def eval_tta(config, augment):
augment['num_policy'] = 1 # TODO remove
C.get()
C.get().conf = config
cv_ratio_test, cv_fold, save_path = augment['cv_ratio_test'], augment['cv_fold'], augment['save_path']
print(augment)
# setup - provided augmentation rules
C.get().aug = policy_decoder(augment, augment['num_policy'], augment['num_op'])
# eval
ckpt = torch.load(save_path)
model = get_model(ckpt['model_specs']['name'], len(ckpt['labels']), ckpt['model_specs']['training_configs'], local_rank=ckpt['devices']['gpu_index']) #TODO: get model configuration from Retinanet
if 'model' in ckpt:
model.load_state_dict(ckpt['model'])
else:
model.load_state_dict(ckpt)
model.eval()
dataroot = ckpt['model_specs']['data']['home_path']
mAPs = []
start_t = time.time()
for _ in range(augment['num_policy']): # TODO
train_dataset, test_dataset = get_data(ckpt['model_specs']['data']['annotation_type'], dataroot,
split=cv_ratio_test, split_idx=cv_fold)
# mAP = evaluate(dataset_val, model)
mAP = evaluate(train_dataset, model) #TODO: adjust from train to testing on randomely selected perecentage every time
mAPs.append(mAP)
del train_dataset, test_dataset
gpu_secs = (time.time() - start_t) * torch.cuda.device_count()
# reporter(minus_loss=metrics['minus_loss'], top1_valid=metrics['correct'], elapsed_time=gpu_secs, done=True)
# track.log(minus_loss=metrics['minus_loss'], top1_valid=metrics['correct'], elapsed_time=gpu_secs, done=True)
tune.report(top1_valid=np.mean(mAPs))
return np.mean(mAPs)
def __init__(self, model_path, gpu_id=None):
'''
初始化pytorch模型
:param model_path: 模型地址(可以是模型的参数或者参数和计算图一起保存的文件)
:param gpu_id: 在哪一块gpu上运行
'''
self.gpu_id = gpu_id
if self.gpu_id is not None and isinstance(self.gpu_id, int) and torch.cuda.is_available():
self.device = torch.device("cuda:%s" % self.gpu_id)
else:
self.device = torch.device("cpu")
print('device:', self.device)
checkpoint = torch.load(model_path, map_location=self.device)
# config = checkpoint['config']
# config['arch']['args']['pretrained'] = False
# self.net = get_model(model_name='resnet50')
# self.net = get_model(model_name='efficientnet-b3')
self.net = get_model(model_name='tf_efficientnet_b2_ns')
# self.net = get_model(model_name='efficientnet-b2')
# self.net = get_model(model_name='resnext50_32x4d')
# self.img_channel = config['data_loader']['args']['dataset']['img_channel']
# self.net.load_state_dict(checkpoint['state_dict'],False)
self.net.load_state_dict(
{k.replace('module.', ''): v for k, v in checkpoint['state_dict'].items()})
self.net.to(self.device)
self.net.eval()
self.img_channel = 3
def main(opt):
# configuration
train_loader, test_loader, meta_data = get_data(opt)
backbone = get_model(opt, meta_data['n_class'])
# train & test
pass
def build(self,
model='retinanet',
depth=50,
learning_rate=1e-5,
ratios=[0.5, 1, 2],
scales=[2**0, 2**(1.0 / 3.0), 2**(2.0 / 3.0)]):
# model must be string or a model class
if not callable(model):
model = get_model(model_name=model,
num_classes=self.dataset_train.num_classes,
backbone_depth=depth,
ratios=ratios,
scales=scales,
weights_dir=self.weights_dir_path,
pretrained=True)
self.model = model.to(device=self.device)
self.model.training = True
self.optimizer = optim.Adam(self.model.parameters(), lr=learning_rate)
self.scheduler = optim.lr_scheduler.ReduceLROnPlateau(self.optimizer,
patience=3,
verbose=True)
if self.checkpoint is not None:
self.model.load_state_dict(self.checkpoint['model'])
self.optimizer.load_state_dict(self.checkpoint['optimizer'])
self.scheduler.load_state_dict(self.checkpoint['scheduler'])
self.ratios = ratios
self.scales = scales
self.depth = depth
def build_model(self):
self.G = get_model(self.arch, pretrained=self.indicator).cuda()
if self.parallel:
self.G = nn.DataParallel(self.G)
# Loss and optimizer
self.g_optimizer = torch.optim.SGD(filter(
lambda p: p.requires_grad, self.G.parameters()), self.g_lr, self.momentum, self.weight_decay)
def model_trainer(model_name,
generator,
dropout,
kernel_size,
x_tr,
x_val,
y_tr,
y_val,
opt='adam',
saving=True):
# Model loading.
# First line option: Create new model. Overwrite last one, if exists.
# Second line option: Load model trained before.
model = net.get_model(model_name, dropout, kernel_size)
# model = load_model("models/validated " + model_name + " " + generator)
if opt == 'adam':
op = Adam(lr=0.00025, decay=0.0004)
else:
op = Nadam(lr=0.00025)
model.compile(optimizer=op,
loss='binary_crossentropy',
metrics=['accuracy'])
# Callback settings.
callback = []
if saving:
callback = [
ModelCheckpoint(filepath="models/validated " + model_name + " " +
generator,
save_best_only=True)
]
# training
history = model.fit(x=x_tr,
y=y_tr,
epochs=1,
verbose=0,
callbacks=callback,
validation_data=(x_val, y_val),
shuffle='batch')
# Saving model. Depends on option in method call.
if saving:
model.save("models/" + model_name + " " + generator)
# Saving history of files.
history_path = 'toy_models_data/' + model_name + "_history_" + generator + \
' ' + str(kernel_size) + ' ' + str(dropout) + ' ' + opt + ".p"
with open(history_path, 'w') as file_pi:
pickle.dump(history.history, file_pi)
file_pi.close()
# Free RAM up
clear_session()
def main(args):
despath = args.savedir
if not os.path.exists(despath):
os.mkdir(despath)
imagedir = os.path.join(args.datadir, 'image.txt')
labeldir = os.path.join(args.datadir, 'label.txt')
transform = Transform_test(args.size)
dataset_test = NeoData_test(imagedir, labeldir, transform)
loader = DataLoader(dataset_test,
num_workers=4,
batch_size=1,
shuffle=False) #test data loader
#eval the result of IoU
confMatrix = evalIoU.generateMatrixTrainId(evalIoU.args)
perImageStats = {}
nbPixels = 0
usedLr = 0
model = get_model(args)
if args.cuda:
model = model.cuda()
model.load_state_dict(torch.load(args.model_dir))
model.eval()
count = 0
for step, colign in enumerate(loader):
img = colign[2].squeeze(0).numpy() #image-numpy,original image
images = colign[0] #image-tensor
label = colign[1] #label-tensor
if args.cuda:
images = images.cuda()
inputs = Variable(images, volatile=True)
outputs = model(inputs)
out = outputs[0].cpu().max(0)[1].data.squeeze(
0).byte().numpy() #index of max-channel
add_to_confMatrix(outputs, label, confMatrix, perImageStats,
nbPixels) #add result to confusion matrix
label2img = label2rgb(out, img, n_labels=args.num_classes
) #merge segmented result with original picture
Image.fromarray(label2img).save(despath + 'label2img_' + str(count) +
'.jpg')
count += 1
print("This is the {}th of image!".format(count))
iouAvgStr, iouTest, classScoreList = cal_iou(
evalIoU,
confMatrix) #calculate mIoU, classScoreList include IoU for each class
print("IoU on TEST set : ", iouAvgStr)
def model_trainer(model_type, generator, dropout=0.5, kernel_size=(3, 3), saving=True):
