Add init weights for hrnet_contrast (PaddlePaddle#1746)

Author: juncaipeng

paddleseg/models/hrnet_contrast.py

@@ -40,6 +40,7 @@ class HRNetW48Contrast(nn.Layer):
             e.g. 1024x512, otherwise it is True, e.g. 769x769. Default: False.
         pretrained (str, optional): The path or url of pretrained model. Default: None.
     """
+
     def __init__(self,
                  in_channels,
                  num_classes,
@@ -54,23 +55,23 @@ def __init__(self,
         self.num_classes = num_classes
         self.proj_dim = proj_dim
         self.align_corners = align_corners
-        self.pretrained = pretrained
 
         self.cls_head = nn.Sequential(
-            layers.ConvBNReLU(in_channels,
-                              in_channels,
-                              kernel_size=3,
-                              stride=1,
-                              padding=1),
+            layers.ConvBNReLU(
+                in_channels, in_channels, kernel_size=3, stride=1, padding=1),
             nn.Dropout2D(drop_prob),
-            nn.Conv2D(in_channels,
-                      num_classes,
-                      kernel_size=1,
-                      stride=1,
-                      bias_attr=False),
+            nn.Conv2D(
+                in_channels,
+                num_classes,
+                kernel_size=1,
+                stride=1,
+                bias_attr=False),
         )
-        self.proj_head = ProjectionHead(dim_in=in_channels,
-                                        proj_dim=self.proj_dim)
+        self.proj_head = ProjectionHead(
+            dim_in=in_channels, proj_dim=self.proj_dim)
+
+        self.pretrained = pretrained
+        self.init_weight()
 
     def init_weight(self):
         if self.pretrained is not None:
@@ -83,17 +84,19 @@ def forward(self, x):
         if self.training:
             emb = self.proj_head(feats)
             logit_list.append(
-                F.interpolate(out,
-                              paddle.shape(x)[2:],
-                              mode='bilinear',
-                              align_corners=self.align_corners))
+                F.interpolate(
+                    out,
+                    paddle.shape(x)[2:],
+                    mode='bilinear',
+                    align_corners=self.align_corners))
             logit_list.append({'seg': out, 'embed': emb})
         else:
             logit_list.append(
-                F.interpolate(out,
-                              paddle.shape(x)[2:],
-                              mode='bilinear',
-                              align_corners=self.align_corners))
+                F.interpolate(
+                    out,
+                    paddle.shape(x)[2:],
+                    mode='bilinear',
+                    align_corners=self.align_corners))
         return logit_list
 
 
@@ -105,6 +108,7 @@ class ProjectionHead(nn.Layer):
         proj_dim (int, optional): The output dimensions of projection head. Default: 256.
         proj (str, optional): The type of projection head, only support 'linear' and 'convmlp'. Default: 'convmlp'.
     """
+
     def __init__(self, dim_in, proj_dim=256, proj='convmlp'):
         super(ProjectionHead, self).__init__()
         if proj == 'linear':