def augmentation_simple(image, p=1., sub_p=0.3):
augmentation_fun = al.Compose([
al.OneOf([
al.IAAAdditiveGaussianNoise(),
al.GaussNoise(),
], p=sub_p),
al.OneOf([
al.MotionBlur(p=sub_p),
al.MedianBlur(blur_limit=3, p=sub_p),
al.Blur(blur_limit=3, p=sub_p),
],
p=sub_p),
al.OneOf([
al.OpticalDistortion(p=sub_p),
al.GridDistortion(p=sub_p),
al.IAAPiecewiseAffine(p=sub_p),
],
p=sub_p),
al.OneOf([
al.CLAHE(clip_limit=3),
al.IAASharpen(),
al.IAAEmboss(),
al.RandomBrightnessContrast()
],
p=sub_p)
],
p=p)
return augmentation_fun(image)
def get_train_transforms():
return A.Compose([
A.JpegCompression(p=0.5),
A.Rotate(limit=80, p=1.0),
A.OneOf([
A.OpticalDistortion(),
A.GridDistortion(),
A.IAAPiecewiseAffine(),
]),
A.RandomSizedCrop(min_max_height=(int(resolution * 0.7), input_res),
height=resolution,
width=resolution,
p=1.0),
A.HorizontalFlip(p=0.5),
A.VerticalFlip(p=0.5),
A.GaussianBlur(p=0.3),
A.OneOf([
A.RandomBrightnessContrast(),
A.HueSaturationValue(),
]),
A.Cutout(num_holes=8,
max_h_size=resolution // 8,
max_w_size=resolution // 8,
fill_value=0,
p=0.3),
A.Normalize(),
ToTensorV2(),
],
p=1.0)
def generate_ds(size):
trfm = A.Compose([
A.Resize(size, size, p=1.0),
A.HorizontalFlip(),
A.VerticalFlip(),
A.RandomRotate90(),
A.ShiftScaleRotate(shift_limit=0.0625,
scale_limit=0.2,
rotate_limit=20,
p=0.9,
border_mode=cv2.BORDER_REFLECT),
A.OneOf([
A.OpticalDistortion(p=0.4),
A.GridDistortion(p=.1),
A.IAAPiecewiseAffine(p=0.4),
],
p=0.3),
A.OneOf([
A.HueSaturationValue(10, 15, 10),
A.CLAHE(clip_limit=3),
A.RandomBrightnessContrast(),
],
p=0.5)
],
p=1.0)
return HubDataset(DATA_PATH,
window=WINDOW,
overlap=MIN_OVERLAP,
transform=trfm)
def predefined_transform() -> None:
"""
Example from docs
https://github.com/albumentations-team/albumentations_examples/blob/master/notebooks/example.ipynb
:return:
"""
return A.Compose([
A.RandomRotate90(),
A.Flip(),
A.Transpose(),
A.OneOf([
A.IAAAdditiveGaussianNoise(),
A.GaussNoise(),
], p=0.2),
A.OneOf([
A.MotionBlur(p=.2),
A.MedianBlur(blur_limit=3, p=0.1),
A.Blur(blur_limit=3, p=0.1),
], p=0.2),
A.ShiftScaleRotate(shift_limit=0.0625, scale_limit=0.2, rotate_limit=45, p=0.2),
A.OneOf([
A.OpticalDistortion(p=0.3),
A.GridDistortion(p=.1),
A.IAAPiecewiseAffine(p=0.3),
], p=0.2),
A.OneOf([
A.CLAHE(clip_limit=2),
A.IAASharpen(),
A.IAAEmboss(),
A.RandomBrightnessContrast(),
], p=0.3),
A.HueSaturationValue(p=0.3),
])
def _strong_aug(p=0.5):
import albumentations
return albumentations.Compose([
albumentations.HorizontalFlip(p=0.5),
albumentations.ShiftScaleRotate(shift_limit=0.0625,
scale_limit=0.2,
rotate_limit=0,
p=0.5,
border_mode=cv2.BORDER_CONSTANT),
albumentations.OneOf([
albumentations.OpticalDistortion(p=0.5,
border_mode=cv2.BORDER_CONSTANT),
albumentations.GridDistortion(p=0.5,