# Figures out which path to use, whether it's from usb or 'data/' sub-folder.
# Creates path to data.h5 file for a generator chosen above.
file_path = get_ready_names()[generator]
# Data loading.
# ones = 0
# zeros = 0
with h5.File(file_path) as hf:
# ytr = hf['train/y']
# mask = np.full(ytr, fill_value=False, dtype=bool)
# for i in range(len(ytr)):
# if ytr[i] == 1 and ones < 300000:
# mask[i] = True
# ones += 1
# elif ytr[i] == 0 and zeros < 300000:
# mask[i] = True
# zeros += 1
# elif zeros >= 300000 and ones >= 300000:
# break
xtr = hf['train/x'][()]
ytr = hf['train/y'][()]
x_val = HDF5Matrix(file_path, 'val/x')
y_val = HDF5Matrix(file_path, 'val/y')
# Model loading.
# First line option: Create new model. Overwrite last one, if exists.
# Second line option: Load model trained before.
model = net.get_model(model_type, dropout, kernel_size)
# model = load_model("models/validated " + model_name + " " + generator)
model.summary()
# Preparing callbacks, in terms of saving
callback = []
if saving:
callback.append(ModelCheckpoint(filepath=model_save_dir + "/validated " + model_type + " " + generator,
save_best_only=True))
history = model.fit(x=xtr, y=ytr, epochs=20,
callbacks=callback, validation_data=(x_val, y_val), shuffle='batch')
# Saves the model from last epoch
if saving:
model.save(model_save_dir + model_type + " " + generator)
# Saves learning data (accuracy and loss on default)
if not os.path.exists(model_data_save_dir):
os.makedirs(model_data_save_dir)
with open(model_data_save_dir + model_type + "_history_" + generator + ".p", 'wb') as file_pi:
pickle.dump(history.history, file_pi)
# Needed for memory leak
clear_session()
def _get_model(model_weight_file):
loss = { 'reconstruction': losses.mean_squared_error, 'predictions': losses.categorical_crossentropy }
optimizer = SGD(lr=0.005, momentum=0.9, decay=1e-6, nesterov=True)
metrics = { 'predictions': [categorical_accuracy] }
class_weight = { 'reconstruction': 0.05, 'predictions': 1. }
model = get_model()
model.compile(optimizer=optimizer, loss=loss, metrics=metrics)
model.load_weights(model_weight_file)
return model
def __init__(self, model_path, gpu_id=None):
'''
初始化pytorch模型
:param model_path: 模型地址(可以是模型的参数或者参数和计算图一起保存的文件)
:param gpu_id: 在哪一块gpu上运行
'''
self.gpu_id = gpu_id
if self.gpu_id is not None and isinstance(self.gpu_id, int) and torch.cuda.is_available():
self.device = torch.device("cuda:%s" % self.gpu_id)
else:
self.device = torch.device("cpu")
print('device:', self.device)
checkpoint = torch.load(model_path, map_location=self.device)
# config = checkpoint['config']
# config['arch']['args']['pretrained'] = False
# self.net = get_model(model_name='resnet50')
# self.net = get_model(model_name='efficientnet-b3')
self.net = get_model(model_name='tf_efficientnet_b2_ns')
# self.net = get_model(model_name='tf_efficientnet_b3_ns')
# self.net = geffnet.create_model('tf_efficientnet_b2_ns', pretrained=False,num_classes=38)
# m.eval()
# self.net = get_model(model_name='efficientnet-b2')
# self.net = get_model(model_name='resnext50_32x4d')
# self.img_channel = config['data_loader']['args']['dataset']['img_channel']
# self.net.load_state_dict(checkpoint['state_dict'],False)
self.net.load_state_dict(
{k.replace('module.', ''): v for k, v in checkpoint['state_dict'].items()})
self.net.to(self.device)
# input_tensor = torch.randn([1, 3, 224, 224])
# torch_onnx_out = torch.onnx.export(self.net, input_tensor, "model.onnx",
# export_params=True,
# verbose=True,
# input_names=['label'],
# output_names=["synthesized"],
# opset_version=13)
self.net.eval()
# # model.set_swish(memory_efficient=False)
# # #set the model to inference mode
# # model.eval()
#
# x = torch.randn(1, *input_shape)
# torch.onnx.export(self.net,
# x,
# export_onnx_file,
# )
# torch.save(self.net,'model.pth')
self.img_channel = 3
def model_trainer(model_name, generator, dropout=0.5, kernel_size=(3, 3), dense_size=128,
saving=True):
# Figures out which path to use, whether it's from usb or 'data/' sub-folder.
# Creates path to data.h5 file for a generator chosen above.
file_path = get_ready_names()[generator]
# Data loading.
xtr = HDF5Matrix(file_path, 'train/x')
ytr = HDF5Matrix(file_path, 'train/y')
xval = HDF5Matrix(file_path, 'val/x')
yval = HDF5Matrix(file_path, 'val/y')
# Model loading.
# First line option: Create new model. Overwrite last one, if exists.
# Second line option: Load model trained before.
model = net.get_model(model_name, dropout, kernel_size, dense_size=dense_size)
# model = load_model("models/validated " + model_name + " " + generator)
model.summary()
# training
callback = []
if saving:
if not os.path.exists('../toy_models'):
os.makedirs('../toy_models')
callback = [ModelCheckpoint(filepath="../toy_models/validated " + model_name + " " +
generator + str(dropout), save_best_only=True)]
history = model.fit(x=xtr, y=ytr, epochs=20, verbose=2, callbacks=callback, validation_data=(xval, yval),
shuffle='batch')
if saving:
model.save("../toy_models/" + model_name + " " + generator + str(dropout))
if os.path.exists('../toy_models_data/' + model_name + "_history_" + generator + str(dropout) + ".p"):
with open('../toy_models_data/' + model_name + "_history_" + generator + str(dropout) + ".p", 'r') as file_pi:
previous = pickle.load(file_pi)
current = combine_dict(previous, history.history)
with open('../toy_models_data/' + model_name + "_history_" + generator + str(dropout) + ".p", 'wb') as file_pi:
pickle.dump(current, file_pi)
else:
if not os.path.exists('../toy_models_data/'):
os.makedirs('../toy_models_data')
with open('../toy_models_data/' + model_name + "_history_" + generator + str(dropout) + ".p", 'wb') as file_pi:
pickle.dump(history.history, file_pi)
clear_session()
def main(args):
'''
Train the model and record training options.
