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authorsoumith <soumith@gmail.com>2015-12-01 08:56:10 +0300
committersoumith <soumith@gmail.com>2015-12-01 08:56:10 +0300
commit62497562ceb4d5460b2f0f3ec2ea77b0a898473f (patch)
treecb6b6f7f3644e8bbb0f879c2c56a8988c678ed5a /VolumetricFullConvolution.lua
parent6ac61a5904cda94f83f26660b667b633217f5ccc (diff)
refactoring Deconvolution -> FullConvolution
Diffstat (limited to 'VolumetricFullConvolution.lua')
-rw-r--r--VolumetricFullConvolution.lua66
1 files changed, 66 insertions, 0 deletions
diff --git a/VolumetricFullConvolution.lua b/VolumetricFullConvolution.lua
new file mode 100644
index 0000000..e8e91e3
--- /dev/null
+++ b/VolumetricFullConvolution.lua
@@ -0,0 +1,66 @@
+local VolumetricFullConvolution, parent = torch.class('nn.VolumetricFullConvolution', 'nn.Module')
+
+function VolumetricFullConvolution:__init(nInputPlane, nOutputPlane, kT, kH, kW, dT, dH, dW, pT, pH, pW)
+ parent.__init(self)
+
+ dT = dT or 1
+ dW = dW or 1
+ dH = dH or 1
+
+ pT = pT or 0
+ pW = pW or 0
+ pH = pH or 0
+
+ self.nInputPlane = nInputPlane
+ self.nOutputPlane = nOutputPlane
+ self.kT = kT
+ self.kW = kW
+ self.kH = kH
+ self.dT = dT
+ self.dW = dW
+ self.dH = dH
+ self.pT = pT
+ self.pW = pW
+ self.pH = pH
+
+ self.weight = torch.Tensor(nOutputPlane, nInputPlane, kT, kH, kW)
+ self.bias = torch.Tensor(nOutputPlane)
+ self.gradWeight = torch.Tensor(nOutputPlane, nInputPlane, kT, kH, kW)
+ self.gradBias = torch.Tensor(nOutputPlane)
+ -- temporary buffers for unfolding (CUDA)
+ self.finput = torch.Tensor()
+ self.fgradInput = torch.Tensor()
+ self:reset()
+end
+
+function VolumetricFullConvolution:reset(stdv)
+ -- initialization of parameters
+ if stdv then
+ stdv = stdv * math.sqrt(3)
+ else
+ stdv = 1/math.sqrt(self.kT*self.kW*self.kH*self.nInputPlane)
+ end
+ if nn.oldSeed then
+ self.weight:apply(function()
+ return torch.uniform(-stdv, stdv)
+ end)
+ self.bias:apply(function()
+ return torch.uniform(-stdv, stdv)
+ end)
+ else
+ self.weight:uniform(-stdv, stdv)
+ self.bias:uniform(-stdv, stdv)
+ end
+end
+
+function VolumetricFullConvolution:updateOutput(input)
+ return input.nn.VolumetricFullConvolution_updateOutput(self, input)
+end
+
+function VolumetricFullConvolution:updateGradInput(input, gradOutput)
+ return input.nn.VolumetricFullConvolution_updateGradInput(self, input, gradOutput)
+end
+
+function VolumetricFullConvolution:accGradParameters(input, gradOutput, scale)
+ return input.nn.VolumetricFullConvolution_accGradParameters(self, input, gradOutput, scale)
+end