border_mode=cv2.BORDER_CONSTANT),
albumentations.IAAPiecewiseAffine(p=0.5),
albumentations.ElasticTransform(p=0.5,
border_mode=cv2.BORDER_CONSTANT),
],
p=0.5),
albumentations.OneOf([
albumentations.CLAHE(clip_limit=2),
albumentations.IAASharpen(),
albumentations.IAAEmboss(),
],
p=0.5),
albumentations.OneOf([
albumentations.RandomBrightnessContrast(p=0.5),
],
p=0.4),
albumentations.HueSaturationValue(p=0.5),
],
p=p)
def strong_aug(p=.5):
return A.Compose([
A.RandomRotate90(),
A.Flip(),
A.Transpose(),
A.OneOf([
A.IAAAdditiveGaussianNoise(),
A.GaussNoise(),
], p=0.2),
A.OneOf([
A.MotionBlur(p=.2),
A.MedianBlur(blur_limit=3, p=.1),
A.Blur(blur_limit=3, p=.1),
],
p=0.2),
A.ShiftScaleRotate(
shift_limit=0.0625, scale_limit=0.2, rotate_limit=45, p=.2),
A.OneOf([
A.OpticalDistortion(p=0.3),
A.GridDistortion(p=.1),
A.IAAPiecewiseAffine(p=0.3),
],
p=0.2),
A.OneOf([
A.CLAHE(clip_limit=2),
A.IAASharpen(),
A.IAAEmboss(),
A.RandomContrast(),
A.RandomBrightness(),
],
p=0.3),
A.HueSaturationValue(p=0.3),
],
p=p)
def augmentation_hard(image, p=1., sub_p=0.3):
augmentation_fun = al.Compose([
al.ShiftScaleRotate(shift_limit=0.1,
scale_limit=0.1,
rotate_limit=8,
p=sub_p,
border_mode=cv2.BORDER_CONSTANT),
al.ElasticTransform(sub_p),
al.OneOf([
al.IAAAdditiveGaussianNoise(),
al.GaussNoise(),
], p=sub_p),
al.OneOf([
al.MotionBlur(p=sub_p),
al.MedianBlur(blur_limit=3, p=sub_p),
al.Blur(blur_limit=3, p=sub_p),
],
p=sub_p),
al.OneOf([
al.OpticalDistortion(p=sub_p),
al.GridDistortion(p=sub_p),
al.IAAPiecewiseAffine(p=sub_p),
],
p=sub_p),
al.OneOf([
al.CLAHE(clip_limit=3),
al.IAASharpen(),
al.IAAEmboss(),
al.RandomBrightnessContrast()
],
p=sub_p)
],
p=p)
return augmentation_fun(image)
def album(self): #이미지 변환
transform = A.Compose([
#A.RandomRotate90(),
A.Flip(p=0.2),
#A.Transpose(),
A.ChannelShuffle(p=0.3),
A.ElasticTransform(p=0.3,border_mode=cv2.BORDER_REFLECT_101,alpha_affine=40),
A.OneOf([
A.IAAAdditiveGaussianNoise(),
A.GaussNoise(),
], p=0.2),
A.OneOf([
A.MotionBlur(p=.2),
A.MedianBlur(blur_limit=3, p=0.1),
A.Blur(blur_limit=3, p=0.1),
], p=0.2),
A.ShiftScaleRotate(shift_limit=0.0625, scale_limit=0.2, rotate_limit=45, p=0.2),
A.OneOf([
A.OpticalDistortion(p=0.3),
A.GridDistortion(p=.1),
A.IAAPiecewiseAffine(p=0.3),
], p=0.2),
A.OneOf([
A.CLAHE(clip_limit=2),
A.IAASharpen(),
A.IAAEmboss(),
A.RandomBrightnessContrast(),
], p=0.3),
A.HueSaturationValue(p=0.3),
])
image = cv2.cvtColor(self.srcResize, cv2.COLOR_BGR2RGB)
transformed = transform(image=image)['image']
self.update(transformed)
def get_aug(mode="train"):
if mode == "Nor":
aug = A.Compose([
ToTensor(),
])
elif mode == "train":
aug = A.Compose([
A.Flip(),
A.ShiftScaleRotate(rotate_limit=1.0, p=0.8),
# Pixels
A.OneOf([
A.IAAEmboss(p=1.0),