'''
savedir = '{}'.format(args.savedir)
modeltxtpath = os.path.join(savedir, 'model.txt')
if not os.path.exists(savedir):
os.makedirs(savedir)
with open(savedir + '/opts.txt', "w") as myfile: #record options
myfile.write(str(args))
model = get_model(args) #load model
with open(modeltxtpath, "w") as myfile: #record model
myfile.write(str(model))
if args.cuda:
model = model.cuda()
print("========== TRAINING ===========")
train(args, model)
print("========== TRAINING FINISHED ===========")
def __init__(self,
scenario,
evaluation='difference',
dataset='cifar10',
random_images=True):
super(ImageClassificationEnv, self).__init__(scenario, evaluation,
random_images)
network_architecture = "resnet34" if dataset == 'cifar10' else "resnet50"
self.model, self.input_size = networks.get_model(
network_architecture, dataset)
self.model.eval()
self.model.to(networks.get_device())
# TODO We could even use an unlabelled dataset and compare original and modified output
if dataset == 'cifar10':
self.dataset = datasets.CIFAR10(root='cifar10',
train=False,
download=True)
self.pre_transformation = transforms.Compose([])
obs_size = 32
elif dataset == 'imagenet':
self.dataset = datasets.ImageNet(root='imagenet',
split='val',
download=True)
self.pre_transformation = transforms.Compose([])
obs_size = 224
self.num_distinct_images = len(self.dataset)
self.model_transformation = transforms.Compose([
transforms.Resize(self.input_size),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225]),
])
self.observation_space = spaces.Box(low=0,
high=255,
shape=(obs_size, obs_size, 3),
dtype=np.uint8)
def main():
train_dataset = ImagesSequence([os.path.join(images_folder, filename) for filename in os.listdir(images_folder)],
batch)
model, emb_index = get_model(input_shape, emb_size, images_count)
model.summary()
model.compile(optimizer='adam',
loss='categorical_crossentropy',
metrics=['accuracy'])
if not os.path.exists(models_path):
os.makedirs(models_path)
model.fit(
train_dataset,
epochs=epoch,
callbacks=[
keras.callbacks.EarlyStopping(monitor="loss", min_delta=0, patience=4, verbose=0, mode="min"),
ValidationPrint(emb_index),
keras.callbacks.ModelCheckpoint(
filepath=os.path.join(models_path, 'model_best.hdf5'),
save_weights_only=False,
monitor='val_score',
mode='min',
save_best_only=True
),
keras.callbacks.ReduceLROnPlateau(monitor='loss', mode='min', factor=0.2,
patience=2, min_lr=0.00001)
]
)
model.save(model_name)
model = keras.Model(inputs=[model.input], outputs=[model.layers[emb_index].output])
print("Final validation")
print('Score:', score_model(model, print_similarities=True))
model = keras.models.load_model(os.path.join(models_path, 'model_best.hdf5'))
model = keras.Model(inputs=[model.input], outputs=[model.layers[emb_index].output])
print("Final best validation")
print('Score:', score_model(model, print_similarities=True))
def __init__(self, args, config):
self.device = torch.device(
"cuda" if torch.cuda.is_available() else 'cpu')
self.mapping_dict = args.mapping
net = get_model(args, config)
self.class_names = net.class_names
if self.mapping_dict is not None:
self.included_classes = list(self.mapping_dict.keys())
class_ids = list(self.mapping_dict.values())
sorted_unique_class_ids = sorted(np.unique(class_ids))
self.class_names = [
self.class_names[i] for i in sorted_unique_class_ids
]
self.model = Detector(model=net, device=self.device)
self.model.eval()
for param in self.model.parameters():
param.requires_grad = False
def main():
train_data, val_data = get_dataloader(data_list=config.data_list,
root_dir=config.root_dir,
bs=config.batchsize,
sz=config.size)
val_criterion = get_loss()
criterion = get_loss(training=True)
snapmix_criterion = get_loss(tag='snapmix')
model = get_model(model_name='efficientnet-b3')
# model = get_model(model_name='tf_efficientnet_b2_ns')
# model = get_model(model_name='resnext50_32x4d')
trainer = Trainer(
config,
model,
criterion,
val_criterion,
snapmix_criterion,
train_data,
val_data,
)
trainer.train()
parser.add_argument(
"--ckpt",
nargs="?",
type=str,
help="checkpoint for evaluation",
)
parser.add_argument(
"--mode",
nargs="?",
type=str,
help="mode: [rand] [style] [interp] [text]",
)
args = parser.parse_args()
cfg = yaml2config(args.config)
model = get_model(cfg.model)(cfg, args.config)
model.load(args.ckpt, cfg.device)
if args.mode == 'style':
model.eval_style()
elif args.mode == 'rand':
model.eval_rand()
elif args.mode == 'interp':
model.eval_interp()
elif args.mode == 'text':
model.eval_text()
else:
print('Unsupported mode: {} | [rand] [style] [interp]'.format(
cfg.mode))
def create_model(self):
return get_model(self.model_name, self.num_classes, self.use_cuda,
self.use_parallel)
def main(conf):
warnings.filterwarnings("ignore")
best_score = 0.
val_score = 0
val_loss = 0
epoch_start = 0
# dataloader
#train_loader,val_loader = get_dataloader(conf)
train_loader , val_loader = initialize()
# model
model = networks.get_model(conf)
#print(model)
# exit(-1)
model = nn.DataParallel(model).cuda()
if conf.weightfile is not None:
wmodel = networks.get_model(conf)
wmodel = nn.DataParallel(wmodel).cuda()
checkpoint_dict = load_checkpoint(wmodel, conf.weightfile)
if 'best_score' in checkpoint_dict:
print('best score: {}'.format(best_score))
else:
wmodel = model
# training setting
criterion,optimizer,scheduler = get_train_setting(model,conf)
# training and evaluate process for each epoch
train,validate = get_proc(conf)
if conf.resume:
checkpoint_dict = load_checkpoint(model, conf.resume)
epoch_start = checkpoint_dict['epoch']
if 'best_score' in checkpoint_dict:
best_score = checkpoint_dict['best_score']
print('best score: {}'.format(best_score))
print('Resuming training process from epoch {}...'.format(epoch_start))
optimizer.load_state_dict(checkpoint_dict['optimizer'])
scheduler.load_state_dict(checkpoint_dict['scheduler'])
print('Resuming lr scheduler')
print(checkpoint_dict['scheduler'])
if conf.evaluate:
print( validate(val_loader, model,criterion, conf))
return
detach_epoch = conf.epochs + 1
if 'detach_epoch' in conf:
detach_epoch = conf.detach_epoch
start_eval = 0
if 'start_eval' in conf:
start_eval = conf.start_eval
## ------main loop-----
for epoch in range(epoch_start, conf.epochs):
lr = optimizer.param_groups[0]['lr']
logging.info("Epoch: [{} | {} LR: {}".format(epoch+1,conf.epochs,lr))
if epoch == detach_epoch:
model.module.set_detach(False)
# test(model , train_loader)
tmp_loss = train(train_loader, model, criterion, optimizer, conf,wmodel)
infostr = {'Epoch: {} train_loss: {}'.format(epoch+1,tmp_loss)}
logging.info(infostr)
scheduler.step()
if True:
with torch.no_grad():
val_score,val_loss,mscore,ascore = validate(val_loader, model,criterion, conf)
comscore = val_score
if 'midlevel' in conf:
if conf.midlevel:
comscore = ascore
is_best = comscore > best_score
best_score = max(comscore,best_score)
infostr = {'Epoch: {:.4f} loss: {:.4f},gs: {:.4f},bs:{:.4f} ,ms:{:.4f},as:{:.4f}'.format(epoch+1,val_loss,val_score,best_score,mscore,ascore)}
logging.info(infostr)
save_checkpoint(
{'epoch': epoch + 1,
'state_dict': model.module.state_dict(),
'optimizer' : optimizer.state_dict(),
'scheduler' : scheduler.state_dict(),
'best_score': best_score
}, is_best, outdir=conf['outdir'])
test(model , train_loader)
print('Best val acc: {}'.format(best_score))
return 0
from callbacks import get_callbacks
from tensorflow.python.keras.models import load_model
if __name__ == '__main__':
model_dir = create_model_dir(args=args)
args.model_dir = model_dir
if args.only_test is True:
model = load_model(args.model_dir + '/best.h5')
print("Test model has been loaded:", args.model_dir + '/best.h5 ...')
