def get_data_transforms(self):
cfg = self.cfg
bbox_params = self.get_bbox_params()
transform = Compose([Resize(cfg.data.img_sz, cfg.data.img_sz)],
bbox_params=bbox_params)
augmentors_dict = {
'Blur': Blur(),
'RandomRotate90': RandomRotate90(),
'HorizontalFlip': HorizontalFlip(),
'VerticalFlip': VerticalFlip(),
'GaussianBlur': GaussianBlur(),
'GaussNoise': GaussNoise(),
'RGBShift': RGBShift(),
'ToGray': ToGray()
}
aug_transforms = []
for augmentor in cfg.data.augmentors:
try:
aug_transforms.append(augmentors_dict[augmentor])
except KeyError as e:
log.warning(
'{0} is an unknown augmentor. Continuing without {0}. \
Known augmentors are: {1}'.format(
e, list(augmentors_dict.keys())))
aug_transforms.append(Resize(cfg.data.img_sz, cfg.data.img_sz))
aug_transform = Compose(aug_transforms, bbox_params=bbox_params)
return transform, aug_transform
def get_data_transforms(self) -> Tuple[BasicTransform, BasicTransform]:
"""Get albumentations transform objects for data augmentation.
Returns:
1st tuple arg: a transform that doesn't do any data augmentation
2nd tuple arg: a transform with data augmentation
"""
cfg = self.cfg
bbox_params = self.get_bbox_params()
transform = Compose([Resize(cfg.data.img_sz, cfg.data.img_sz)],
bbox_params=bbox_params)
augmentors_dict = {
'Blur': Blur(),
'RandomRotate90': RandomRotate90(),
'HorizontalFlip': HorizontalFlip(),
'VerticalFlip': VerticalFlip(),
'GaussianBlur': GaussianBlur(),
'GaussNoise': GaussNoise(),
'RGBShift': RGBShift(),
'ToGray': ToGray()
}
aug_transforms = []
for augmentor in cfg.data.augmentors:
try:
aug_transforms.append(augmentors_dict[augmentor])
except KeyError as e:
log.warning(
'{0} is an unknown augmentor. Continuing without {0}. \
Known augmentors are: {1}'.format(
e, list(augmentors_dict.keys())))
aug_transforms.append(Resize(cfg.data.img_sz, cfg.data.img_sz))
aug_transform = Compose(aug_transforms, bbox_params=bbox_params)
return transform, aug_transform
def get_train_transform(image_size, augmentation=None):
if augmentation is None:
augmentation = 'none'
LEVELS = {
'none': get_none_augmentations,
'light': get_light_augmentations,
'medium': get_medium_augmentations,
'hard': get_hard_augmentations,
'hard2': get_hard_augmentations_v2
}
assert augmentation in LEVELS.keys()
augmentation = LEVELS[augmentation](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), augmentation,
A.Normalize(),
ToTensor()
])
def main():
# augmentation
transform_aug = Compose([
aug.HueSaturationValue(),
aug.RandomBrightnessContrast(),
aug.CLAHE(),
aug.JpegCompression(),
aug.GaussNoise(),
aug.MedianBlur(),
aug.ElasticTransform(),
aug.HorizontalFlip(),
aug.Rotate(),
aug.CoarseDropout(),
aug.RandomSizedCrop()
],
p=1)
# transform for output
transform = Compose([
Resize(cons.IMAGE_SIZE, cons.IMAGE_SIZE),
Normalize(
mean=(0.5, 0.5, 0.5), std=(0.5, 0.5, 0.5), max_pixel_value=255.0)
],
p=1)
# Dataset
'''
dataset = UkiyoeTrainDataset(
train_images_path='data',
train_labels_path='data',
valid=False,
confidence_boader=0.87,
result_path='result/model_effi_b3/efficientnet_b3_980/inference_with_c.csv',
test_images_path='data',
over_sampling=False,
transform_aug=None,
augmix=False,
mixup=False,
transform=transform)
img, label = dataset[0]
#print(img.shape)
#plt.imshow(img)
#plt.show()
'''
# train data loader
loader = load_train_data(train_images_path='data',
train_labels_path='data',
batch_size=2,
valid=False,
nfold=0,
transform_aug=None,
augmix=True,
