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import inspect |
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import multiprocessing |
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import os |
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import shutil |
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import sys |
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import warnings |
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from copy import deepcopy |
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from datetime import datetime |
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from time import time, sleep |
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from typing import Union, Tuple, List |
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import numpy as np |
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import torch |
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from batchgenerators.dataloading.single_threaded_augmenter import SingleThreadedAugmenter |
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from batchgenerators.transforms.abstract_transforms import AbstractTransform, Compose |
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from batchgenerators.transforms.color_transforms import BrightnessMultiplicativeTransform, \ |
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ContrastAugmentationTransform, GammaTransform |
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from batchgenerators.transforms.noise_transforms import GaussianNoiseTransform, GaussianBlurTransform |
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from batchgenerators.transforms.resample_transforms import SimulateLowResolutionTransform |
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from batchgenerators.transforms.spatial_transforms import SpatialTransform, MirrorTransform |
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from batchgenerators.transforms.utility_transforms import RemoveLabelTransform, RenameTransform, NumpyToTensor |
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def get_train_transforms(patch_size, mirror_axes=None): |
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tr_transforms = [] |
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patch_size_spatial = patch_size |
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ignore_axes = None |
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angle = (-30. / 360 * 2. * np.pi, 30. / 360 * 2. * np.pi) |
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tr_transforms.append(SpatialTransform( |
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patch_size_spatial, patch_center_dist_from_border=None, |
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do_elastic_deform=False, alpha=(0, 0), sigma=(0, 0), |
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do_rotation=True, angle_x=angle, angle_y=angle, angle_z=angle, |
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p_rot_per_axis=1, |
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do_scale=True, scale=(0.7, 1.4), |
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border_mode_data="constant", border_cval_data=0, order_data=3, |
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border_mode_seg="constant", border_cval_seg=-1, order_seg=1, |
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random_crop=False, |
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p_el_per_sample=0, p_scale_per_sample=0.2, p_rot_per_sample=0.2, |
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independent_scale_for_each_axis=False |
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)) |
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tr_transforms.append(GaussianNoiseTransform(p_per_sample=0.1)) |
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tr_transforms.append(GaussianBlurTransform((0.5, 1.), different_sigma_per_channel=True, p_per_sample=0.2, |
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p_per_channel=0.5)) |
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tr_transforms.append(BrightnessMultiplicativeTransform(multiplier_range=(0.75, 1.25), p_per_sample=0.15)) |
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tr_transforms.append(ContrastAugmentationTransform(p_per_sample=0.15)) |
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tr_transforms.append(SimulateLowResolutionTransform(zoom_range=(0.5, 1), per_channel=True, |
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p_per_channel=0.5, |
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order_downsample=0, order_upsample=3, p_per_sample=0.25, |
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ignore_axes=ignore_axes)) |
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tr_transforms.append(GammaTransform((0.7, 1.5), True, True, retain_stats=True, p_per_sample=0.1)) |
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tr_transforms.append(GammaTransform((0.7, 1.5), False, True, retain_stats=True, p_per_sample=0.3)) |
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if mirror_axes is not None and len(mirror_axes) > 0: |
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tr_transforms.append(MirrorTransform(mirror_axes)) |
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tr_transforms.append(RemoveLabelTransform(-1, 0)) |
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tr_transforms.append(NumpyToTensor(['data', 'seg'], 'float')) |
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tr_transforms = Compose(tr_transforms) |
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return tr_transforms |
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def get_train_transforms_nomirror(patch_size, mirror_axes=None): |
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tr_transforms = [] |
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patch_size_spatial = patch_size |
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ignore_axes = None |
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angle = (-30. / 360 * 2. * np.pi, 30. / 360 * 2. * np.pi) |
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tr_transforms.append(SpatialTransform( |
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patch_size_spatial, patch_center_dist_from_border=None, |
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do_elastic_deform=False, alpha=(0, 0), sigma=(0, 0), |
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do_rotation=True, angle_x=angle, angle_y=angle, angle_z=angle, |
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p_rot_per_axis=1, |
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do_scale=True, scale=(0.7, 1.4), |
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border_mode_data="constant", border_cval_data=0, order_data=3, |
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border_mode_seg="constant", border_cval_seg=-1, order_seg=1, |
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random_crop=False, |
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p_el_per_sample=0, p_scale_per_sample=0.2, p_rot_per_sample=0.2, |
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independent_scale_for_each_axis=False |
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)) |
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tr_transforms.append(GaussianNoiseTransform(p_per_sample=0.1)) |