else:
if args.resume is True:
model = load_model(args.model_dir + '/best.h5')
print("Last best model has been loaded:",
args.model_dir + '/best.h5 ...')
else:
model = get_model(args=args)
print("Model has been initialized ...")
optimizer = get_optimizer(args=args)
model.compile(loss=args.use_loss, optimizer=optimizer, metrics=['acc'])
print(model.summary())
if args.only_test is not True:
train_generator, test_generator = get_data_generator(args=args)
callbacks = get_callbacks(args=args)
print("Start training process..")
model.fit_generator(
train_generator,
steps_per_epoch=train_generator.samples // args.batch_size,
validation_data=test_generator,
validation_steps=test_generator.samples // args.batch_size,
workers=args.num_workers,
from tensorflow.python.keras.metrics import categorical_accuracy
from tensorflow.python.keras.optimizers import SGD
from tensorflow.python.keras.models import Model
import numpy as np
import h5py
model_weight_file = '/home/adnan/InnerEye-Machine-Learning/Model_V1-175-0.8070.h5'
loss = {
'reconstruction': losses.mean_squared_error,
'predictions': losses.categorical_crossentropy
}
optimizer = SGD(lr=0.005, momentum=0.9, decay=1e-6, nesterov=True)
metrics = {'predictions': [categorical_accuracy]}
class_weight = {'reconstruction': 0.05, 'predictions': 1.}
model = get_model()
model.compile(optimizer=optimizer, loss=loss, metrics=metrics)
model.load_weights(model_weight_file)
hf = h5py.File(
'/home/adnan/Datasets/New-InnerEye-dataset/new-innereye-dataset-multi-labeled-64x64.h5',
'r')
X_test, y_test = hf['X_test'][:], hf['y_test'][:]
count = 0
for c, (img, y) in enumerate(zip(X_test, y_test)):
img = img.astype('float32') / 255
img = img.reshape((1, 64, 64, 3))
prediction = np.argmax(model.predict([img])[1])
if prediction == y:
evalIoU.getScoreAverage(classScoreList, evalIoU.args),
evalIoU.args) + "{avg:5.3f}".format(avg=evalIoU.getScoreAverage(
classScoreList, evalIoU.args)) + evalIoU.args.nocol
iou = float(evalIoU.getScoreAverage(classScoreList, evalIoU.args))
return iouAvgStr, iou, classScoreList
if __name__ == '__main__':
def get_loader(args):
dataset_train = SRdata(
args
) # (imagepath_train, labelpath_train, train_transform) #DataSet
dataset_val = SRdata(
args) # NeoData(imagepath_val, labelpath_val, val_transform)
loader = DataLoader(dataset_train,
num_workers=args.num_workers,
batch_size=args.batch_size,
shuffle=True)
loader_val = DataLoader(dataset_val,
num_workers=args.num_workers,
batch_size=2,
shuffle=False)
return loader, loader_val
parser = TrainOptions().parse()
loader, loader_val = get_loader(parser)
model = get_model(parser) # load model
criterion = CrossEntropyLoss2d()
eval(parser, model, loader, criterion, 1)
def train_and_eval(
tag, dataroot, metric="last", save_path=None, only_eval=False, unsupervised=False, labeled_sample_num=4000,
):
max_epoch = C.get()["epoch"]
trainloader, unsuploader, testloader = get_dataloaders(
C.get()["dataset"], C.get()["batch"], C.get()["batch_unsup"], dataroot, labeled_sample_num
)
# create a model & an optimizer
model = get_model(
C.get()["model"], num_class(C.get()["dataset"]), data_parallel=True
)
criterion = nn.CrossEntropyLoss()
if C.get()["optimizer"]["type"] == "sgd":
optimizer = optim.SGD(
model.parameters(),
lr=C.get()["lr"],
momentum=C.get()["optimizer"].get("momentum", 0.9),
weight_decay=C.get()["optimizer"]["decay"],
nesterov=C.get()["optimizer"]["nesterov"],
)
else:
raise ValueError("invalid optimizer type=%s" % C.get()["optimizer"]["type"])
lr_scheduler_type = C.get()["lr_schedule"].get("type", "cosine")
if lr_scheduler_type == "cosine":
t_max = C.get()["epoch"]
if C.get()["lr_schedule"].get("warmup", None):
t_max -= C.get()["lr_schedule"]["warmup"]["epoch"]
scheduler = torch.optim.lr_scheduler.CosineAnnealingLR(
optimizer, T_max=t_max, eta_min=0.0
)
else:
raise ValueError("invalid lr_schduler=%s" % lr_scheduler_type)
if C.get()["lr_schedule"].get("warmup", None):
scheduler = GradualWarmupScheduler(
optimizer,
multiplier=C.get()["lr_schedule"]["warmup"]["multiplier"],
total_epoch=C.get()["lr_schedule"]["warmup"]["epoch"],
after_scheduler=scheduler,
)
if not tag.strip():
from metrics import SummaryWriterDummy as SummaryWriter
logger.warning("tag not provided, no tensorboard log.")
else:
from tensorboardX import SummaryWriter
writers = [
SummaryWriter(logdir="./logs/%s/%s" % (tag, x)) for x in ["train", "test"]
]
result = OrderedDict()
epoch_start = 1
if save_path and os.path.exists(save_path) and (args.resume == True):
data = torch.load(save_path)
model.load_state_dict(data["model"])
optimizer.load_state_dict(data["optimizer"])
epoch_start = data["epoch"]
print("load sucessfully")
if only_eval:
logger.info("evaluation only+")
model.eval()
rs = dict()
rs["test"] = run_epoch(
model,
testloader,
unsuploader,
criterion,
None,
desc_default="*test",
epoch=epoch_start,
writer=writers[1],
method=args.method,
)
for key, setname in itertools.product(
["loss", "top1", "top5"], ["train", "test"]
):
result["%s_%s" % (key, setname)] = rs[setname][key]
result["epoch"] = 0
return result
# train loop
global best_valid_top1
best_valid_loss = 10e10
for epoch in range(epoch_start, max_epoch + 1):
model.train()
rs = dict()
rs["train"] = run_epoch(
model,
trainloader,
unsuploader,
criterion,
optimizer,
desc_default="train",
epoch=epoch,
writer=writers[0],
verbose=True,
unsupervised=unsupervised,
scheduler=scheduler,
method=args.method,
)
if math.isnan(rs["train"]["loss"]):
raise Exception("train loss is NaN.")