mixup=False,
transform=transform,
as_numpy=True)
image_batch, label_batch = next(loader.__iter__())
print(image_batch[0].shape)
print(label_batch[0].shape)
'''
def val_transfrom(self, image, image_size):
transform = Compose([
Resize(image_size, image_size, interpolation=cv2.INTER_AREA),
Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225]),
ToTensorV2()
])
image_transform = transform(image=image)['image']
return image_transform
def __init__(self, root_dir, transform=None):
self.root_dir = root_dir
self.fg_fns = os.listdir(Path(root_dir / 'fg'))
self.bg_fns = os.listdir(Path(root_dir / 'bg'))
self.rc320 = RandomCrop(height=320, width=320, always_apply=True)
self.rc480 = RandomCrop(height=480, width=480, always_apply=True)
self.rc640 = RandomCrop(height=640, width=640, always_apply=True)
self.resize = Resize(height=320, width=320, always_apply=True)
self.flip = Flip(p=.75)
def train_transfrom(image, size=256):
transform = Compose([
Resize(size, size, interpolation=cv2.INTER_AREA),
Flip(),
RandomBrightnessContrast(),
HueSaturationValue(),
Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225]),
ToTensorV2()
])
image_transform = transform(image=image)['image']
return image_transform
def test_transfrom(
image,
size=256
): # note that test image size is same as crop_size in get_transfrom
transform = Compose([
Resize(size, size, interpolation=cv2.INTER_AREA),
Normalize(mean=[0.3835, 0.3737, 0.3698], std=[1.0265, 1.0440, 1.0499]),
ToTensorV2()
])
image_transform = transform(image=image)['image']
return image_transform
def base_transform(height, width, mappings, p=2 / 3):
return Compose([
OneOf([
JpegCompression(quality_lower=20, quality_upper=70, p=0.5),
Downscale(scale_min=0.25, scale_max=0.50, interpolation=1, p=0.5),
Resize(height // 4, width // 4, interpolation=1, p=0.5)
],
p=1.0),
HorizontalFlip(p=0.5)
],
p=p,
additional_targets=mappings)
def main(argv=None):
loader = load_test_data(
data_path=FLAGS.test_images_path,
batch_size=1,
transform=Compose([
Resize(cons.IMAGE_SIZE,cons.IMAGE_SIZE),
Normalize(mean=(0.5,0.5,0.5),std=(0.5,0.5,0.5),max_pixel_value=255.0)]))
data_len = UkiyoeTestDataset(data_path=FLAGS.test_images_path).__len__()
confidence_sum = np.zeros((data_len,cons.NUM_CLASSES))
ratio_sum = 0
for e in range(len(PARAM_LIST)):
ratio_sum = ratio_sum + PARAM_LIST[e]['ratio']
PARAM_PATH = FLAGS.params_path + PARAM_LIST[e]['model']
model = models.get_model(model_name=PARAM_LIST[e]['model'].split('/')[2],num_classes=cons.NUM_CLASSES)
if PARAM_LIST[e]['fix']:
model.load_state_dict(fix_model_state_dict(torch.load(PARAM_PATH)))
else:
model.load_state_dict(torch.load(PARAM_PATH))
confidence_sum = confidence_sum + inference_loop(model,loader,data_len)*PARAM_LIST[e]['ratio']
pred = np.argmax(confidence_sum, axis=1)
confidence = confidence_sum/ratio_sum
if FLAGS.adjust_inference:
pred = adjust_inference(pred,confidence,data_len)
result = pd.DataFrame(columns=['id','y'])
if FLAGS.output_confidence:
result_with_c = pd.DataFrame(columns=['id','y','confidence'])
for idx,feed in enumerate(loader):
id,_ = feed
result = result.append(
pd.Series(
[id.data.numpy()[0], pred[idx]],
index=result.columns),
ignore_index=True)
if FLAGS.output_confidence:
result_with_c = result_with_c.append(
pd.Series(
[id.data.numpy()[0], pred[idx], confidence[idx,pred[idx]]],
index=result_with_c.columns),
ignore_index=True)
RESULT_DIR = FLAGS.result_path +'/'+ FLAGS.case
