예제 #1
0
# figure out the user's intent). If the code does not seem to terminate, then the issue is most likely
# a wrong number of feature maps / channels in either the MemoryData-layers or the network output.

# This function takes as input:
# - The network
# - A list of other inputs to test (note: the nhood input is static and not spatially testable, thus excluded here)
# - A list of the maximal shapes for each input
# - A list of spatial dependencies; here [-1, 0] means the Y axis is a free parameter, and the X axis should be identical to the Y axis.
fix_input_dims(
    net,
    [
        net.data,
        net.aff_label,
        net.comp_label,
        net.scale
    ],
    max_shapes=[
        input_shape,
        output_shape,
        output_shape,
        output_shape
    ],
    shape_coupled=[-1, -1, 1]
)

protonet = net.to_proto()
protonet.name = 'net'

# Store the network as prototxt
with open(protonet.name + '.prototxt', 'w') as f:
    print(protonet, file=f)
예제 #2
0
# Choose output activation functions
net.aff_pred = L.Sigmoid(net.aff_out, ntop=1, in_place=False)

# Choose a loss function and input data, label and scale inputs. Only include it during the training phase (phase = 0)
net.euclid_loss = L.EuclideanLoss(net.aff_pred, net.aff_label, net.scale, ntop=0, loss_weight=1.0, include=[dict(phase=0, stage='euclid')])
net.malis_loss = L.MalisLoss(net.aff_pred, net.aff_label, net.comp_label, net.nhood, ntop=0, loss_weight=1.0, include=[dict(phase=0, stage='malis')])

# Fix the spatial input dimensions. Note that only spatial dimensions get modified, the minibatch size
# and the channels/feature maps must be set correctly by the user (since this code can definitely not
# figure out the user's intent). If the code does not seem to terminate, then the issue is most likely
# a wrong number of feature maps / channels in either the MemoryData-layers or the network output.

# This function takes as input:
# - The network
# - A list of other inputs to test (note: the nhood input is static and not spatially testable, thus excluded here)
# - A list of the maximal shapes for each input
# - A list of spatial dependencies; here [-1, 0] means the Y axis is a free parameter, and the X axis should be identical to the Y axis.
caffe.fix_input_dims(net,
                    [net.data, net.aff_label, net.comp_label, net.scale],
                    max_shapes = [[200,200,200],[100,100,100],[100,100,100],[100,100,100]],
                    shape_coupled = [-1, -1, 1])


protonet = net.to_proto()
protonet.name = 'net';

# Store the network as prototxt
with open(protonet.name + '.prototxt', 'w') as f:
    print(protonet, file=f)
def long_range_unet(name):
    # Start a network
    net = caffe.NetSpec()

    # Data input layer
    net.data = L.MemoryData(dim=[1, 1], ntop=1)

    n_channels = 12

    # TODO
    # Label input layer
    # I guess the second number is the number of channels
    net.aff_label = L.MemoryData(dim=[1, n_channels],
                                 ntop=1,
                                 include=[dict(phase=0)])

    # Components label layer
    # No idea about this one...
    net.comp_label = L.MemoryData(dim=[1, 2],
                                  ntop=1,
                                  include=[dict(phase=0, stage='malis')])

    # Scale input layer
    # again second = channels ?!
    net.scale = L.MemoryData(dim=[1, n_channels],
                             ntop=1,
                             include=[dict(phase=0, stage='euclid')])

    # Silence the not needed data and label integer values
    # is this correct ????
    net.nhood = L.MemoryData(dim=[1, 1, n_channels, 3],
                             ntop=1,
                             include=[dict(phase=0, stage='malis')])

    # USK-Net metalayer
    net.unet = ML.UNet(
        net.data,
        fmap_start=12,
        depth=3,
        fmap_inc_rule=lambda fmaps: int(math.ceil(float(fmaps) * 5)),
        fmap_dec_rule=lambda fmaps: int(math.ceil(float(fmaps) / 5)),
        downsampling_strategy=[[1, 3, 3], [1, 3, 3], [1, 3, 3]],
        dropout=0.0,
        use_deconv_uppath=False,
        use_stable_upconv=True)

    net.aff_out = L.Convolution(net.unet,
                                kernel_size=[1],
                                num_output=n_channels,
                                param=[dict(lr_mult=1),
                                       dict(lr_mult=2)],
                                weight_filler=dict(type='msra'),
                                bias_filler=dict(type='constant'))

    # Choose output activation functions
    net.aff_pred = L.Sigmoid(net.aff_out, ntop=1, in_place=False)

    # Choose a loss function and input data, label and scale inputs. Only include it during the training phase (phase = 0)
    net.euclid_loss = L.EuclideanLoss(net.aff_pred,
                                      net.aff_label,
                                      net.scale,
                                      ntop=0,
                                      loss_weight=1.0,
                                      include=[dict(phase=0, stage='euclid')])
    net.malis_loss = L.MalisLoss(net.aff_pred,
                                 net.aff_label,
                                 net.comp_label,
                                 net.nhood,
                                 ntop=0,
                                 loss_weight=1.0,
                                 include=[dict(phase=0, stage='malis')])

    # Fix the spatial input dimensions. Note that only spatial dimensions get modified, the minibatch size
    # and the channels/feature maps must be set correctly by the user (since this code can definitely not
    # figure out the user's intent). If the code does not seem to terminate, then the issue is most likely
    # a wrong number of feature maps / channels in either the MemoryData-layers or the network output.

    # This function takes as input:
    # - The network
    # - A list of other inputs to test (note: the nhood input is static and not spatially testable, thus excluded here)
    # - A list of the maximal shapes for each input
    # - A list of spatial dependencies; here [-1, 0] means the Y axis is a free parameter, and the X axis should be identical to the Y axis.
    caffe.fix_input_dims(net,
                         [net.data, net.aff_label, net.comp_label, net.scale],
                         max_shapes=[[84, 268, 268], [100, 100, 100],
                                     [100, 100, 100], [100, 100, 100]],
                         shape_coupled=[-1, -1, 1])

    protonet = net.to_proto()
    protonet.name = name

    # Store the network as prototxt
    with open(protonet.name + '.prototxt', 'w') as f:
        print(protonet, file=f)