model.eval()
if (
epoch % (10 if "cifar" in C.get()["dataset"] else 30) == 0
or epoch == max_epoch
):
rs["test"] = run_epoch(
model,
testloader,
unsuploader,
criterion,
None,
desc_default="*test",
epoch=epoch,
writer=writers[1],
verbose=True,
method=args.method
)
if best_valid_top1 < rs["test"]["top1"]:
best_valid_top1 = rs["test"]["top1"]
if metric == "last" or rs[metric]["loss"] < best_valid_loss: # TODO
if metric != "last":
best_valid_loss = rs[metric]["loss"]
for key, setname in itertools.product(
["loss", "top1", "top5"], ["train", "test"]
):
result["%s_%s" % (key, setname)] = rs[setname][key]
result["epoch"] = epoch
writers[1].add_scalar("test_top1/best", rs["test"]["top1"], epoch)
# save checkpoint
if save_path:
logger.info("save model@%d to %s" % (epoch, save_path))
torch.save(
{
"epoch": epoch,
"log": {
"train": rs["train"].get_dict(),
"test": rs["test"].get_dict(),
},
"optimizer": optimizer.state_dict(),
"model": model.state_dict(),
},
save_path,
)
del model
return result
def train_and_eval(config, tag, dataroot, test_ratio=0.0, cv_fold=0, reporter=None, metric='last', save_path=None, only_eval=False, local_rank=0, evaluation_interval=5):
# ckpt = torch.load(save_path)
total_batch = config["batch"]
if local_rank >= 0:
dist.init_process_group(backend='nccl', init_method='env://', world_size=int(os.environ['WORLD_SIZE']))
device = torch.device('cuda', local_rank)
torch.cuda.set_device(device)
config()['lr'] *= dist.get_world_size()
logger.info(f'local batch={config["batch"]} world_size={dist.get_world_size()} ----> total batch={config["batch"] * dist.get_world_size()}')
total_batch = config["batch"] * dist.get_world_size()
is_master = local_rank < 0 or dist.get_rank() == 0
if is_master:
add_filehandler(logger, 'master' + '.log')
if not reporter:
reporter = lambda **kwargs: 0
max_epoch = config['epoch']
trainsampler, trainloader, validloader, testloader_ = get_dataloaders(config['dataset'], config['batch'], dataroot, test_ratio, split_idx=cv_fold, multinode=(local_rank >= 0))
# create a model & an optimizer
model = get_model(config['model'], num_class(config['dataset']), local_rank=local_rank)
model_ema = get_model(config['model'], num_class(config['dataset']), local_rank=-1)
model_ema.eval()
criterion_ce = criterion = CrossEntropyLabelSmooth(num_class(config['dataset']), config.get('lb_smooth', 0))
if config.get('mixup', 0.0) > 0.0:
criterion = CrossEntropyMixUpLabelSmooth(num_class(config['dataset']), config.get('lb_smooth', 0))
if config['optimizer']['type'] == 'sgd':
optimizer = optim.SGD(
model.parameters(),
lr=config['lr'],
momentum=config['optimizer'].get('momentum', 0.9),
weight_decay=0.0,
nesterov=config['optimizer'].get('nesterov', True)
)
elif config['optimizer']['type'] == 'rmsprop':
optimizer = RMSpropTF(
model.parameters(),
lr=config['lr'],
weight_decay=0.0,
alpha=0.9, momentum=0.9,
eps=0.001
)
else:
raise ValueError('invalid optimizer type=%s' % config['optimizer']['type'])
lr_scheduler_type = config['lr_schedule'].get('type', 'cosine')
if lr_scheduler_type == 'cosine':
scheduler = torch.optim.lr_scheduler.CosineAnnealingLR(optimizer, T_max=config['epoch'], eta_min=0.)
elif lr_scheduler_type == 'resnet':
scheduler = adjust_learning_rate_resnet(optimizer)
elif lr_scheduler_type == 'efficientnet':
scheduler = torch.optim.lr_scheduler.LambdaLR(optimizer, lr_lambda=lambda x: 0.97 ** int((x + config['lr_schedule']['warmup']['epoch']) / 2.4))
else:
raise ValueError('invalid lr_schduler=%s' % lr_scheduler_type)
if config['lr_schedule'].get('warmup', None) and config['lr_schedule']['warmup']['epoch'] > 0:
scheduler = GradualWarmupScheduler(
optimizer,
multiplier=config['lr_schedule']['warmup']['multiplier'],
total_epoch=config['lr_schedule']['warmup']['epoch'],
after_scheduler=scheduler
)
if not tag or not is_master:
from FastAutoAugment.metrics import SummaryWriterDummy as SummaryWriter
logger.warning('tag not provided, no tensorboard log.')
else:
from tensorboardX import SummaryWriter
writers = [SummaryWriter(log_dir='./logs/%s/%s' % (tag, x)) for x in ['train', 'valid', 'test']]
if config['optimizer']['ema'] > 0.0 and is_master:
# https://discuss.pytorch.org/t/how-to-apply-exponential-moving-average-decay-for-variables/10856/4?u=ildoonet
ema = EMA(config['optimizer']['ema'])
else:
ema = None
result = OrderedDict()
epoch_start = 1
#TODO: change only eval=False when without save_path ??
if save_path != 'test.pth': # and is_master: --> should load all data(not able to be broadcasted)
if save_path and not os.path.exists(save_path):
import torch.utils.model_zoo as model_zoo
data = model_zoo.load_url('https://download.pytorch.org/models/resnet50-19c8e357.pth',
model_dir=os.path.join(os.getcwd(), 'FastAutoAugment/models'))
if config['dataset'] == 'cifar10':
data.pop('fc.weight')
data.pop('fc.bias')
model_dict = model.state_dict()
model_dict.update(data)
model.load_state_dict(model_dict)
torch.save(model_dict, save_path)
logger.info('%s file found. loading...' % save_path)
data = torch.load(save_path)
key = 'model' if 'model' in data else 'state_dict'
if 'epoch' not in data:
model.load_state_dict(data)
else:
logger.info('checkpoint epoch@%d' % data['epoch'])
if not isinstance(model, (DataParallel, DistributedDataParallel)):
model.load_state_dict({k.replace('module.', ''): v for k, v in data[key].items()})
else:
model.load_state_dict({k if 'module.' in k else 'module.'+k: v for k, v in data[key].items()})
logger.info('optimizer.load_state_dict+')
optimizer.load_state_dict(data['optimizer'])
if data['epoch'] < config['epoch']:
epoch_start = data['epoch']
else:
only_eval = True
if ema is not None:
ema.shadow = data.get('ema', {}) if isinstance(data.get('ema', {}), dict) else data['ema'].state_dict()
del data
if local_rank >= 0:
for name, x in model.state_dict().items():
dist.broadcast(x, 0)
logger.info(f'multinode init. local_rank={dist.get_rank()} is_master={is_master}')
torch.cuda.synchronize()
tqdm_disabled = bool(os.environ.get('TASK_NAME', '')) and local_rank != 0 # KakaoBrain Environment
if only_eval:
logger.info('evaluation only+')
model.eval()
rs = dict()
rs['train'] = run_epoch(config, model, trainloader, criterion, None, desc_default='train', epoch=0, writer=writers[0], is_master=is_master)
with torch.no_grad():
rs['valid'] = run_epoch(config, model, validloader, criterion, None, desc_default='valid', epoch=0, writer=writers[1], is_master=is_master)
rs['test'] = run_epoch(config, model, testloader_, criterion, None, desc_default='*test', epoch=0, writer=writers[2], is_master=is_master)
if ema is not None and len(ema) > 0:
model_ema.load_state_dict({k.replace('module.', ''): v for k, v in ema.state_dict().items()})
rs['valid'] = run_epoch(config, model_ema, validloader, criterion_ce, None, desc_default='valid(EMA)', epoch=0, writer=writers[1], verbose=is_master, tqdm_disabled=tqdm_disabled)
rs['test'] = run_epoch(config, model_ema, testloader_, criterion_ce, None, desc_default='*test(EMA)', epoch=0, writer=writers[2], verbose=is_master, tqdm_disabled=tqdm_disabled)
for key, setname in itertools.product(['loss', 'top1', 'top5'], ['train', 'valid', 'test']):
if setname not in rs:
continue
result['%s_%s' % (key, setname)] = rs[setname][key]
result['epoch'] = 0
return result
# train loop
best_top1 = 0
for epoch in range(epoch_start, max_epoch + 1):
if local_rank >= 0:
trainsampler.set_epoch(epoch)
model.train()
rs = dict()
rs['train'] = run_epoch(config, model, trainloader, criterion, optimizer, desc_default='train', epoch=epoch, writer=writers[0], verbose=(is_master and local_rank <= 0), scheduler=scheduler, ema=ema, wd=config['optimizer']['decay'], tqdm_disabled=tqdm_disabled)
model.eval()
if math.isnan(rs['train']['loss']):
raise Exception('train loss is NaN.')
