natanielruiz
2017-10-30 b730bbd6ea565d7689964661c53a6074654b5d3b
code/hopenet.py
@@ -4,41 +4,6 @@
import math
import torch.nn.functional as F
# CNN Model (2 conv layer)
class Simple_CNN(nn.Module):
    def __init__(self):
        super(Simple_CNN, self).__init__()
        self.layer1 = nn.Sequential(
            nn.Conv2d(3, 64, kernel_size=3, padding=0),
            nn.BatchNorm2d(64),
            nn.ReLU(),
            nn.MaxPool2d(2))
        self.layer2 = nn.Sequential(
            nn.Conv2d(64, 128, kernel_size=3, padding=0),
            nn.BatchNorm2d(128),
            nn.ReLU(),
            nn.MaxPool2d(2))
        self.layer3 = nn.Sequential(
            nn.Conv2d(128, 256, kernel_size=3, padding=0),
            nn.BatchNorm2d(256),
            nn.ReLU(),
            nn.MaxPool2d(2))
        self.layer4 = nn.Sequential(
            nn.Conv2d(256, 512, kernel_size=3, padding=0),
            nn.BatchNorm2d(512),
            nn.ReLU(),
            nn.MaxPool2d(2))
        self.fc = nn.Linear(17*17*512, 3)
    def forward(self, x):
        out = self.layer1(x)
        out = self.layer2(out)
        out = self.layer3(out)
        out = self.layer4(out)
        out = out.view(out.size(0), -1)
        out = self.fc(out)
        return out
class Hopenet(nn.Module):
    # This is just Hopenet with 3 output layers for yaw, pitch and roll.
    def __init__(self, block, layers, num_bins, iter_ref):
@@ -122,7 +87,7 @@
        # angles predicts the residual
        for idx in xrange(self.iter_ref):
            angles.append(self.fc_finetune(torch.cat((preangles, x), 1)))
            angles.append(self.fc_finetune(torch.cat((angles[idx], x), 1)))
        return pre_yaw, pre_pitch, pre_roll, angles