def get_common_transforms():
"""
Get the transform object with the common transforms (Flips, rotation90)
Args: None
Returns:
transformation: the transformation
"""
common_transforms = transforms.Compose([
transforms.RandomFlip(p=0.5, flip_plane=(1, 2)),
transforms.RandomFlip(p=0.5, flip_plane=(2, 1)),
transforms.RandomRotation90(p=1.0,
mult_90=[0, 1, 2, 3],
rot_plane=(1, 2))
])
return common_transforms
input_shape = (140, 140, 1)
output_shape = (140, 140, 1)
data_split = DataSplit(train=0.85, validation=0.15, test=0.00)
cache_RAM = True
cache_HDD = True
cache_root = os.path.join(run_root, '.cache/')
batch_size = 256
num_workers = 8
data_sources = WkwData.datasources_from_json(datasources_json_path)
transforms = transforms.Compose([
transforms.RandomFlip(p=0.5, flip_plane=(1, 2)),
transforms.RandomFlip(p=0.5, flip_plane=(2, 1)),
transforms.RandomRotation90(p=1.0, mult_90=[0, 1, 2, 3], rot_plane=(1, 2))
])
dataset = WkwData(input_shape=input_shape,
target_shape=output_shape,
data_sources=data_sources,
data_split=data_split,
transforms=transforms,
cache_RAM=cache_RAM,
cache_HDD=cache_HDD,
cache_HDD_root=cache_HDD_root)
# Create the weighted samplers which create imbalance given the factor
imbalance_factor = 20
data_loaders = subsetWeightedSampler.get_data_loaders(
dataset,
imbalance_factor=imbalance_factor,