if ema is not None and config['optimizer']['ema_interval'] > 0 and epoch % config['optimizer']['ema_interval'] == 0:
logger.info(f'ema synced+ rank={dist.get_rank()}')
if ema is not None:
model.load_state_dict(ema.state_dict())
for name, x in model.state_dict().items():
# print(name)
dist.broadcast(x, 0)
torch.cuda.synchronize()
logger.info(f'ema synced- rank={dist.get_rank()}')
if is_master and (epoch % evaluation_interval == 0 or epoch == max_epoch):
with torch.no_grad():
rs['valid'] = run_epoch(config, model, validloader, criterion_ce, None, desc_default='valid', epoch=epoch, writer=writers[1], verbose=is_master, tqdm_disabled=tqdm_disabled)
rs['test'] = run_epoch(config, model, testloader_, criterion_ce, None, desc_default='*test', epoch=epoch, writer=writers[2], verbose=is_master, tqdm_disabled=tqdm_disabled)
if ema is not None:
model_ema.load_state_dict({k.replace('module.', ''): v for k, v in ema.state_dict().items()})
rs['valid'] = run_epoch(config, model_ema, validloader, criterion_ce, None, desc_default='valid(EMA)', epoch=epoch, writer=writers[1], verbose=is_master, tqdm_disabled=tqdm_disabled)
rs['test'] = run_epoch(config, model_ema, testloader_, criterion_ce, None, desc_default='*test(EMA)', epoch=epoch, writer=writers[2], verbose=is_master, tqdm_disabled=tqdm_disabled)
logger.info(
f'epoch={epoch} '
f'[train] loss={rs["train"]["loss"]:.4f} top1={rs["train"]["top1"]:.4f} '
f'[valid] loss={rs["valid"]["loss"]:.4f} top1={rs["valid"]["top1"]:.4f} '
f'[test] loss={rs["test"]["loss"]:.4f} top1={rs["test"]["top1"]:.4f} '
)
if metric == 'last' or rs[metric]['top1'] > best_top1:
if metric != 'last':
best_top1 = rs[metric]['top1']
for key, setname in itertools.product(['loss', 'top1', 'top5'], ['train', 'valid', 'test']):
result['%s_%s' % (key, setname)] = rs[setname][key]
result['epoch'] = epoch
writers[1].add_scalar('valid_top1/best', rs['valid']['top1'], epoch)
writers[2].add_scalar('test_top1/best', rs['test']['top1'], epoch)
reporter(
loss_valid=rs['valid']['loss'], top1_valid=rs['valid']['top1'],
loss_test=rs['test']['loss'], top1_test=rs['test']['top1']
)
# save checkpoint
if is_master and save_path:
logger.info('save model@%d to %s, err=%.4f' % (epoch, save_path, 1 - best_top1))
torch.save({
'epoch': epoch,
'log': {
'train': rs['train'].get_dict(),
'valid': rs['valid'].get_dict(),
'test': rs['test'].get_dict(),
},
'optimizer': optimizer.state_dict(),
'model': model.state_dict(),
'ema': ema.state_dict() if ema is not None else None,
}, save_path)
del model
result['top1_test'] = best_top1
return result
def eval_tta(config, augment, reporter):
C.get()
C.get().conf = config
cv_ratio_test, cv_fold, save_path = augment['cv_ratio_test'], augment[
'cv_fold'], augment['save_path']
# setup - provided augmentation rules
C.get()['aug'] = policy_decoder(augment, augment['num_policy'],
augment['num_op'])
# eval
model = get_model(C.get()['model'], num_class(C.get()['dataset']))
ckpt = torch.load(save_path + '.pth')
if 'model' in ckpt:
model.load_state_dict(ckpt['model'])
else:
model.load_state_dict(ckpt)
model = nn.DataParallel(model).cuda()
model.eval()
src_loaders = []
# for _ in range(augment['num_policy']):
_, src_tl, src_validloader, src_ttl = get_dataloaders(
C.get()['dataset'],
C.get()['batch'],
augment['dataroot'],
cv_ratio_test,
cv_num,
split_idx=cv_fold,
target=False,
random_range=C.get()['args'].random_range)
del src_tl, src_ttl
start_t = time.time()
metrics = Accumulator()
loss_fn = torch.nn.CrossEntropyLoss(reduction='none')
emd_loss = nn.DataParallel(emdModule()).cuda()
losses = []
corrects = []
for data in src_validloader:
with torch.no_grad():
point_cloud = data['point_cloud'].cuda()
label = torch.ones_like(data['label'], dtype=torch.int64).cuda()
trans_pc = data['transformed']
pred = model(trans_pc)
if C.get()['args'].use_emd_false:
loss_emd = (torch.mean(emd_loss(point_cloud.permute(0, 2, 1),
trans_pc.permute(0, 2, 1), 0.05, 3000)[0])).unsqueeze(0) \
* C.get()['args'].emd_coeff
else:
loss_emd = torch.tensor([0.0])
if C.get()['args'].no_dc:
loss = loss_emd
else:
loss = loss_emd + loss_fn(pred, label)
# print(loss)
losses.append(loss.detach().cpu().numpy())
pred = pred.max(dim=1)[1]
pred = pred.t()
correct = float(
torch.sum(pred == label).item()) / pred.size(0) * 100
corrects.append(correct)
del loss, correct, pred, data, label, loss_emd
losses = np.concatenate(losses)
losses_min = np.min(losses, axis=0).squeeze()
corrects_max = max(corrects)
metrics.add_dict({
'minus_loss': -1 * np.sum(losses_min),
'correct': np.sum(corrects_max),
# 'cnt': len(corrects_max)
})
del corrects, corrects_max
del model
# metrics = metrics / 'cnt'
gpu_secs = (time.time() - start_t) * torch.cuda.device_count()
# print(metrics)
reporter(minus_loss=metrics['minus_loss'],
top1_valid=metrics['correct'],
elapsed_time=gpu_secs,
done=True)
return metrics['minus_loss']
from datetime import datetime
import argparse
from lib.utils import yaml2config
from networks import get_model
try:
from torch.utils.tensorboard import SummaryWriter
except ModuleNotFoundError:
from tensorboardX import SummaryWriter
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="config")
parser.add_argument(
"--config",
nargs="?",
type=str,
default="configs/gan_iam.yml",
help="Configuration file to use",
)
args = parser.parse_args()
cfg = yaml2config(args.config)
run_id = datetime.strftime(datetime.now(), '%m-%d-%H-%M')
logdir = os.path.join(
"runs",
os.path.basename(args.config)[:-4] + '-' + str(run_id))
model = get_model(cfg.model)(cfg, logdir)
model.train()
def train_and_eval(tag,
dataroot,
metric='last',
save_path=None,
only_eval=False,
unsupervised=False,
mode=None):
max_epoch = C.get()['epoch']
trainloader, unsuploader, testloader = get_dataloaders(
C.get()['dataset'],
C.get()['batch'],
C.get()['batch_unsup'],
dataroot,
mode=mode,
n_labeled=args.n_labeled)
# create a model & an optimizer
model = get_model(C.get()['model'],
num_class(C.get()['dataset']),
data_parallel=True)
criterion = nn.CrossEntropyLoss()
if C.get()['optimizer']['type'] == 'sgd':
optimizer = optim.SGD(model.parameters(),
lr=C.get()['lr'],
momentum=C.get()['optimizer'].get(
'momentum', 0.9),
weight_decay=C.get()['optimizer']['decay'],
nesterov=C.get()['optimizer']['nesterov'])
else:
raise ValueError('invalid optimizer type=%s' %
C.get()['optimizer']['type'])
lr_scheduler_type = C.get()['lr_schedule'].get('type', 'cosine')
if lr_scheduler_type == 'cosine':
t_max = C.get()['epoch']
if C.get()['lr_schedule'].get('warmup', None):
t_max -= C.get()['lr_schedule']['warmup']['epoch']
scheduler = torch.optim.lr_scheduler.CosineAnnealingLR(optimizer,
T_max=t_max,
eta_min=0.)
