Update outdated code

Created by: Bobholamovic

Fix known bugs and refactor the framework.

src/impl/builders/model_builders.py

+# Custom model builders
+
+from core.misc import MODELS
+
+
+@MODELS.register_func('Unet_model')
+def build_Unet_model(C):
+    from models.unet import Unet
+    return Unet(6, 2)
+
+
+@MODELS.register_func('Unet_OSCD_model')
+def build_Unet_OSCD_model(C):
+    from models.unet import Unet
+    return Unet(26, 2)
+
+
+@MODELS.register_func('SiamUnet_diff_model')
+def build_SiamUnet_diff_model(C):
+    from models.siamunet_diff import SiamUnet_diff
+    return SiamUnet_diff(3, 2)
+
+
+@MODELS.register_func('SiamUnet_diff_OSCD_model')
+def build_SiamUnet_diff_OSCD_model(C):
+    from models.siamunet_diff import SiamUnet_diff
+    return SiamUnet_diff(13, 2)
+
+
+@MODELS.register_func('SiamUnet_conc_model')
+def build_SiamUnet_conc_model(C):
+    from models.siamunet_conc import SiamUnet_conc
+    return SiamUnet_conc(3, 2)
+
+
+@MODELS.register_func('SiamUnet_conc_OSCD_model')
+def build_SiamUnet_conc_OSCD_model(C):
+    from models.siamunet_conc import SiamUnet_conc
+    return SiamUnet_conc(13, 2)
+
+
+@MODELS.register_func('FresUnet_model')
+def build_FresUnet_model(C):
+    from models.fresunet import FresUNet
+    return FresUNet(6, 2)
+
+
+@MODELS.register_func('FresUnet_OSCD_model')
+def build_FresUnet_OSCD_model(C):
+    from models.fresunet import FresUNet
+    return FresUNet(26, 2)
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