def get_test_augmentations(image_size: int = 224,
mean: tuple = (0, 0, 0),
std: tuple = (1, 1, 1)):
return A.Compose([
A.Resize(image_size, image_size),
A.LongestMaxSize(image_size),
A.Normalize(mean=mean, std=std),
A.PadIfNeeded(image_size, image_size, 0),
ToTensor(),
])
def get_transforms(size: int, scope: str = 'geometric', crop='random'):
augs = {
'strong':
albu.Compose([
albu.HorizontalFlip(),
albu.ShiftScaleRotate(shift_limit=0.0,
scale_limit=0.2,
rotate_limit=20,
p=.4),
albu.ElasticTransform(),
albu.OpticalDistortion(),
albu.OneOf([
albu.CLAHE(clip_limit=2),
albu.IAASharpen(),
albu.IAAEmboss(),
albu.RandomBrightnessContrast(),
albu.RandomGamma()
],
p=0.5),
albu.OneOf([
albu.RGBShift(),
albu.HueSaturationValue(),
], p=0.5),
]),
'weak':
albu.Compose([
albu.HorizontalFlip(),
]),
'geometric':
albu.OneOf([
albu.HorizontalFlip(always_apply=True),
albu.ShiftScaleRotate(always_apply=True),
#albu.Transpose(always_apply=True),
albu.OpticalDistortion(always_apply=True),
albu.ElasticTransform(always_apply=True),
])
}
aug_fn = augs[scope]
crop_fn = {
'random': albu.RandomCrop(size, size, always_apply=True),
'center': albu.CenterCrop(size, size, always_apply=True)
}[crop]
pad = albu.PadIfNeeded(size, size)
pipeline = albu.Compose([aug_fn, crop_fn, pad],
additional_targets={'target': 'image'})
# pipeline = albu.Compose([aug_fn], additional_targets={'target': 'image'})
def process(a, b):
r = pipeline(image=a, target=b)
return r['image'], r['target']
return process
def __init__(self, segmentation_model, classification_model, face_detector,
class_names: List[str] = None,
segmentation_threshold: float = 0.3,
class_count: int = 5,
rules: Dict = None,
device: torch.device = None):
self.segmentation_model = segmentation_model
self.classification_model = classification_model
self.face_detector = face_detector
self.segmentation_preprocess = A.Compose([
A.LongestMaxSize(max_size=512, p=1.0),
A.PadIfNeeded(min_height=512, min_width=512, border_mode=cv2.BORDER_CONSTANT, value=0, p=1.0),
], p=1.0)
self.segmentation_norm = A.Normalize(mean=(0.485, 0.456, 0.406), std=(0.229, 0.224, 0.225), p=1.0)
self.denorm = A.Normalize(mean=(-0.485 * 0.229, -0.456 * 0.224, -0.406 * 0.255),
std=(1 / 0.229, 1 / 0.224, 1 / 0.255), p=1.0)
self.classification_preprocess = A.Compose([
A.LongestMaxSize(max_size=512, p=1.0),
A.PadIfNeeded(min_height=512, min_width=512, border_mode=cv2.BORDER_CONSTANT, value=0, p=1.0),
A.Normalize(mean=(0.485, 0.456, 0.406), std=(0.229, 0.224, 0.225), p=1.0)
], p=1.0)
self.threshold = segmentation_threshold
self.class_count = class_count
if class_names is None:
self.class_names = [str(i) for i in range(self.class_count)]
else:
self.class_names = class_names
self.device = device
if device is None:
self.device = torch.device('cpu')
self.rules = rules
self.iface = None
def _valid_enhance(self, sample):
compose = A.Compose([
A.PadIfNeeded(self.base_size[0], self.base_size[1], p=1),
A.CenterCrop(self.crop_size[0], self.crop_size[1], p=1),
A.Normalize(mean=self.mean, std=self.std, p=1)
],
additional_targets={
'image': 'image',
'label': 'mask'
})
return compose(**sample)
def __init__(self, corpus_path, target_path, model_path, **kwargs):