os.makedirs(RESULT_DIR,exist_ok=True)
result.to_csv(RESULT_DIR +'/inference.csv', index=False)
if FLAGS.output_confidence:
result_with_c[['id','y']] = result_with_c[['id','y']].astype(int)
result_with_c.to_csv(RESULT_DIR +'/inference_with_c.csv', index=False)
def get_transfrom(image, size=512, crop_size=256):
transform = Compose([
Resize(size, size, interpolation=cv2.INTER_AREA),
RandomCrop(crop_size, crop_size),
Cutout(num_holes=4),
HueSaturationValue(hue_shift_limit=0.2,
sat_shift_limit=0.2,
val_shift_limit=0.2),
RandomBrightnessContrast(brightness_limit=0.2, contrast_limit=0.2),
Flip(),
Normalize(mean=[0.3835, 0.3737, 0.3698], std=[1.0265, 1.0440, 1.0499]),
ToTensorV2()
])
image_transform = transform(image=image)['image']
return image_transform
def main(argv=None):
PARAM_PATH = FLAGS.params_path + '/' + FLAGS.case + '/' + FLAGS.model_name + '/fold' + str(
FLAGS.nfold)
RESULT_DIR = FLAGS.result_path + '/' + FLAGS.case + '/' + FLAGS.model_name
if FLAGS.pseudo_labeling:
PARAM_PATH = PARAM_PATH + '/with_pseudo_labeling'
RESULT_DIR = RESULT_DIR + '/with_pseudo_labeling'
PARAM_PATH = PARAM_PATH + '/' + FLAGS.case
RESULT_DIR = RESULT_DIR + '/' + FLAGS.case
if FLAGS.is_best_param:
PARAM_PATH = PARAM_PATH + '_best'
RESULT_DIR = RESULT_DIR + '_best'
else:
PARAM_PATH = PARAM_PATH + '_' + str(FLAGS.executed_epoch)
RESULT_DIR = RESULT_DIR + '_' + str(FLAGS.executed_epoch)
if FLAGS.is_final_epoch:
PARAM_PATH = PARAM_PATH + '_final'
RESULT_DIR = RESULT_DIR + '_final'
PARAM_PATH = PARAM_PATH + '.pth'
loader = load_test_data(data_path=FLAGS.test_images_path,
batch_size=1,
transform=Compose([
Resize(cons.IMAGE_SIZE, cons.IMAGE_SIZE),
Normalize(mean=(0.5, 0.5, 0.5),
std=(0.5, 0.5, 0.5),
max_pixel_value=255.0)
]))
model = models.get_model(model_name=FLAGS.model_name,
num_classes=cons.NUM_CLASSES)
if FLAGS.fix_state_dict:
model.load_state_dict(fix_model_state_dict(torch.load(PARAM_PATH)))
else:
model.load_state_dict(torch.load(PARAM_PATH))
result = inference_loop(model, loader, FLAGS.output_confidence)
os.makedirs(RESULT_DIR, exist_ok=True)
result.to_csv(RESULT_DIR + '/inference.csv', index=False)
if FLAGS.output_confidence:
result.to_csv(RESULT_DIR + '/inference_with_c.csv', index=False)
def transform(self, img: t.Any) -> t.Any:
max_hw = max(img.shape[0:2])
img = PadIfNeeded(max_hw, max_hw, border_mode=cv2.BORDER_REPLICATE)(image=img)[
"image"
]
img = Resize(self.resolution, self.resolution)(image=img)["image"]
img = Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225],)(
image=img
)["image"]
if self.mode == "Train":
img = RandomResizedCrop(self.resolution, self.resolution)(image=img)[
"image"
]
img = Cutout(p=0.2)(image=img)["image"]
img = HorizontalFlip(p=0.5)(image=img)["image"]
img = ShiftScaleRotate(
shift_limit=0.1, scale_limit=0.0, rotate_limit=10, p=0.3
)(image=img)["image"]
img = ToTensorV2()(image=img)["image"]
return img
def even_more_transform(height, width, mappings, p=2 / 3):
scale = random.randint(2, 4)
return Compose([
OneOf([
JpegCompression(quality_lower=20, quality_upper=70, p=0.5),
Downscale(scale_min=0.25, scale_max=0.50, interpolation=1, p=0.5),
Resize(height // scale, width // scale, interpolation=1, p=1.0)
],
p=0.6),
HorizontalFlip(p=0.5),
A.augmentations.transforms.GaussNoise(p=0.2),
A.RandomBrightnessContrast(p=0.2),
A.RandomGamma(p=0.2),
A.CLAHE(p=0.2),
A.ChannelShuffle(p=0.2),
A.MultiplicativeNoise(multiplier=[0.5, 1.5], elementwise=True, p=0.1),
