def rascpc(**kwargs):
model = UnetGenerator(4,
3,
is_attention_layer=True,
attention_model=RASC_PC)
model.apply(weights_init_kaiming)
return model
def nlnet(**kwargs):
model = UnetGenerator(4,
3,
is_attention_layer=True,
attention_model=NLWapper)
model.apply(weights_init_kaiming)
return model
def cbam(**kwargs):
model = UnetGenerator(4,
3,
is_attention_layer=True,
attention_model=CBAMConnect)
model.apply(weights_init_kaiming)
return model
def rascv1(**kwargs):
# Splicing Region: features -> GlobalAttentionModule -> CNN -> * SplicingSmoothMask ->
# mixed Region: faetures -> GlobalAttentionModule ----------⬆
# Background Region: faetures -> GlobalAttentionModule -> * ReversedSmoothMask ->
model = UnetGenerator(4, 3, is_attention_layer=True, attention_model=RASC)
model.apply(weights_init_kaiming)
return model
def rascv2(**kwargs):
model = UnetGenerator(4,
3,
is_attention_layer=True,
attention_model=RASC,
basicblock=MinimalUnetV2)
model.apply(weights_init_kaiming)
return model
def pconv(**kwargs):
# unet without mask.
model = UnetGenerator(4,
3,
is_attention_layer=True,
attention_model=PCBlock)
model.apply(weights_init_kaiming)
return model
def maskedurasc(**kwargs):
# learning without mask based on RASCV2.
model = UnetGenerator(3,
3,
is_attention_layer=True,
attention_model=MaskedURASC,
basicblock=MaskedMinimalUnetV2)
model.apply(weights_init_kaiming)
return model
def __init__(self, in_channels=3, depth=5, shared_depth=0, use_vm_decoder=False, blocks=1,
out_channels_image=3, out_channels_mask=1, start_filters=32, residual=True, batch_norm=True,
transpose=True, concat=True, transfer_data=True, long_skip=False, s2am='unet', use_coarser=True,no_stage2=False):
super(UnetVMS2AMv4, self).__init__()
self.transfer_data = transfer_data
self.shared = shared_depth
self.optimizer_encoder, self.optimizer_image, self.optimizer_vm = None, None, None
self.optimizer_mask, self.optimizer_shared = None, None
if type(blocks) is not tuple:
blocks = (blocks, blocks, blocks, blocks, blocks)
if not transfer_data:
concat = False
self.encoder = UnetEncoderD(in_channels=in_channels, depth=depth, blocks=blocks[0],
start_filters=start_filters, residual=residual, batch_norm=batch_norm,norm=nn.InstanceNorm2d,act=F.leaky_relu)
self.image_decoder = UnetDecoderD(in_channels=start_filters * 2 ** (depth - shared_depth - 1),
out_channels=out_channels_image, depth=depth - shared_depth,
blocks=blocks[1], residual=residual, batch_norm=batch_norm,
transpose=transpose, concat=concat,norm=nn.InstanceNorm2d)
self.mask_decoder = UnetDecoderD(in_channels=start_filters * 2 ** (depth - shared_depth - 1),
out_channels=out_channels_mask, depth=depth - shared_depth,
blocks=blocks[2], residual=residual, batch_norm=batch_norm,
transpose=transpose, concat=concat,norm=nn.InstanceNorm2d)
self.vm_decoder = None
if use_vm_decoder:
self.vm_decoder = UnetDecoderD(in_channels=start_filters * 2 ** (depth - shared_depth - 1),
out_channels=out_channels_image, depth=depth - shared_depth,
blocks=blocks[3], residual=residual, batch_norm=batch_norm,
transpose=transpose, concat=concat,norm=nn.InstanceNorm2d)
self.shared_decoder = None
self.use_coarser = use_coarser
self.long_skip = long_skip
self.no_stage2 = no_stage2
self._forward = self.unshared_forward
if self.shared != 0:
self._forward = self.shared_forward
self.shared_decoder = UnetDecoderDatt(in_channels=start_filters * 2 ** (depth - 1),
out_channels=start_filters * 2 ** (depth - shared_depth - 1),
depth=shared_depth, blocks=blocks[4], residual=residual,
batch_norm=batch_norm, transpose=transpose, concat=concat,
is_final=False,norm=nn.InstanceNorm2d)
if s2am == 'unet':
self.s2am = UnetGenerator(4,3,is_attention_layer=True,attention_model=RASC,basicblock=MinimalUnetV2)
elif s2am == 'vm':
self.s2am = VMSingle(4)
elif s2am == 'vms2am':
self.s2am = VMSingleS2AM(4,down=ResDownNew,up=ResUpNew)
def unet(**kwargs):
model = UnetGenerator(3, 3)
model.apply(weights_init_kaiming)
return model
def unet72(**kwargs):
# just original unet
model = UnetGenerator(4, 3, ngf=72)
model.apply(weights_init_kaiming)
return model
def uno(**kwargs):
# unet without mask.
model = UnetGenerator(3, 3, is_attention_layer=True, attention_model=UNO)
model.apply(weights_init_kaiming)
return model