else:
raise ValueError('invalid lr_schduler=%s' % lr_scheduler_type)
if C.get()['lr_schedule'].get('warmup', None):
scheduler = GradualWarmupScheduler(
optimizer,
multiplier=C.get()['lr_schedule']['warmup']['multiplier'],
total_epoch=C.get()['lr_schedule']['warmup']['epoch'],
after_scheduler=scheduler)
if not tag.strip():
from metrics import SummaryWriterDummy as SummaryWriter
logger.warning('tag not provided, no tensorboard log.')
else:
from tensorboardX import SummaryWriter
writers = [
SummaryWriter(logdir='./logs/%s/%s' % (tag, x))
for x in ['train', 'test']
]
result = OrderedDict()
epoch_start = 1
if save_path and os.path.exists(save_path):
data = torch.load(save_path)
model.load_state_dict(data['model'])
optimizer.load_state_dict(data['optimizer'])
epoch_start = data['epoch']
if only_eval:
logger.info('evaluation only+')
model.eval()
rs = dict()
rs['test'] = run_epoch(model,
testloader,
unsuploader,
criterion,
None,
desc_default='*test',
epoch=epoch_start,
writer=writers[1])
for key, setname in itertools.product(['loss', 'top1', 'top5'],
['train', 'test']):
result['%s_%s' % (key, setname)] = rs[setname][key]
result['epoch'] = 0
return result
# train loop
global best_valid_top1
best_valid_loss = 10e10
for epoch in range(epoch_start, max_epoch + 1):
model.train()
rs = dict()
if args.train_mode == 'small':
print(f'only small')
rs['train'] = run_epoch(model,
trainloader,
unsuploader,
criterion,
optimizer,
desc_default='train',
epoch=epoch,
writer=writers[0],
verbose=True,
unsupervised=False,
scheduler=scheduler)
else:
rs['train'] = run_epoch(model,
trainloader,
unsuploader,
criterion,
optimizer,
desc_default='train',
epoch=epoch,
writer=writers[0],
verbose=True,
unsupervised=unsupervised,
scheduler=scheduler)
if math.isnan(rs['train']['loss']):
raise Exception('train loss is NaN.')
model.eval()
if epoch % (10 if 'cifar' in C.get()['dataset'] else
30) == 0 or epoch == max_epoch:
rs['test'] = run_epoch(model,
testloader,
unsuploader,
criterion,
None,
desc_default='*test',
epoch=epoch,
writer=writers[1],
verbose=True)
if best_valid_top1 < rs['test']['top1']:
best_valid_top1 = rs['test']['top1']
if metric == 'last' or rs[metric]['loss'] < best_valid_loss: # TODO
if metric != 'last':
best_valid_loss = rs[metric]['loss']
for key, setname in itertools.product(['loss', 'top1', 'top5'],
['train', 'test']):
result['%s_%s' % (key, setname)] = rs[setname][key]
result['epoch'] = epoch
writers[1].add_scalar('test_top1/best', rs['test']['top1'],
epoch)
# save checkpoint
if save_path:
logger.info('save model@%d to %s' % (epoch, save_path))
torch.save(
{
'epoch': epoch,
'log': {
'train': rs['train'].get_dict(),
'test': rs['test'].get_dict(),
},
'optimizer': optimizer.state_dict(),
'model': model.state_dict()
}, save_path)
del model
return result
def build_model(self):
self.G = get_model(self.arch, pretrained=False).cuda()
if self.parallel:
self.G = nn.DataParallel(self.G)
logger = get_logger('learn2test')
logger.setLevel(logging.DEBUG)
if __name__ == '__main__':
parser = ConfigArgumentParser(conflict_handler='resolve')
parser.add_argument('--test-batch', type=int, default=32)
parser.add_argument('--tta', type=str, default='center')
parser.add_argument('--deform', type=str, default='')
parser.add_argument('--corrupt', type=str, default='')
args = parser.parse_args()
assert args.dataset == 'imagenet'
model_target = get_model(args.target_network, gpus=[0], num_classes=args.num_classes, train_aug=args.target_aug).eval()
profiler = Profiler(model_target)
print('target network, FLOPs=', profiler.flops(torch.zeros((1, 3, C.get()['target_size'], C.get()['target_size'])).cuda(), ))
scaled_size = int(math.floor(args.target_size / 0.875))
if args.deform != '':
deform_type, deform_level = args.deform.split(' ')
if deform_type in ['rotate', 'rotation']:
t = torchvision.transforms.Lambda(lambda img_orig: torchvision.transforms.functional.rotate(img_orig, int(deform_level), resample=PIL.Image.BICUBIC))
elif deform_type == 'bright':
t = torchvision.transforms.Lambda(lambda img_orig: torchvision.transforms.functional.adjust_brightness(img_orig, float(deform_level)))
elif deform_type == 'zoom':
resize = int(scaled_size * float(deform_level))
t = torchvision.transforms.Lambda(lambda img_orig: torchvision.transforms.functional.resize(img_orig, resize, interpolation=PIL.Image.BICUBIC))
elif deform_type:
def __getitem__(self, idx):
if self.target_network is None:
self.target_network = get_model(self.target_network_name,
gpus=[0],
num_classes=self.dataset.num_class,
train_aug=self.target_aug).eval()
img_orig, lb = self.dataset[idx]
n_img, n_lb, n_losses, n_corrects = [], [], [], []
for _ in range(self.num_sample):
tta_rotate_default = random.choice(
self.transform_r) if random.random() < self.d_tta_prob else 0.0
tta_zoom_default = random.choice(
self.transform_zs
) if random.random() < self.d_tta_prob else 1.0
tta_bright_default = random.choice(
self.transform_b) if random.random() < self.d_tta_prob else 1.0
for t_flip in self.transform_flip:
img_new = img_orig.copy()
corrupt_name = corrupt_op = corrupt_lv = None
if self.do_random_corrupt and random.random(
) < self.d_tta_prob: # TODO
corrupt_op = random.choice(corruption_tuple)
corrupt_lv = random.choice([1, 2, 3, 4, 5])
elif isinstance(self.corrupt_list, list) and random.random(
) < self.d_tta_prob: # TODO : Partial Corruptions
corrupt_name = random.choice(self.corrupt_list)
corrupt_op = corruption_dict[corrupt_name]
corrupt_lv = random.choice([1, 2, 3, 4, 5])
# corrupt_lv = random.choice([3, 4, 5])
if corrupt_op is not None:
img_np = corrupt_op(img_new, severity=corrupt_lv)
if isinstance(img_np, np.ndarray):
img_np = img_np.astype(np.uint8)
img_new = Image.fromarray(img_np)