A.IAASharpen(p=1.0),
A.Blur(p=1.0),
],
p=0.5),
# Affine
A.OneOf(
[A.ElasticTransform(p=1.0),
A.IAAPiecewiseAffine(p=1.0)],
p=0.5),
A.Normalize(p=1.0),
ToTensor(),
])
else:
aug = A.Compose([
A.Normalize(p=1.0),
ToTensor(),
])
return aug
def get_augmentations_transform(crop_size=128, p=0.5, phase="train"):
imagenet_stats = {'mean':[0.485, 0.456, 0.406], 'std':[0.229, 0.224, 0.225]}
if phase == "train" or "test":
aug_factor_list = [
A.RandomResizedCrop(height=crop_size, width=crop_size, scale=(0.8, 1.0)),
A.Cutout(num_holes=8, p=p),
A.RandomRotate90(p=p),
A.HorizontalFlip(p=p),
A.VerticalFlip(p=p),
A.HueSaturationValue(hue_shift_limit=20, sat_shift_limit=50, val_shift_limit=50),
A.RandomBrightnessContrast(brightness_limit=0.2, contrast_limit=0.2),
A.ShiftScaleRotate(shift_limit=0.0625, scale_limit=0.2, rotate_limit=45, p=p),
A.OneOf([
A.IAAAdditiveGaussianNoise(),
A.GaussNoise(),
], p=p),
A.OneOf([
A.MotionBlur(p=0.2),
A.MedianBlur(blur_limit=3, p=0.1),
A.Blur(blur_limit=3, p=0.1),
], p=p),
A.OneOf([
A.OpticalDistortion(p=0.3),
A.GridDistortion(p=0.1),
A.IAAPiecewiseAffine(p=0.3),
], p=p),
ToTensor(normalize=imagenet_stats)
]
transformed_image = A.Compose(aug_factor_list)
return transformed_image
elif phase == "valid":
transformed_image = A.Compose([ToTensor(normalize=imagenet_stats)])
return transformed_image
else:
TypeError("Invalid phase type.")
def _strong_aug(p=0.5):
return albumentations.Compose([
albumentations.HorizontalFlip(),
albumentations.VerticalFlip(),
albumentations.ShiftScaleRotate(
shift_limit=0, scale_limit=0, rotate_limit=15, p=0.3),
albumentations.OneOf([
albumentations.OpticalDistortion(p=0.3),
albumentations.GridDistortion(p=0.1),
albumentations.IAAPiecewiseAffine(p=0.3),
],
p=0.2),
albumentations.OneOf([
albumentations.CLAHE(clip_limit=2),
albumentations.IAASharpen(),
albumentations.IAAEmboss(),
],
p=0.3),
albumentations.OneOf([
albumentations.RandomBrightnessContrast(p=0.3),
],
p=0.4),
albumentations.HueSaturationValue(p=0.3),
],
p=p)
def transform(train=True, mean=None, std=None):
normalize = alb.Compose([
alb.Normalize(mean=mean or _mean, std=std or _std),
ToTensorV2(),
])
if not train:
return normalize
return alb.Compose([
alb.HorizontalFlip(),
alb.VerticalFlip(),
alb.RandomRotate90(),
alb.ShiftScaleRotate(shift_limit=0.0625,
scale_limit=0.2,
rotate_limit=15,
p=0.9,
border_mode=cv2.BORDER_REFLECT),
alb.OneOf([
alb.OpticalDistortion(p=0.3),
alb.GridDistortion(p=.1),
alb.IAAPiecewiseAffine(p=0.3),
],
p=0.3),
alb.OneOf([
alb.HueSaturationValue(10, 15, 10),
alb.CLAHE(clip_limit=2),
alb.RandomBrightnessContrast(),
],
p=0.3),
normalize,
])
def add_transforms(self):
if self.train:
self.transforms += [
A.Resize(int(self.img_size[0] * 1.1), int(self.img_size[1] * 1.1)),