A.HueSaturationValue(
hue_shift_limit=10, sat_shift_limit=10, val_shift_limit=10, p=0.2),
],
p=0.9,
additional_targets=mappings)
def preprocess(resize):
return Compose([
Resize(height=resize, width=resize, p=1),
Lambda(image=preprocess_input)
],
p=1) # always apply
def __getitem__(self, index: int):
while True:
video, img_file, label, ori_video, frame, fold = self.data[index]
try:
if self.mode == "train":
label = np.clip(label, self.label_smoothing,
1 - self.label_smoothing)
img_path = os.path.join(self.data_root, self.crops_dir, video,
img_file)
image = cv2.imread(img_path, cv2.IMREAD_COLOR)
image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
image_width, image_height = image.shape[:2]
mask = np.zeros(image.shape[:2], dtype=np.uint8)
diff_path = os.path.join(self.data_root, "diffs", video,
img_file[:-4] + "_diff.png")
landmark_path = os.path.join(self.data_root, "landmarks",
ori_video, img_file[:-4] + ".npy")
try:
msk = cv2.imread(diff_path, cv2.IMREAD_GRAYSCALE)
if msk is not None:
mask = msk
except:
print("not found mask", diff_path)
pass
if self.mode == "train" and self.hardcore and not self.rotation:
if os.path.exists(landmark_path) and random.random() < 0.7:
landmarks = np.load(landmark_path)
image = remove_landmark(image, landmarks)
elif random.random() < 0.2:
blackout_convex_hull(image)
elif random.random() < 0.1:
binary_mask = mask > 0.4 * 255
masks = prepare_bit_masks(
(binary_mask * 1).astype(np.uint8))
tries = 6
current_try = 1
while current_try < tries:
bitmap_msk = random.choice(masks)
if label < 0.5 or np.count_nonzero(
mask * bitmap_msk) > 20:
mask *= bitmap_msk
image *= np.expand_dims(bitmap_msk, axis=-1)
break
current_try += 1
if self.mode == "train" and self.padding_part > 3:
image = change_padding(image, self.padding_part)
valid_label = np.count_nonzero(
mask[mask > 20]) > 32 or label < 0.5
valid_label = 1 if valid_label else 0
rotation = 0
if self.transforms:
data = self.transforms(image=image, mask=mask)
image = data["image"]
mask = data["mask"]
if self.mode == "train" and self.hardcore and self.rotation:
# landmark_path = os.path.join(self.data_root, "landmarks", ori_video, img_file[:-4] + ".npy")
dropout = 0.8 if label > 0.5 else 0.6
if self.rotation:
dropout *= 0.7
elif random.random() < dropout:
blackout_random(image, mask, label)
#
# os.makedirs("../images", exist_ok=True)
# cv2.imwrite(os.path.join("../images", video+ "_" + str(1 if label > 0.5 else 0) + "_"+img_file), image[...,::-1])
if self.mode == "train" and self.rotation:
rotation = random.randint(0, 3)
image = rot90(image, rotation)
image = img_to_tensor(image, self.normalize)
# assuming the image size is 380*380
image_size = 380
image = Resize(image_size, image_size)
rect = detector(img)[0]
x = rect.left()
y = rect.top()
w = rect.right() - x
h = rect.buttom() - y
top_left = np.array([x, y])
top_right = np.array([x + w, y])
bottom_left = np.array([x, y + h])
bottom_right = np.array([x + w, y + h])
# insert the face rectangle points into the landmark data
landmark = np.insert(landmark, 0, top_left, axis=0)
landmark = np.insert(landmark, 0, top_right, axis=0)
landmark = np.insert(landmark, 0, bottom_left, axis=0)
landmark = np.insert(landmark, 0, bottom_right, axis=0)
# perform scaling for the landmark
for i in landmark:
i[0] = round(image_size * (i[0] / image_width))
i[1] = round(image_size * (i[1] / image_height))
return {
"image": image,
"labels": np.array((label, )),