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tr_transforms.append(GaussianBlurTransform((0.5, 1.), different_sigma_per_channel=True, p_per_sample=0.2, |
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p_per_channel=0.5)) |
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tr_transforms.append(BrightnessMultiplicativeTransform(multiplier_range=(0.75, 1.25), p_per_sample=0.15)) |
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tr_transforms.append(ContrastAugmentationTransform(p_per_sample=0.15)) |
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tr_transforms.append(SimulateLowResolutionTransform(zoom_range=(0.5, 1), per_channel=True, |
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p_per_channel=0.5, |
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order_downsample=0, order_upsample=3, p_per_sample=0.25, |
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ignore_axes=ignore_axes)) |
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tr_transforms.append(GammaTransform((0.7, 1.5), True, True, retain_stats=True, p_per_sample=0.1)) |
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tr_transforms.append(GammaTransform((0.7, 1.5), False, True, retain_stats=True, p_per_sample=0.3)) |
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tr_transforms.append(RemoveLabelTransform(-1, 0)) |
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tr_transforms.append(NumpyToTensor(['data', 'seg'], 'float')) |
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tr_transforms = Compose(tr_transforms) |
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return tr_transforms |
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def get_train_transforms_onlymirror(patch_size, mirror_axes=None): |
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tr_transforms = [] |
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patch_size_spatial = patch_size |
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ignore_axes = None |
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angle = (-30. / 360 * 2. * np.pi, 30. / 360 * 2. * np.pi) |
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tr_transforms.append(GaussianNoiseTransform(p_per_sample=0.1)) |
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tr_transforms.append(GaussianBlurTransform((0.5, 1.), different_sigma_per_channel=True, p_per_sample=0.2, |
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p_per_channel=0.5)) |
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tr_transforms.append(BrightnessMultiplicativeTransform(multiplier_range=(0.75, 1.25), p_per_sample=0.15)) |
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tr_transforms.append(ContrastAugmentationTransform(p_per_sample=0.15)) |
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tr_transforms.append(SimulateLowResolutionTransform(zoom_range=(0.5, 1), per_channel=True, |
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p_per_channel=0.5, |
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order_downsample=0, order_upsample=3, p_per_sample=0.25, |
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ignore_axes=ignore_axes)) |
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tr_transforms.append(GammaTransform((0.7, 1.5), True, True, retain_stats=True, p_per_sample=0.1)) |
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tr_transforms.append(GammaTransform((0.7, 1.5), False, True, retain_stats=True, p_per_sample=0.3)) |
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if mirror_axes is not None and len(mirror_axes) > 0: |
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tr_transforms.append(MirrorTransform(mirror_axes)) |
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tr_transforms.append(RemoveLabelTransform(-1, 0)) |
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tr_transforms.append(NumpyToTensor(['data', 'seg'], 'float')) |
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tr_transforms = Compose(tr_transforms) |
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return tr_transforms |
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def get_train_transforms_onlyspatial(patch_size, mirror_axes=None): |
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tr_transforms = [] |
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patch_size_spatial = patch_size |
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ignore_axes = None |
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angle = (-30. / 360 * 2. * np.pi, 30. / 360 * 2. * np.pi) |
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tr_transforms.append(SpatialTransform( |
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patch_size_spatial, patch_center_dist_from_border=None, |
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do_elastic_deform=False, alpha=(0, 0), sigma=(0, 0), |
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do_rotation=True, angle_x=angle, angle_y=angle, angle_z=angle, |
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p_rot_per_axis=1, |
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do_scale=True, scale=(0.7, 1.4), |
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border_mode_data="constant", border_cval_data=0, order_data=3, |
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border_mode_seg="constant", border_cval_seg=-1, order_seg=1, |
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random_crop=False, |
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p_el_per_sample=0, p_scale_per_sample=0.2, p_rot_per_sample=0.2, |
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independent_scale_for_each_axis=False |
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)) |
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if mirror_axes is not None and len(mirror_axes) > 0: |
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tr_transforms.append(MirrorTransform(mirror_axes)) |
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tr_transforms.append(RemoveLabelTransform(-1, 0)) |
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tr_transforms.append(NumpyToTensor(['data', 'seg'], 'float')) |
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tr_transforms = Compose(tr_transforms) |
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return tr_transforms |
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def get_train_transforms_noaug(patch_size, mirror_axes=None): |
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tr_transforms = [] |
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tr_transforms.append(RemoveLabelTransform(-1, 0)) |
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tr_transforms.append(NumpyToTensor(['data', 'seg'], 'float')) |
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tr_transforms = Compose(tr_transforms) |
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return tr_transforms |
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def get_validation_transforms() -> AbstractTransform: |
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val_transforms = [] |
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val_transforms.append(RemoveLabelTransform(-1, 0)) |
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val_transforms.append(NumpyToTensor(['data', 'seg'], 'float')) |
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val_transforms = Compose(val_transforms) |
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return val_transforms |
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