A.RandomCrop(self.img_size[0], self.img_size[1]),
A.HorizontalFlip(p=0.5),
A.VerticalFlip(p=0.5),
A.Rotate(p=0.5, border_mode=BORDER_REFLECT, value=0),
# Pixels
A.OneOf([
A.IAAEmboss(p=1.0),
A.IAASharpen(p=1.0),
A.Blur(p=1.0),
], p=0.5),
# Affine
A.OneOf([
A.ElasticTransform(p=1.0),
A.IAAPiecewiseAffine(p=1.0)
], p=0.5),
]
else:
self.transforms += [
A.Resize(self.img_size[0], self.img_size[1]),
]
def hard_transforms():
result = [
# random flip
albu.RandomRotate90(),
# Random shifts, stretches and turns with a 50% probability
albu.ShiftScaleRotate(shift_limit=0.1,
scale_limit=0.1,
rotate_limit=15,
border_mode=0,
p=0.5),
# add random brightness and contrast, 30% prob
albu.RandomBrightnessContrast(brightness_limit=0.2,
contrast_limit=0.2,
p=0.3),
# Random gamma changes with a 30% probability
albu.RandomGamma(gamma_limit=(85, 115), p=0.3),
# Randomly changes the hue, saturation, and color value of the input image
albu.HueSaturationValue(p=0.3),
albu.JpegCompression(quality_lower=80),
albu.OneOf([
albu.MotionBlur(p=0.2),
albu.MedianBlur(blur_limit=3, p=0.1),
albu.Blur(blur_limit=3, p=0.1),
],
p=0.2),
albu.OneOf([
albu.OpticalDistortion(p=0.3),
albu.GridDistortion(p=0.1),
albu.IAAPiecewiseAffine(p=0.3),
],
p=0.2),
]
return result
def get_train_transform():
crop_height = 256
crop_width = 256
return albu.Compose([
albu.PadIfNeeded(min_height=crop_height, min_width=crop_width, p=1),
albu.RandomSizedCrop((int(0.3 * crop_height), 288), crop_height, crop_width, p=1),
albu.HorizontalFlip(p=0.5),
albu.OneOf([
albu.IAAAdditiveGaussianNoise(p=0.5),
albu.GaussNoise(p=0.5),
], p=0.2),
albu.OneOf([
albu.MotionBlur(p=0.2),
albu.MedianBlur(blur_limit=3, p=0.1),
albu.Blur(blur_limit=3, p=0.1),
], p=0.2),
albu.ShiftScaleRotate(shift_limit=0.0625, scale_limit=0, rotate_limit=20, p=0.1),
albu.OneOf([
albu.OpticalDistortion(p=0.3),
albu.GridDistortion(p=0.1),
albu.IAAPiecewiseAffine(p=0.3),
], p=0.2),
albu.OneOf([
albu.CLAHE(clip_limit=2, p=0.5),
albu.IAASharpen(p=0.5),
albu.IAAEmboss(p=0.5),
albu.RandomBrightnessContrast(p=0.5),
], p=0.3),
albu.HueSaturationValue(p=0.3),
albu.JpegCompression(p=0.2, quality_lower=20, quality_upper=99),
albu.ElasticTransform(p=0.1),
albu.Normalize(p=1)
], p=1)
def albumentation():
transform = albumentations.Compose([
albumentations.OneOf([
albumentations.GaussNoise(),
albumentations.IAAAdditiveGaussianNoise()
]),
albumentations.OneOf([
albumentations.MotionBlur(blur_limit=3, p=0.2),
albumentations.MedianBlur(blur_limit=3, p=0.1),
albumentations.Blur(blur_limit=2, p=0.1)
]),
albumentations.OneOf([
albumentations.RandomBrightness(limit=(0.1, 0.4)),
albumentations.HueSaturationValue(hue_shift_limit=(0, 128), sat_shift_limit=(0, 60), val_shift_limit=(0, 20)),