"img_name": os.path.join(video, img_file),
"valid": valid_label,
"rotations": rotation,
"landmark": landmark
}
except Exception as e:
traceback.print_exc(file=sys.stdout)
print(
"Broken image",
os.path.join(self.data_root, self.crops_dir, video,
img_file))
index = random.randint(0, len(self.data) - 1)
def transform(height, width, mappings, p=1.0):
return Compose([
Resize(height//4,width//4, interpolation=1, p=1.0)
], p=p,
additional_targets=mappings)
from albumentations import (
HorizontalFlip, IAAPerspective, ShiftScaleRotate, CLAHE, RandomRotate90,
Transpose, Blur, OpticalDistortion, GridDistortion, HueSaturationValue,
IAAAdditiveGaussianNoise, GaussNoise, MotionBlur, MedianBlur, IAAPiecewiseAffine,
IAASharpen, IAAEmboss, RandomContrast, RandomBrightness, Flip, OneOf, Compose, RandomGamma,
ElasticTransform, ChannelShuffle,RGBShift, Rotate, Cutout
)
# YOUR PATH
path = f'/mnt/c/Users/bokhy/Desktop/Python/github/kaggle/bengaliai-cv19/input/'
HEIGHT = 137
WIDTH = 236
# Augmentation
train_augmentation = Compose([
Resize(HEIGHT,WIDTH, always_apply= True),
Normalize(mean, std, always_apply = True),
Rotate(),
Flip(),
OneOf([
IAAAdditiveGaussianNoise(),
GaussNoise(),
], p=0.2),
OneOf([
MotionBlur(p=0.2),
MedianBlur(blur_limit=3, p=0.1),
Blur(blur_limit=3, p=0.1),
], p=0.2),
ShiftScaleRotate(shift_limit=0.0625, scale_limit=0.2, rotate_limit=45, p=.2),
OneOf([
OpticalDistortion(p=0.3),
import albumentations
from albumentations.augmentations.transforms import Resize, RandomSizedCrop, ShiftScaleRotate, HorizontalFlip, Normalize, RandomBrightnessContrast, MotionBlur, Blur, GaussNoise, JpegCompression
train_transform = albumentations.Compose([
RandomSizedCrop(min_max_height=(input_size//3,input_size//3),height=input_size,width=input_size),
ShiftScaleRotate(p=0.3, scale_limit=0.25, border_mode=1, rotate_limit=25),
HorizontalFlip(p=0.2),
RandomBrightnessContrast(p=0.3, brightness_limit=0.25, contrast_limit=0.5),
MotionBlur(p=.2),
GaussNoise(p=.2),
JpegCompression(p=.2, quality_lower=50),
Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
])
val_transform = albumentations.Compose([
Resize(input_size,input_size),
Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
])
class MyDataset(data.Dataset):
def __init__(self,root,transforms = None,is_train=True):
"""
主要目标获取所有图片的地址
"""
fake_path = os.path.join(root,"fake")
real_path = os.path.join(root,"real")
fake_imgs = [os.path.join(fake_path,each) for each in os.listdir(fake_path) if each.endswith(".jpg") or each.endswith(".png") or each.endswith(".jpeg") or each.endswith(".JPG")]
real_imgs = [os.path.join(real_path,each) for each in os.listdir(real_path) if each.endswith(".jpg") or each.endswith(".png") or each.endswith(".jpeg") or each.endswith(".JPG")]
imgs = fake_imgs+real_imgs
def main(argv=None):
transform = Compose([
Resize(cons.IMAGE_SIZE, cons.IMAGE_SIZE),
Normalize(mean=(0.5, 0.5, 0.5),
std=(0.5, 0.5, 0.5),
max_pixel_value=255.0)
])
valid_loader = load_train_data(train_images_path=FLAGS.train_images_path,
train_labels_path=FLAGS.train_labels_path,
batch_size=FLAGS.batch_size,
num_worker=FLAGS.num_worker,
valid=True,
nfold=FLAGS.nfold,
transform=transform)
model = models.get_model(model_name=FLAGS.model_name,
num_classes=cons.NUM_CLASSES)
model.cuda()
#model = torch.nn.DataParallel(model)
DIR = '/' + FLAGS.case + '/' + FLAGS.model_name + '/fold' + str(
FLAGS.nfold)
RESULT_PATH = ''
if FLAGS.confidence_border is not None:
