      self:add(nn.Power(1/pnorm))
+   end
+
+   self:get(2).bias:zero()
+   self:get(2).weight:fill(1/(kW*kH))
+   self:get(2).accGradParameters = nil
+end