self.char2idx = read_json(kwargs['char2idx_path'])
self.corpus = read_json(corpus_path)
self.target = read_json(target_path)
self.model = Chargrid2D(len(self.corpus) + 1, len(self.target))
if kwargs['device'] == 'cpu':
self.model.load_state_dict(
torch.load(model_path, map_location='cpu'))
else:
self.model.load_state_dict(torch.load(model_path))
self.device = kwargs['device']
self.model.to(self.device)
self.size = 512
self.aug = alb.Compose([
alb.LongestMaxSize(self.size + 24, interpolation=0),
alb.PadIfNeeded(self.size + 24,
self.size + 24,
border_mode=cv2.BORDER_CONSTANT),
alb.RandomCrop(self.size, self.size, p=0.3),
alb.Resize(self.size, self.size, 0)
])
self.enc = OneHotEncoder(self.corpus)
self.all_color = [
(0, 0, 0),
(0, 255, 0),
(0, 0, 255),
(0, 255, 255),
(255, 0, 255),
(255, 255, 0),
(127, 255, 212),
(69, 139, 116),
(131, 139, 139),
(227, 207, 87),
(139, 125, 107),
(138, 43, 226),
(156, 102, 31),
(165, 42, 42),
(255, 64, 64),
(255, 97, 3),
(127, 255, 0),
(238, 18, 137),
(128, 128, 128),
(34, 139, 34),
(139, 105, 20),
(255, 105, 180),
(60, 179, 113),
(139, 0, 0),
(0, 139, 0),
(0, 0, 139),
]
self.all_color = self.all_color * (
len(self.target) // len(self.all_color) + 1)
def get_middle_man_data_aug(mean, standard_deviation, height, width):
return [
A.Normalize(mean=mean, std=standard_deviation, always_apply=True, p=1.0),
A.PadIfNeeded(min_height=height+8, min_width=width+8),
A.RandomCrop(height, width, always_apply=True, p=1.0),
A.HorizontalFlip(p=0.5),
A.GridDistortion (num_steps=5, distort_limit=0.3, interpolation=1, border_mode=4, value=None, mask_value=None, always_apply=False, p=0.5),
A.ChannelDropout(channel_drop_range=(1, 1), fill_value=0, always_apply=False, p=0.5),
A.Cutout(num_holes=1, max_h_size=8, max_w_size=8, fill_value=mean, always_apply=False, p=0.5),
ToTensor()
]
def get_speech_transform(is_train):
## border mode 0 : constant padding, border mode 4 : repeats
if is_train:
transform = albumentations.Compose([
albumentations.PadIfNeeded(min_height=128,
min_width=400,
border_mode=0),
albumentations.RandomCrop(height=128, width=400),
albumentations.RandomBrightnessContrast(brightness_limit=0.3,
contrast_limit=0.3,
p=0.7),
])
else:
transform = albumentations.Compose([
albumentations.PadIfNeeded(min_height=128,
min_width=400,
border_mode=0),
albumentations.CenterCrop(height=128, width=400),
])
return transform
def _val_sync_transform(self, sample):
compose = A.Compose([
A.PadIfNeeded(self.base_size, self.base_size, p=1),
A.CenterCrop(self.crop_size, self.crop_size, p=1),
A.Normalize(),
], additional_targets={'image': 'image', 'label': 'mask'})
sample = compose(**sample)
sample["image"] = self._transform(sample["image"])
sample["label"] = self._mask_transform(sample["label"])
return sample
def get_transform(image_size: int = 512):
transform = albu.Compose([
albu.LongestMaxSize(max_size=image_size),
albu.PadIfNeeded(min_height=image_size,
min_width=image_size,
value=0,
border_mode=cv2.BORDER_CONSTANT),
albu.Normalize(mean=0, std=1),
ToTensorV2()
])
return transform
def test_transforms(self):
return A.Compose([
self.normalizer(),
A.PadIfNeeded(
self.hparams.aug_pad_size,
self.hparams.aug_pad_size,
border_mode=self.hparams.aug_border_mode,
p=1.