DIR = DIR + '/with_pseudo_labeling'
RESULT_PATH = RESULT_PATH + FLAGS.result_path
if FLAGS.result_case is not None:
RESULT_PATH = RESULT_PATH + '/' + FLAGS.result_case
RESULT_PATH = RESULT_PATH + '/inference_with_c.csv'
PARAM_DIR = FLAGS.params_path + DIR
os.makedirs(PARAM_DIR, exist_ok=True)
PARAM_NAME = PARAM_DIR + '/' + FLAGS.case
if FLAGS.executed_epoch > 0:
TRAINED_PARAM_PATH = FLAGS.restart_param_path + '/' + FLAGS.case + str(
FLAGS.executed_epoch)
restart_epoch = FLAGS.executed_epoch + 1
if FLAGS.restart_from_final:
TRAINED_PARAM_PATH = TRAINED_PARAM_PATH + '_final'
TRAINED_PARAM_PATH = TRAINED_PARAM_PATH + '.pth'
model.load_state_dict(torch.load(TRAINED_PARAM_PATH))
else:
restart_epoch = 0
optimizer = optim.Adam(model.parameters(), lr=cons.start_lr)
model, optimizer = amp.initialize(model,
optimizer,
opt_level=FLAGS.opt_level)
if FLAGS.add_class_weight:
loader = load_train_data(train_images_path=FLAGS.train_images_path,
train_labels_path=FLAGS.train_labels_path,
batch_size=FLAGS.batch_size,
num_worker=FLAGS.num_worker,
nfold=FLAGS.nfold)
count_label = np.zeros(10, dtype=np.int64)
for feed in loader:
_, labels = feed
count_label += np.sum(labels.numpy().astype(np.int64), axis=0)
weight = torch.from_numpy(count_label).cuda()
else:
weight = None
criterion = nn.BCEWithLogitsLoss(weight=weight)
writer = SummaryWriter(log_dir=FLAGS.logs_path + DIR + '/tensorboardX/')
best_acc = 0
if FLAGS.augmentation and FLAGS.aug_decrease:
p = 0.5
for e in range(restart_epoch, FLAGS.final_epoch):
p_partical = p * (FLAGS.final_epoch - e) / FLAGS.final_epoch
lr = set_lr.cosine_annealing(optimizer, cons.start_lr, e, 100)
writer.add_scalar('LearningRate', lr, e)
train_loader = load_train_data(
train_images_path=FLAGS.train_images_path,
train_labels_path=FLAGS.train_labels_path,
batch_size=FLAGS.batch_size,
num_worker=FLAGS.num_worker,
nfold=FLAGS.nfold,
confidence_border=FLAGS.confidence_border,
result_path=RESULT_PATH,
test_images_path=FLAGS.test_images_path,
over_sampling=FLAGS.over_sampling,
transform_aug=Compose([
aug.HueSaturationValue(p=p_partical),
aug.RandomBrightnessContrast(p=p_partical),
aug.CLAHE(p=p_partical),
aug.JpegCompression(p=p_partical),
aug.GaussNoise(p=p),
aug.MedianBlur(p=p),
aug.ElasticTransform(p=p_partical),
aug.HorizontalFlip(p=p),
aug.Rotate(p=p),
aug.CoarseDropout(p=p_partical),
aug.RandomSizedCrop(p=p)
]),
mixup=FLAGS.mixup,
transform=transform)
train_loss = train_loop(model, train_loader, criterion, optimizer)
writer.add_scalar('train_loss', train_loss, e)
valid_loss, valid_acc = valid_loop(model, valid_loader, criterion)
writer.add_scalar('valid_loss', valid_loss, e)
writer.add_scalar('valid_acc', valid_acc, e)
print(
'Epoch: {}, Train Loss: {:.4f}, Valid Loss: {:.4f}, Valid Accuracy:{:.2f}'
.format(e + 1, train_loss, valid_loss, valid_acc))
if e % 10 == 0:
torch.save(model.state_dict(),
PARAM_NAME + '_' + str(e) + '.pth')
if valid_acc > best_acc:
best_acc = valid_acc
torch.save(model.state_dict(), PARAM_NAME + '_best.pth')
else:
if FLAGS.augmentation and not FLAGS.augmix:
transform_aug = Compose([
aug.HueSaturationValue(),
aug.RandomBrightnessContrast(),
aug.CLAHE(),
aug.JpegCompression(),
aug.GaussNoise(),
aug.MedianBlur(),
aug.ElasticTransform(),
aug.HorizontalFlip(),
aug.Rotate(),
aug.CoarseDropout(),
aug.RandomSizedCrop()
])
else:
transform_aug = None
train_loader = load_train_data(
train_images_path=FLAGS.train_images_path,