albumentations.RGBShift(r_shift_limit=30, g_shift_limit=30, b_shift_limit=30)
]),
albumentations.OneOf([
albumentations.CLAHE(),
albumentations.ChannelShuffle(),
albumentations.IAASharpen(),
albumentations.IAAEmboss(),
albumentations.RandomBrightnessContrast(),
]),
albumentations.OneOf([
albumentations.RandomGamma(gamma_limit=(35,255)),
albumentations.OpticalDistortion(),
albumentations.GridDistortion(),
albumentations.IAAPiecewiseAffine()
]),
A_torch.ToTensor(normalize={
"mean": [0.485, 0.456, 0.406],
"std" : [0.229, 0.224, 0.225]})
])
return transform
def get_aug(mode="train"):
if mode=="Nor":
aug=A.Compose([
ToTensor(),
])
elif mode =="train":
print("train aug")
mean = (0.485,0.456,0.406)
std = (0.229,0.224,0.225)
aug=A.Compose([
A.Flip(),
A.ShiftScaleRotate(rotate_limit=1.0, p=0.8),
# Pixels
A.OneOf([
A.IAAEmboss(p=1.0),
A.IAASharpen(p=1.0),
A.Blur(p=1.0),
], p=0.5),
# Affine
A.OneOf([
A.ElasticTransform(p=1.0),
A.IAAPiecewiseAffine(p=1.0)
], p=0.5),
A.Normalize(mean=mean,std=std,max_pixel_value=255.0,always_apply=True),
])
else:
print("valid/test aug")
mean = (0.485,0.456,0.406)
std = (0.229,0.224,0.225)
aug=A.Compose([
A.Normalize(mean=mean,std=std,max_pixel_value=255.0,always_apply=True),
])
return aug
def get_augmentations(p=0.5, image_size=224):
imagenet_stats = {
"mean": [0.485, 0.456, 0.406],
"std": [0.229, 0.224, 0.225]
}
train_tfms = A.Compose([
# A.Resize(image_size, image_size),
A.RandomResizedCrop(image_size, image_size),
A.ShiftScaleRotate(shift_limit=0.15,
scale_limit=0.4,
rotate_limit=45,
p=p),
A.Cutout(p=p),
A.RandomRotate90(p=p),
A.Flip(p=p),
A.OneOf(
[
A.RandomBrightnessContrast(
brightness_limit=0.2,
contrast_limit=0.2,
),
A.HueSaturationValue(hue_shift_limit=20,
sat_shift_limit=50,
val_shift_limit=50),
],
p=p,
),
A.OneOf(
[
A.IAAAdditiveGaussianNoise(),
A.GaussNoise(),
],
p=p,
),
A.CoarseDropout(max_holes=10, p=p),
A.OneOf(
[
A.MotionBlur(p=0.2),
A.MedianBlur(blur_limit=3, p=0.1),
A.Blur(blur_limit=3, p=0.1),
],
p=p,
),
A.OneOf(
[
A.OpticalDistortion(p=0.3),
A.GridDistortion(p=0.1),
A.IAAPiecewiseAffine(p=0.3),
],
p=p,
),
ToTensor(normalize=imagenet_stats),
])
valid_tfms = A.Compose([
A.CenterCrop(image_size, image_size),
ToTensor(normalize=imagenet_stats)
])
return train_tfms, valid_tfms
def __init__(self, p=0.5):
self.p = p
self.scr = albu.ShiftScaleRotate(shift_limit=0.1,
scale_limit=0.0,
rotate_limit=15,
p=self.p)
self.ig = albu.IAAAdditiveGaussianNoise(p=self.p)
self.ipa = albu.IAAPiecewiseAffine(p=self.p)
def get_train_transforms(p=1.0):
return A.Compose(
[
A.OneOf(
[
A.CenterCrop(2 * IMG_SIZE // 3, 2 * IMG_SIZE // 3, p=0.5),
A.CenterCrop(3 * IMG_SIZE // 4, 3 * IMG_SIZE // 4, p=0.5),
],
p=0.33,
),
A.Resize(
IMG_SIZE, IMG_SIZE, interpolation=1, always_apply=True, p=1),
A.Flip(),
A.Transpose(),