),
ToTensorV2(),
])
def get_training_augmentation_padding(dataset):
test_transform = [
albu.PadIfNeeded(256, 256, cv2.BORDER_CONSTANT, (0, 0, 0)),
]
if dataset == 'brats':
pass
else:
test_transform.extend([albu.Resize(256, 256), albu.Normalize()])
return albu.Compose(test_transform)
def build_train(self):
train_transforms = A.Compose([
A.PadIfNeeded(min_height=36, min_width=36),
A.RandomCrop(height=32, width=32),
A.HorizontalFlip(),
A.Normalize(mean=self.mean, std=self.std),
A.Cutout(num_holes=4),
AT.ToTensor()
])
return AlbumentationTransforms(train_transforms)
def get_validation_augmentation():
"""Add paddings to make image shape divisible by 32"""
test_transform = [
albu.PadIfNeeded(min_height=padheight,
min_width=padwidth,
border_mode=cv2.BORDER_CONSTANT),
albu.RandomCrop(height=inputheight,
width=inputwidth,
always_apply=True),
]
return albu.Compose(test_transform)
def __init__(self):
self.transform = A.Compose([
A.HorizontalFlip(p=0.5),
A.Normalize(mean=mean, std=std, always_apply=True),
A.PadIfNeeded(min_height=32,
min_width=32,
border_mode=cv2.BORDER_REFLECT_101,
p=0.5),
A.Cutout(num_holes=1, max_h_size=16, max_w_size=16, p=0.5),
ToTensor(),
])
def __init__(self, directory: str, use_augmentation: bool, image_height: int = 480, image_width: int = 480):
self.directory = pathlib.Path(directory)
self.use_augmentation = use_augmentation
assert self.directory.exists()
assert self.directory.is_dir()
self.image_paths = []
self.categories = collections.defaultdict(list)
for image_path in self.directory.rglob('*_img.png'):
with open(image_path, 'r') as labelme_file:
self.image_paths += [image_path]
self.categories['skin'] += [image_path]
for category, paths in self.categories.items():
for path in paths:
logging.debug(f'{category} - {path}')
self.categories = sorted(list(self.categories.keys()))
logging.info(f'loaded {len(self)} annotations from {self.directory}')
logging.info(f'use augmentation: {self.use_augmentation}')
logging.info(f'categories: {self.categories}')
aug_transforms = [ToTensor()]
if self.use_augmentation:
aug_transforms = [
alb.HueSaturationValue(always_apply=True),
alb.RandomBrightnessContrast(always_apply=True),
alb.HorizontalFlip(),
alb.RandomGamma(always_apply=True),
alb.ShiftScaleRotate(shift_limit=0.2, scale_limit=0.2, always_apply=True),
alb.PadIfNeeded(min_height=image_height, min_width=image_width, always_apply=True),
alb.RandomCrop(image_height, image_width, always_apply=True),
] + aug_transforms
else:
aug_transforms = [
alb.PadIfNeeded(min_height=image_height, min_width=image_width, always_apply=True),
alb.CenterCrop(image_height, image_width, always_apply=True),
] + aug_transforms
self.transforms = alb.Compose(transforms=aug_transforms)
def get_canvas_inference_transforms(min_height: int = 1080,
min_width: int = 1920,
divider: int = 32) -> albu.Compose:
min_height = _check_and_get_new_side(min_height, divider)
min_width = _check_and_get_new_side(min_width, divider)
return albu.Compose([
albu.PadIfNeeded(min_height=min_height, min_width=min_width, p=1.0),
albu.Normalize(p=1.0)
],
p=1)
def valid_transform(crop_size: int, pad_height: int,
pad_width: int) -> A.Compose:
return A.Compose([
A.PadIfNeeded(
min_height=pad_height,
min_width=pad_width,
always_apply=True,
p=1.,
border_mode=cv2.BORDER_REPLICATE,
),
post_transform(),
])