train_labels_path=FLAGS.train_labels_path,
batch_size=FLAGS.batch_size,
num_worker=FLAGS.num_worker,
valid=False,
nfold=FLAGS.nfold,
over_sampling=FLAGS.over_sampling,
transform_aug=transform_aug,
augmix=FLAGS.augmix,
mixup=FLAGS.mixup,
transform=transform)
total_time = 0
for e in range(restart_epoch, FLAGS.final_epoch):
start = time.time()
lr = set_lr.cosine_annealing(optimizer, cons.start_lr, e, 100)
writer.add_scalar('LearningRate', lr, e)
train_loss = train_loop(model, train_loader, criterion, optimizer)
writer.add_scalar('train_loss', train_loss, e)
valid_loss, valid_acc = valid_loop(model, valid_loader, criterion)
writer.add_scalar('valid_loss', valid_loss, e)
writer.add_scalar('valid_acc', valid_acc, e)
print(
'Epoch: {}, Train Loss: {:.4f}, Valid Loss: {:.4f}, Valid Accuracy:{:.2f}'
.format(e + 1, train_loss, valid_loss, valid_acc))
if e % 10 == 0:
torch.save(model.state_dict(),
PARAM_NAME + '_' + str(e) + '.pth')
if valid_acc > best_acc:
best_acc = valid_acc
torch.save(model.state_dict(), PARAM_NAME + '_best.pth')
total_time = total_time + (time.time() - start)
print('average time: {}[sec]'.format(total_time / (e + 1)))
torch.save(model.state_dict(),
PARAM_NAME + '_' + str(FLAGS.final_epoch - 1) + '_final.pth')
def main():
global args, config, best_loss
args = parser.parse_args()
with open(args.config) as f:
config = yaml.load(f)
for k, v in config['common'].items():
setattr(args, k, v)
config = EasyDict(config['common'])
rank, world_size, device_id = dist_init(
os.path.join(args.distributed_path, config.distributed_file))
args.save_path_dated = args.save_path + '/' + args.datetime
if args.run_tag != '':
args.save_path_dated += '-' + args.run_tag
# create model
model = model_entry(config.model)
model.cuda()
model = nn.parallel.DistributedDataParallel(model, device_ids=[device_id])
# create optimizer
opt_config = config.optimizer
opt_config.kwargs.lr = config.lr_scheduler.base_lr
opt_config.kwargs.params = model.parameters()
optimizer = optim_entry(opt_config)
# optionally resume from a checkpoint
last_iter = -1
best_loss = 1e9
if args.load_path:
if args.recover:
best_loss, last_iter = load_state(args.load_path,
model,
optimizer=optimizer)
else:
load_state(args.load_path, model)
cudnn.benchmark = True
# train augmentation
if config.augmentation.get('imgnet_mean', False):
model_mean = (0.485, 0.456, 0.406)
model_std = (0.229, 0.224, 0.225)
else:
model_mean = (0.5, 0.5, 0.5)
model_std = (0.5, 0.5, 0.5)
trans = albumentations.Compose([
RandomResizedCrop(config.augmentation.input_size,
config.augmentation.input_size,
scale=(config.augmentation.min_scale**2., 1.),
ratio=(1., 1.)),
HorizontalFlip(p=0.5),
RandomBrightnessContrast(brightness_limit=0.25,
contrast_limit=0.1,
p=0.5),
JpegCompression(p=.2, quality_lower=50),
MotionBlur(p=0.5),
Normalize(mean=model_mean, std=model_std),
ToTensorV2()
])
train_dataset = FaceDataset(config.train_root,
config.train_source,
transform=trans,
resize=config.augmentation.input_size,
image_format=config.get('image_format', None),
random_frame=config.get(
'train_random_frame', False),
bgr=config.augmentation.get('bgr', False))
train_sampler = DistributedGivenIterationSampler(
train_dataset,
config.lr_scheduler.max_iter,
config.batch_size,
last_iter=last_iter)
train_loader = DataLoader(train_dataset,
batch_size=config.batch_size,
shuffle=False,
num_workers=config.workers,
pin_memory=True,
sampler=train_sampler)