GridMask(num_grid=(1, 4), rotate=15, p=0.33),
A.OneOf(
[
A.MedianBlur(blur_limit=3, p=0.5),
A.Blur(blur_limit=3, p=0.5),
],
p=0.5,
),
A.OneOf(
[
A.ShiftScaleRotate(
interpolation=1,
shift_limit=0.05,
scale_limit=0.1,
rotate_limit=15,
p=0.5,
),
A.IAAPiecewiseAffine(scale=(0.02, 0.04), p=0.5),
],
p=0.33,
),
A.OneOf(
[
A.HueSaturationValue(
hue_shift_limit=20,
sat_shift_limit=30,
val_shift_limit=20,
p=0.5,
),
A.RandomBrightnessContrast(p=0.5),
],
p=0.5,
),
A.MultiplicativeNoise(
multiplier=[0.9, 1.1], elementwise=True, p=0.3),
A.Normalize(mean, std, max_pixel_value=255.0, always_apply=True),
ToTensorV2(p=1.0),
],
p=p,
)
def spatial_and_noise(p):
return albu.Compose([
albu.ShiftScaleRotate(rotate_limit=30,
scale_limit=15,
border_mode=cv2.BORDER_CONSTANT,
value=-1024,
p=0.5),
albu.IAAAdditiveGaussianNoise(p=0.2),
albu.IAAPerspective(p=0.2),
albu.IAAPiecewiseAffine(p=0.2)
], p=p, additional_targets={'image{}'.format(_) : 'image' for _ in range(1, 101)})
def DistortionBase():
return A.Compose([
A.OneOf(
[
A.IAAPerspective(),
A.IAAPiecewiseAffine(),
A.GridDistortion(),
A.OpticalDistortion(distort_limit=2, shift_limit=0.5),
],
p=0.50,
)
])
def create_train_transform(flip,
noise,
cutout,
resize,
size = 112,
bright = True):
translist = []
if flip:
translist+=[albumentations.OneOf([
albumentations.Rotate(limit=30),
albumentations.IAAPiecewiseAffine(),
albumentations.ShiftScaleRotate(
shift_limit=0.02,
scale_limit=0.3,
rotate_limit=10,
),
albumentations.HorizontalFlip()],p=0.7)]
if noise:
translist+=[albumentations.OneOf([
albumentations.MotionBlur(blur_limit=6),
albumentations.MedianBlur(blur_limit=5),
albumentations.OpticalDistortion(),
albumentations.CLAHE(),
albumentations.GaussNoise(var_limit=(5.0,20.0))], p=0.75)]
if bright:
translist+=[albumentations.OneOf([
albumentations.RandomBrightness(limit=0.6),
#albumentations.Sharpen(),
albumentations.ColorJitter(),
albumentations.RandomBrightnessContrast(brightness_limit=0.6, contrast_limit=0.6)],p=0.7)]
if cutout:
translist+=[albumentations.OneOf([
albumentations.CoarseDropout(),
albumentations.Cutout(max_h_size = int(size * np.random.rand(1)*0.5), max_w_size = int(size * np.random.rand(1)*0.5), num_holes=np.random.randint(1,3))
],p=0.75)]
if resize:
translist+=[albumentations.Resize(size+10, size+10, interpolation=2)]
translist+=[albumentations.RandomCrop(size,size,always_apply=True)]
#translist+=[albumentations.Normalize(mean=(0.2481, 0.2292, 0.2131), std = (0.2167,0.2071,0.2014))]
#translist+=[albumentations.Normalize(mean=(0.2248, 0.2080, 0.1929), std = (0.2231, 0.2140, 0.2083))]
#trainlist+=[albumentations.Normalize(mean=(0.2539, 0.2348, 0.2189), std = (0.2195,0.2110,0.2061))]
#translist+=[albumentations.Normalize(mean=(0.2580, 0.2360, 0.2215), std = (0.2235, 0.2132, 0.2100))]