def visualize_reid(query, galleries, query_pid, gallery_pids):
transforms = albu.Compose([
# albu.SmallestMaxSize(256),
albu.LongestMaxSize(256),
# albu.CenterCrop(256, 256),
albu.PadIfNeeded(min_height=256,
min_width=256,
border_mode=cv2.BORDER_CONSTANT,
value=(150, 150, 150))
# albu.PadIfNeeded(min_height=256, min_width=256, border_mode=cv2.BORDER_REPLICATE)
])
n = len(galleries)
plt.figure(figsize=(4 * (n + 1), 5))
plt.subplot(1, n + 1, 1)
plt.subplots_adjust(left=0.0,
right=1.0,
top=1.0,
bottom=0.0,
wspace=0,
hspace=0)
plt.xticks([])
plt.yticks([])
plt.title(query_pid)
# query = cv2.resize(query, (256, 256))
query = transforms(image=query)['image']
plt.imshow(query)
# plt.gca().add_patch(Rectangle((0, 0), query.shape[1], query.shape[0], edgecolor='w', linewidth=10, fill=False))
for i in range(len(galleries)):
g_img = galleries[i]
# g_img = cv2.resize(g_img, (256,256))
g_img = transforms(image=g_img)['image']
g_pid = gallery_pids[i]
plt.subplot(1, n + 1, i + 2)
plt.xticks([])
plt.yticks([])
plt.title(g_pid)
plt.imshow(g_img)
if g_pid == query_pid:
plt.gca().add_patch(
Rectangle((0, 0),
g_img.shape[1],
g_img.shape[0],
edgecolor='g',
linewidth=10,
fill=False))
else:
plt.gca().add_patch(
Rectangle((0, 0),
g_img.shape[1],
g_img.shape[0],
edgecolor='r',
linewidth=10,
fill=False))
def __build_augmentator(self):
return albu.Compose([
albu.CropNonEmptyMaskIfExists(height=self.height, width=self.width, p=1.0),
albu.ShiftScaleRotate(shift_limit=0.15, scale_limit=0.15, p=0.6),
albu.PadIfNeeded(256, 256),
albu.OneOf([
albu.VerticalFlip(p=0.5),
albu.HorizontalFlip(p=0.5),
], p=0.5),
albu.RandomBrightnessContrast(0.1, 0.1),
# albu.RandomGamma()
], p=self.p)
def compose_transform_val(self):
composed_transforms = A.Compose([
A.LongestMaxSize(self.base_size, always_apply=True),
A.PadIfNeeded(self.base_size,
self.base_size,
always_apply=True,
border_mode=cv2.BORDER_CONSTANT),
A.Normalize(),
ToTensorV2()
])
return composed_transforms
def get_valid_transforms(img_size):
return A.Compose([
A.PadIfNeeded(img_size, img_size),
A.CenterCrop(img_size, img_size, p=0.5),
A.Resize(img_size, img_size, p=1),
A.Normalize(
mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225],
max_pixel_value=255, always_apply=True
),
ToTensorV2()
])
def paddingIfNeed(self, img):
img = np.array(img)
height, width, _ = img.shape
padded_height, padded_width, _ = img.shape
if padded_height % 32 != 0:
padded_height = (padded_height // 32 + 1) * 32
if padded_width % 32 != 0:
padded_width = (padded_width // 32 + 1) * 32
pad = albu.PadIfNeeded(padded_height, padded_width)
crop = albu.CenterCrop(height, width)
img = pad(image=img)["image"]
return img, crop
def get_validation_augmentation(self, conf, is_stub=False):
# Since batch-size in validation is 1, validation could be performed by whole crop-size.
# To provide pos
test_transform = [
alb.HorizontalFlip(p=0.5),
alb.VerticalFlip(p=0.5),
alb.RandomRotate90(always_apply=False, p=0.5),
alb.PadIfNeeded(conf.img_wh_crop,
conf.img_wh_crop,
always_apply=True,
border_mode=0),
# alb.RandomCrop(height=conf.img_wh_crop, width=conf.img_wh_crop, always_apply=True),
]
if is_stub:
return alb.Compose([
alb.PadIfNeeded(conf.img_wh_crop,
conf.img_wh_crop,
always_apply=True,
border_mode=0)
])
return alb.Compose(test_transform)
def get_video_load_transform(self):
"""Load videos at double the resoluton as HRNet downsamples.
