| 10 | Zhao, Hengshuang, et al. *"Pyramid scene parsing network."* |
| 11 | """ |
| 12 | def __init__(self, in_channels, out_channels=128, sizes=(1, 2, 3, 6)): |
| 13 | super(PSPModule, self).__init__() |
| 14 | |
| 15 | convs = [] |
| 16 | for size in sizes: |
| 17 | convs.append( |
| 18 | nn.Sequential( |
| 19 | nn.AdaptiveAvgPool2d(output_size=(size, size)), |
| 20 | ConvBnAct(in_channels,out_channels,apply_act=False) |
| 21 | ) |
| 22 | ) |
| 23 | self.stages=nn.ModuleList(convs) |
| 24 | self.bottleneck=ConvBnAct(in_channels+len(sizes)*out_channels,out_channels) |
| 25 | self.dropout=nn.Dropout2d(0.1) |
| 26 | |
| 27 | def forward(self, x): |
| 28 | y=[x] |