a bit update of bisenetv2

CoinCheung · May 29, 2020 · 81a8885 · 81a8885
1 parent 7409bbd
commit 81a8885
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Showing 3 changed files with 14 additions and 11 deletions.
diff --git a/bisenetv2/bisenetv2.py b/bisenetv2/bisenetv2.py
@@ -100,6 +100,7 @@ def __init__(self, in_chan, out_chan, exp_ratio=6):
                 in_chan, mid_chan, kernel_size=3, stride=1,
                 padding=1, groups=in_chan, bias=False),
             nn.BatchNorm2d(mid_chan),
+            nn.ReLU(inplace=True), # not shown in paper
         )
         self.conv2 = nn.Sequential(
             nn.Conv2d(
@@ -136,6 +137,7 @@ def __init__(self, in_chan, out_chan, exp_ratio=6):
                 mid_chan, mid_chan, kernel_size=3, stride=1,
                 padding=1, groups=mid_chan, bias=False),
             nn.BatchNorm2d(mid_chan),
+            nn.ReLU(inplace=True), # not shown in paper
         )
         self.conv2 = nn.Sequential(
             nn.Conv2d(
@@ -238,6 +240,7 @@ def __init__(self):
                 128, 128, kernel_size=3, stride=1,
                 padding=1, bias=False),
             nn.BatchNorm2d(128),
+            nn.ReLU(inplace=True), # not shown in paper
         )
 
     def forward(self, x_d, x_s):
@@ -286,11 +289,11 @@ def __init__(self, n_classes):
         self.bga = BGALayer()
 
         ## TODO: what is the number of mid chan ?
-        self.head = SegmentHead(128, 256, n_classes)
-        self.aux2 = SegmentHead(16, 32, n_classes)
-        self.aux3 = SegmentHead(32, 64, n_classes)
+        self.head = SegmentHead(128, 1024, n_classes)
+        self.aux2 = SegmentHead(16, 128, n_classes)
+        self.aux3 = SegmentHead(32, 128, n_classes)
         self.aux4 = SegmentHead(64, 128, n_classes)
-        self.aux5_4 = SegmentHead(128, 256, n_classes)
+        self.aux5_4 = SegmentHead(128, 128, n_classes)
 
         self.init_weights()
 

diff --git a/bisenetv2/cityscapes_cv2.py b/bisenetv2/cityscapes_cv2.py
@@ -129,11 +129,11 @@ def __init__(self):
         self.trans_func = T.Compose([
             T.RandomResizedCrop([0.375, 1.], [512, 1024]),
             T.RandomHorizontalFlip(),
-            #  T.ColorJitter(
-            #      brightness=0.4,
-            #      contrast=0.4,
-            #      saturation=0.4
-            #  ),
+            T.ColorJitter(
+                brightness=0.4,
+                contrast=0.4,
+                saturation=0.4
+            ),
         ])
 
     def __call__(self, im_lb):

diff --git a/bisenetv2/train.py b/bisenetv2/train.py
@@ -41,9 +41,9 @@
 #  torch.backends.cudnn.benchmark = True
 #  torch.multiprocessing.set_sharing_strategy('file_system')
 
-lr_start = 2.5e-2
+lr_start = 5e-2
 warmup_iters = 1000
-max_iter = 300000 + warmup_iters
+max_iter = 150000  + warmup_iters
 ims_per_gpu = 8