translist+=[albumentations.Normalize(mean=(0.1977, 0.2115, 0.2275), std = (0.2177, 0.2227, 0.2317))]
#translist+=[albumentations.Normalize(mean=(0.2527, 0.2343, 0.2177), std = (0.2171, 0.2082, 0.2026))]
transform = albumentations.Compose(translist)
return transform
def hard_transforms_2():
black = (0, 0, 0)
result = [
albu.Flip(),
albu.RandomRotate90(),
albu.OneOf([
albu.IAAAdditiveGaussianNoise(),
albu.GaussNoise(),
],
p=0.2),
albu.CoarseDropout(),
albu.OneOf(
[
# albu.MotionBlur(p=0.2),
albu.MedianBlur(p=0.1),
albu.Blur(blur_limit=3, p=0.1)
],
p=0.2),
albu.ShiftScaleRotate(shift_limit=0.0625,
scale_limit=0.2,
rotate_limit=45,
border_mode=cv2.BORDER_CONSTANT,
value=black,
mask_value=black,
p=0.2),
albu.OneOf(
[
albu.CLAHE(clip_limit=2),
albu.IAASharpen(),
# IAAEmboss(),
albu.RandomBrightnessContrast(brightness_limit=0.2,
contrast_limit=0.2),
],
p=0.3),
albu.OneOf([
albu.OpticalDistortion(border_mode=cv2.BORDER_CONSTANT,
value=black,
mask_value=black,
p=0.3),
albu.GridDistortion(border_mode=cv2.BORDER_CONSTANT,
value=black,
mask_value=black,
p=0.1),
albu.IAAPiecewiseAffine(p=0.3),
],
p=0.2),
albu.HueSaturationValue(p=0.3)
]
return result
def data_total():
return A.Compose([
A.HorizontalFlip(p=0.5),
A.ShiftScaleRotate(),
A.RandomBrightnessContrast(brightness_limit=0.15, contrast_limit=0.2, p=0.5),
A.RandomResizedCrop(512,512,scale = (0.5,0.8)),
A.VerticalFlip(p=0.5),
A.OneOf([
A.OpticalDistortion(p=0.45),
A.GridDistortion(p=0.1),
A.IAAPiecewiseAffine(p=0.45)
], p=0.5),
ToTensorV2()
])
def __init__(self, p=0.5):
self.zhiguang = True
if self.zhiguang:
self.blur = albu.Blur(blur_limit=3, p=0.5)
self.chanelshuffle = albu.ChannelShuffle(p=0.5)
self.hueSaturation = albu.HueSaturationValue(p=0.5)
#albu.InvertImg(p=0.2),
self.togray = albu.ToGray(p=0.2)
else:
self.p = p
self.scr = albu.ShiftScaleRotate(shift_limit=0.1,
scale_limit=0.0,
rotate_limit=15,
p=self.p)
self.ig = albu.IAAAdditiveGaussianNoise(p=self.p)
self.ipa = albu.IAAPiecewiseAffine(p=self.p)
def __init__(self):
self.policy = A.Compose([
A.OneOf([
A.Rotate(180),
A.Flip(),
], p=0.3),
A.ShiftScaleRotate(shift_limit=0.2, scale_limit=0.5, rotate_limit=0, p=0.2),
A.OneOf([
A.CoarseDropout(max_holes=16, max_height=16, max_width=16, p=0.3),
A.GridDropout(ratio=0.3, p=0.3),
]),
A.OneOf([
A.ElasticTransform(sigma=10, alpha_affine=25, p=0.3),
A.RandomFog(fog_coef_lower=0.2, fog_coef_upper=0.7, p=0.2),
], p=0.2),
A.OneOf([
A.IAAAdditiveGaussianNoise(),
A.GaussNoise(),
A.ISONoise()
], p=0.2),
A.OneOf([
A.MotionBlur(p=.3),
A.MedianBlur(blur_limit=5, p=0.3),
A.Blur(blur_limit=5, p=0.3),
A.GaussianBlur(p=0.3)
], p=0.2),
A.OneOf([
A.ChannelShuffle(p=.3),
A.HueSaturationValue(p=0.3),
A.ToGray(p=0.3),
A.ChannelDropout(p=0.3),