# validation augmentation
trans = albumentations.Compose([
Resize(config.augmentation.input_size, config.augmentation.input_size),
Normalize(mean=model_mean, std=model_std),
ToTensorV2()
])
val_multi_loader = []
if args.val_source != '':
for dataset_idx in range(len(args.val_source)):
val_dataset = FaceDataset(
args.val_root[dataset_idx],
args.val_source[dataset_idx],
transform=trans,
output_index=True,
resize=config.augmentation.input_size,
image_format=config.get('image_format', None),
bgr=config.augmentation.get('bgr', False))
val_sampler = DistributedSampler(val_dataset, round_up=False)
val_loader = DataLoader(val_dataset,
batch_size=config.batch_size,
shuffle=False,
num_workers=config.workers,
pin_memory=True,
sampler=val_sampler)
val_multi_loader.append(val_loader)
config.lr_scheduler['optimizer'] = optimizer
config.lr_scheduler['last_iter'] = last_iter
lr_scheduler = get_scheduler(config.lr_scheduler)
if rank == 0:
mkdir(args.save_path)
mkdir(args.save_path_dated)
tb_logger = SummaryWriter(args.save_path_dated)
logger = create_logger('global_logger',
args.save_path_dated + '-log.txt')
logger.info('{}'.format(args))
logger.info(model)
logger.info(parameters_string(model))
logger.info('len(train dataset) = %d' % len(train_loader.dataset))
for dataset_idx in range(len(val_multi_loader)):
logger.info(
'len(val%d dataset) = %d' %
(dataset_idx, len(val_multi_loader[dataset_idx].dataset)))
mkdir(args.save_path_dated + '/saves')
else:
tb_logger = None
positive_weight = config.get('positive_weight', 0.5)
weight = torch.tensor([1. - positive_weight, positive_weight]) * 2.
if rank == 0:
logger.info('using class weights: {}'.format(weight.tolist()))
criterion = nn.CrossEntropyLoss(weight=weight).cuda()
if args.evaluate:
if args.evaluate_path:
all_ckpt = get_all_checkpoint(args.evaluate_path, args.range_list,
rank)
for ckpt in all_ckpt:
if rank == 0:
logger.info('Testing ckpt: ' + ckpt)
last_iter = -1
_, last_iter = load_state(ckpt, model, optimizer=optimizer)
for dataset_idx in range(len(val_multi_loader)):
validate(dataset_idx,
val_multi_loader[dataset_idx],
model,
criterion,
tb_logger,
curr_step=last_iter,
save_softmax=True)
else:
for dataset_idx in range(len(val_multi_loader)):
validate(dataset_idx,
val_multi_loader[dataset_idx],
model,
criterion,
tb_logger,
curr_step=last_iter,
save_softmax=True)
return
train(train_loader, val_multi_loader, model, criterion, optimizer,
lr_scheduler, last_iter + 1, tb_logger)
return
def train_transform(h, w):
return A.Compose([
Resize(h, w),
A.Normalize(),
ToTensorV2(),
])
train_df, val_df = train_test_split(train,
test_size=0.1,
random_state=seed,
stratify=train.iloc[:, 0])
train_df = train_df.reset_index(drop=True)
val_df = val_df.reset_index(drop=True)
train_augmentations = Compose([
albumentations.OneOf([
GridMask(num_grid=3, mode=0, rotate=15),
GridMask(num_grid=3, mode=2, rotate=15),
],
p=0.7),
RandomAugMix(severity=4, width=3, alpha=1.0, p=0.7),
Resize(*img_size),
ShiftScaleRotate(shift_limit=0, scale_limit=0, rotate_limit=10, p=0.5),
ToFloat(max_value=255),
ToTensor()
],
p=1)
val_augmentations = Compose(
[Resize(*img_size), ToFloat(max_value=255),
ToTensor()], p=1)
train_dataset = digitdataset(data=train_df, transform=train_augmentations)
val_dataset = digitdataset(data=val_df, transform=val_augmentations)
# =============================================================================
# image , label = train_dataset.__getitem__(15)
#