If we aren't generating labels, however, we then need to downsample x2."""
video_height, video_width = self.label_generation_dim
return A.Compose([
A.PadIfNeeded(min_height=video_height,
min_width=video_width,
border_mode=cv2.BORDER_CONSTANT,
mask_value=0),
A.CenterCrop(height=video_height, width=video_width)],
)
def get_test_transform_mxnet(image_size):
longest_size = max(image_size[0], image_size[1])
return A.Compose([
#Resize(int(config.img_height*1.5),int(config.img_weight*1.5)),
# CenterCrop(config.img_height,config.img_weight),
A.LongestMaxSize(longest_size, interpolation=cv2.INTER_CUBIC),
A.PadIfNeeded(image_size[0],
image_size[1],
border_mode=cv2.BORDER_CONSTANT,
value=0),
A.Normalize()
])
def best_cifar10_train_transforms(stats):
cutout_fill = sum(stats[0])/3.0
return alb.Compose([
alb.Rotate(limit=10, p=0.5),
alb.HorizontalFlip(p=0.2),
#alb.RandomCrop(height=32, width=32, p=1.0),
alb.Normalize(mean=list(stats[0]), std=list(stats[1])),
alb.PadIfNeeded(min_height=48, min_width=48, border_mode=cv2.BORDER_REPLICATE, p=1.0),
alb.Cutout(num_holes=1, max_h_size=16, max_w_size=16, fill_value=cutout_fill),
alb.CenterCrop (height=32, width=32, always_apply=False, p=1.0),
alb_torch.transforms.ToTensor()
], p=1.0)
def __init__(self, base_size, crop_size, fill=0):
self.base_size = base_size
self.crop_size = crop_size
self.base_height = base_size[0]
self.fill = fill
self.aug = alb.Compose([
alb.RandomScale(),
alb.PadIfNeeded(min_height=base_size[0],
min_width=base_size[1],
border_mode=cv2.BORDER_REFLECT101),
alb.RandomCrop(height=base_size[0], width=base_size[1])
])
def get_cc_training_augmentation():
train_transform = [
A.CropNonEmptyMaskIfExists(height=640, width=640, always_apply=True),
A.Resize(height=256, width=256),
A.HorizontalFlip(p=0.5),
A.VerticalFlip(p=0.5),
A.PadIfNeeded(min_height=256,
min_width=256,
always_apply=True,
border_mode=0),
]
return A.Compose(train_transform)
def get_augumentation(phase,
width=512,
height=512,
min_area=0.,
min_visibility=0.):
list_transforms = []
if phase == 'train':
list_transforms.extend([
albu.augmentations.transforms.LongestMaxSize(max_size=width,
always_apply=True),
albu.PadIfNeeded(min_height=height,
min_width=width,
always_apply=True,
border_mode=0,
value=[0, 0, 0]),
albu.augmentations.transforms.RandomResizedCrop(height=height,
width=width,
p=0.3),
albu.augmentations.transforms.Flip(),
albu.augmentations.transforms.Transpose(),
albu.OneOf([
albu.RandomBrightnessContrast(brightness_limit=0.5,
contrast_limit=0.4),
albu.RandomGamma(gamma_limit=(50, 150)),
albu.NoOp()
]),
albu.OneOf([
albu.RGBShift(r_shift_limit=20,
b_shift_limit=15,
g_shift_limit=15),
albu.HueSaturationValue(hue_shift_limit=5, sat_shift_limit=5),
albu.NoOp()
]),
albu.CLAHE(p=0.8),
albu.HorizontalFlip(p=0.5),
albu.VerticalFlip(p=0.5),
])
if (phase == 'test' or phase == 'valid'):
list_transforms.extend([albu.Resize(height=height, width=width)])
list_transforms.extend([
albu.Normalize(mean=(0.485, 0.456, 0.406),
std=(0.229, 0.224, 0.225),
p=1),
ToTensor()
])
if (phase == 'test'):
return albu.Compose(list_transforms)
return albu.Compose(list_transforms,
bbox_params=albu.BboxParams(
format='pascal_voc',
min_area=min_area,
min_visibility=min_visibility,
label_fields=['category_id']))
def __init__(self):
self.trans=A.Compose(
[
A.PadIfNeeded(min_height=40, min_width=40),
A.RandomCrop(32,32),
A.HorizontalFlip(p=0.5),
A.CoarseDropout(max_holes=1, max_height=8, max_width=8, min_height=8,
min_width=8, fill_value=(np.array([0.4914, 0.4822, 0.4465]))*255.0, p=0.75),
A.Normalize((0.4914, 0.4822, 0.4465), (0.2023, 0.1994, 0.2010)),
ToTensor()
])