elif isinstance(img_np, PIL.Image.Image):
img_new = img_np
else:
raise Exception(type(img_np))
if t_flip:
img_new = torchvision.transforms.functional.hflip(img_new)
mirror_expansion_factor = 3
try:
img_mirror = mirror_expansion(img_new)
except Exception as e:
print(corrupt_op, corrupt_lv)
print(e)
print(type(img_new))
print(img_new.size)
raise e
img_new = img_mirror.copy()
if tta_rotate_default != 0:
img_new = torchvision.transforms.functional.rotate(
img_new,
tta_rotate_default,
expand=False,
resample=PIL.Image.BICUBIC)
assert tta_bright_default > 0
if tta_bright_default != 1.0:
img_new = torchvision.transforms.functional.adjust_brightness(
img_new, tta_bright_default)
new_resize = int((self.target_size + self.padding) *
mirror_expansion_factor * tta_zoom_default)
assert 0.5 < tta_zoom_default < 1.5
if tta_zoom_default != 1.0:
img_new = torchvision.transforms.functional.resize(
img_new, new_resize, interpolation=PIL.Image.BICUBIC)
imgs_pil = []
for tta_action in tta_actions:
tta_rotate, tta_brightness, tta_zoom, tta_contrast, tta_color, tta_blur, tta_att, _ = decode(
tta_action)
if tta_rotate != 0:
img_rotate = torchvision.transforms.functional.rotate(
img_new,
tta_rotate,
expand=False,
resample=PIL.Image.BICUBIC)
else:
img_rotate = img_new.copy()
if tta_brightness != 1.0:
img_bright = torchvision.transforms.functional.adjust_brightness(
img_rotate, tta_brightness)
else:
img_bright = img_rotate.copy()
if tta_zoom != 1.0:
resize = int(new_resize * tta_zoom)
img_zoom = torchvision.transforms.functional.resize(
img_bright,
resize,
interpolation=PIL.Image.BICUBIC)
assert img_zoom.width > 32, (img_zoom.size,
img_bright.size)
else:
img_zoom = img_bright.copy()
if tta_contrast > 0.0:
img_zoom = PIL.ImageOps.autocontrast(img_zoom)
assert img_zoom.width > 32, ('autocont', img_zoom.size,
img_bright.size, img_new.size)
if tta_color != 1.0:
img_zoom = PIL.ImageEnhance.Color(img_zoom).enhance(
tta_color)
assert img_zoom.width > 32, ('color', img_zoom.size,
img_bright.size, img_new.size)
if tta_blur != 1.0:
img_zoom = ImageEnhance.Sharpness(img_zoom).enhance(
tta_blur)
assert img_zoom.width > 32, ('blur', img_zoom.size,
img_bright.size, img_new.size)
w, h = img_zoom.size
att_padding = self.padding if self.padding else 0
pw, ph = max(0, self.target_size + att_padding - w), max(
0, self.target_size + att_padding - h)
pw1, ph1 = pw // 2, ph // 2
pw2, ph2 = pw - pw1, ph - ph1
if pw1 > 0 or ph1 > 0 or pw2 > 0 or ph2 > 0:
img_pad = torchvision.transforms.functional.pad(
img_zoom, (pw1, ph1, pw2, ph2),
random.randint(0, 255), 'reflect')
else:
img_pad = img_zoom
# img = torchvision.transforms.functional.center_crop(img_zoom, (self.target_size, self.target_size))
crop_width = crop_height = self.target_size
# print(tta_action, 'orig.size=', img_orig.size, 'zoom.size=', img_zoom.size, 'img_pad.size', img_pad.size, 'target_size=', self.target_size, 'padding=', self.padding)
if tta_att == 0:
img = pil_center_crop(img_pad, self.target_size)
elif tta_att == 1:
img_pad = pil_center_crop(
img_pad, int(self.target_size + att_padding))
img = img_pad.crop((0, 0, crop_width, crop_height))
elif tta_att == 2:
img_pad = pil_center_crop(
img_pad, int(self.target_size + att_padding))
image_width, image_height = img_pad.size
img = img_pad.crop((image_width - crop_width, 0,
image_width, crop_height))
elif tta_att == 3:
img_pad = pil_center_crop(
img_pad, int(self.target_size + att_padding))
image_width, image_height = img_pad.size
img = img_pad.crop((0, image_height - crop_height,
crop_width, image_height))
elif tta_att == 4:
img_pad = pil_center_crop(
img_pad, int(self.target_size + att_padding))
image_width, image_height = img_pad.size
img = img_pad.crop((image_width - crop_width,
image_height - crop_height,
image_width, image_height))
else:
raise Exception
imgs_pil.append(img)
self.img_pils = imgs_pil
imgs = []
for img in imgs_pil:
img = torchvision.transforms.functional.to_tensor(img)
img = torchvision.transforms.functional.normalize(
img,
mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
imgs.append(img)
imgs = torch.stack(imgs).cuda()
assert len(imgs) == tta_num
with torch.no_grad():
preds = self.target_network(imgs)
corrects = (torch.argmax(
preds,
dim=1).squeeze() == lb).detach().cpu().int().float()
lbs = torch.tensor([lb] * tta_num).squeeze().cuda()
# taus = torch.FloatTensor(tta_taus).detach()
losses = torch.nn.functional.cross_entropy(
preds, lbs, reduction='none').detach().cpu()
del preds
if self.target_size > 32: # TODO
torch.cuda.empty_cache()
w, h = img_new.size
pw, ph = max(0, self.target_size + self.padding - w), max(
0, self.target_size + self.padding - h)
pw1, ph1 = pw // 2, ph // 2
pw2, ph2 = pw - pw1, ph - ph1
if pw1 > 0 or ph1 > 0 or pw2 > 0 or ph2 > 0:
img_new = torchvision.transforms.functional.pad(
img_new, (pw1, ph1, pw2, ph2), random.randint(0, 255),
'reflect')
if img_new.size[0] >= self.target_size or img_new.size[
1] >= self.target_size:
# img_new = torchvision.transforms.functional.center_crop(img_new, self.target_size)
img_new = pil_center_crop(img_new, self.target_size)
self.orig_img_pil = img_new
img_new = cutout(img_new,
cutsize=self.cutout * mirror_expansion_factor)
if self.is_test:
return img_mirror, imgs_pil, img_new, losses, corrects
img_new = torchvision.transforms.functional.resize(
img_new, self.l2t_size,
interpolation=PIL.Image.BICUBIC) # TODO
img_new = torchvision.transforms.functional.to_tensor(img_new)
img_new = torchvision.transforms.functional.normalize(
img_new,
mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225]).cpu()
n_img.append(img_new)
n_lb.append(lb)
n_losses.append(losses)
n_corrects.append(corrects)
return torch.stack(n_img), torch.Tensor(n_lb), torch.stack(
n_losses), torch.stack(n_corrects)