A.InvertImg(p=0.1)
], p=0.2),
A.OneOf([
A.OpticalDistortion(p=0.3),
A.GridDistortion(p=.2),
A.IAAPiecewiseAffine(p=0.3),
], p=0.2),
A.OneOf([
A.CLAHE(clip_limit=2),
A.IAASharpen(),
A.IAAEmboss(),
], p=0.2),
A.RandomBrightnessContrast(brightness_limit=0.3, contrast_limit=0.3, p=0.3),
A.Solarize(p=0.2),
])
def hard_transforms():
result = [
# Random shifts, stretches and turns with a 50% probability
A.Flip(),
A.ShiftScaleRotate(rotate_limit=1.0, p=0.8),
# Pixels
A.OneOf([
A.IAAEmboss(p=1.0),
A.IAASharpen(p=1.0),
A.Blur(p=1.0),
], p=0.5),
# Affine
A.OneOf([
A.ElasticTransform(p=1.0),
A.IAAPiecewiseAffine(p=1.0)
], p=0.5),
]
return result
def data_augmentation(image_path, aug_num):
image = cv2.imread(image_path, cv2.IMREAD_COLOR)
image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
augmentation = A.Compose(
[
A.RandomRotate90(),
A.Flip(),
A.Transpose(),
A.OneOf([
A.IAAAdditiveGaussianNoise(),
A.GaussNoise(),
], p=0.2),
A.OneOf([
A.MotionBlur(p=0.2),
A.MedianBlur(blur_limit=3, p=0.1),
A.Blur(blur_limit=3, p=0.1),
],
p=0.2),
A.ShiftScaleRotate(
shift_limit=0.0625, scale_limit=0.2, rotate_limit=45, p=0.2),
A.OneOf([
A.OpticalDistortion(p=0.3),
A.GridDistortion(p=0.1),
A.IAAPiecewiseAffine(p=0.3),
],
p=0.2),
A.OneOf([
A.CLAHE(clip_limit=2),
A.IAASharpen(),
A.IAAEmboss(),
A.RandomBrightnessContrast(),
],
p=0.3),
# A.HueSaturationValue(p=0.3),
],
p=0.5)
patches = []
for _ in range(aug_num):
patches.append(augmentation(image=image)['image'])
return patches
def _setup_transform(self, cfg):
# Albumentation example: https://albumentations.readthedocs.io/en/latest/examples.html
self.img_mask_transform = A.Compose([
A.ShiftScaleRotate(shift_limit=0.1, scale_limit=0.2, rotate_limit=175, p=0.8, border_mode=cv2.BORDER_CONSTANT),
A.Flip(),
A.Transpose(),
A.OneOf([
A.ElasticTransform(),
A.OpticalDistortion(),
A.GridDistortion(),
A.IAAPiecewiseAffine(),
]),
A.OneOf([
A.RandomCrop(height=self.size_crop,width=self.size_crop,p=0.5),
A.CenterCrop(height=self.size_crop,width=self.size_crop,p=0.5)
]),
A.Cutout(num_holes=8, max_h_size=8, max_w_size=8, fill_value=0,p=0.5),
],p=0.8)
self.img_pixel_transform = A.Compose([
A.OneOf([
A.IAAAdditiveGaussianNoise(),
A.GaussNoise(),
], p=0.2),
A.OneOf([
A.MotionBlur(p=0.2),
A.MedianBlur(blur_limit=3, p=0.1),
A.Blur(blur_limit=3, p=0.1),
], p=0.2),
A.OneOf([
A.IAASharpen(),
A.IAAEmboss(),
# A.RandomBrightnessContrast(),
], p=0.3),
A.HueSaturationValue(hue_shift_limit=3,sat_shift_limit=20,val_shift_limit=3 ,p=0.2),
],p=0.5)
# Torch transform
self.resize_transform = transforms.Resize(cfg.MODEL.IMAGE_SIZE, Image.NEAREST)
self.to_tensor_transform = transforms.ToTensor()
self.normalize_transform = transforms.Normalize(mean=cfg.TRAIN.NORMALIZE_MEAN, std=cfg.TRAIN.NORMALIZE_STD)
