def main(dataname):
model = CAE()
name = "CAE"
model_dict = torch.load('models/CAE_model', map_location='cpu')
model.load_state_dict(model_dict)
model.eval
EPOCH = 1
BATCH_SIZE_TRAIN = 49950
# dataname = "demonstrations/demo_00_02.pkl"
save_model_path = "models/" + name + "_model"
best_model_path = "models/" + name + "_best_model"
train_data = MotionData(dataname)
train_set = DataLoader(dataset=train_data,
batch_size=BATCH_SIZE_TRAIN,
shuffle=True)
for epoch in range(EPOCH):
epoch_loss = 0.0
for batch, x in enumerate(train_set):
# loss = model(x)
z = model.encoder(x).tolist()
print(len(z))
# print(epoch, loss.item())
data = np.asarray(z)
return data
class Model(object):
def __init__(self):
self.model = CAE()
model_dict = torch.load('models/CAE_model', map_location='cpu')
self.model.load_state_dict(model_dict)
self.model.eval
def decoder(self, img, s, z):
img = img / 128.0 - 1.0
img = np.transpose(img, (2, 0, 1))
img = torch.FloatTensor([img])
s = torch.FloatTensor([s])
z = torch.FloatTensor([z])
context = (img, s, z)
a_tensor = self.model.decoder(context)
a_numpy = a_tensor.detach().numpy()[0]
return list(a_numpy)
def run_forrest_run(dataset_list, activation_list, modelname):
for dataset_name in dataset_list:
for name in activation_list:
for model in modelname:
if model == "DNN":
dataset = Datasets()
if (dataset_name == 'MNIST'):
x_train, x_test, y_train, y_test = dataset.get_mnist(
"DNN")
num_classes = dataset.num_classes
input_shape = dataset.input_shape
elif (dataset_name == 'Fashion-MNIST'):
x_train, x_test, y_train, y_test = dataset.get_fashion_mnist(
"DNN")
num_classes = dataset.num_classes
input_shape = dataset.input_shape
dnn = DNN(name)
score, history = dnn.run_model(input_shape, x_train,
x_test, y_train, y_test, 1)
else:
dataset = Datasets()
if (dataset_name == 'MNIST'):
x_train, x_test, y_train, y_test = dataset.get_mnist(
"CNN")
elif (dataset_name == 'Fashion-MNIST'):
x_train, x_test, y_train, y_test = dataset.get_fashion_mnist(
"CNN")
num_classes = dataset.num_classes
input_shape = dataset.input_shape
if model == "CNN":
cnn = CNN(name)
score, history = cnn.run_model(input_shape, x_train,
x_test, y_train, y_test)
elif model == "CAE":
cae = CAE(name)
score, history = cae.run_model(input_shape, x_train,
x_test, y_train, y_test)
score, history = cnn.run_model(input_shape, x_train,
x_test, y_train, y_test)
plot_model(history, name, model, dataset_name)
def get_model(name, device):
"""
Returns required classifier and autoencoder
:param name:
:return: Autoencoder, Classifier
"""
if name == 'lenet':
model = LeNet(in_channels=channels).to(device)
elif name == 'alexnet':
model = AlexNet(channels=channels, num_classes=10).to(device)
elif name == 'vgg':
model = VGG(in_channels=channels, num_classes=10).to(device)
autoencoder = CAE(in_channels=channels).to(device)
return model, autoencoder
class Model(object):
def __init__(self):
self.model = CAE()
model_dict = torch.load('models/CAE_best_model', map_location='cpu')
self.model.load_state_dict(model_dict)
self.model.eval
def decoder(self, z, s):
if abs(z[0][0]) < 0.01:
return [0.0] * 6
# z = np.asarray([z])
z = np.asarray(z)
# print(s.shape)
z_tensor = torch.FloatTensor(np.concatenate((z,s),axis=1))
# print(z_tensor.shape)
a_tensor = self.model.decoder(z_tensor)
return a_tensor.tolist()
def encoder(self, a, s):
x = np.concatenate((a,s),axis=1)
x_tensor = torch.FloatTensor(x)
z = self.model.encoder(x_tensor)
return z.tolist()
def test_gpu_cpu_3():
input = np.random.normal(0, 0.1, size=[1, 30, 300, 1])
with tf.device("/cpu:0"):
np.random.seed(1234)
model_cpu = CAE(const.INPUT_SHAPE)
with tf.device('/gpu:0'):
np.random.seed(1234)
model_gpu = CAE(const.INPUT_SHAPE)
results_cpu = model_cpu.predict([input])
results_gpu = model_gpu.predict([input])
print(np.array_equal(results_cpu, results_gpu))
sys.path.append('./src')
from load_topos import load_topos
from models import CAE
from training import pretrain_cae
import numpy as np
import wandb
from wandb.keras import WandbCallback
from time import gmtime, strftime
date = strftime("%Y-%m-%d %H:%M:%S", gmtime())
wandb.init(project='deep-artefact',
group='001_pretrain_cae',
name=f'001_pretrain_cae_{date}')
x = load_topos('./data/dummy.mat')
cae = CAE(input_shape=x.shape[1:], filters=[33, 64, 128, 61])
history = pretrain_cae(x,
cae,
batch_size=256,
epochs=5,
optimizer='adam',
save_dir='./data/',
callbacks=[WandbCallback()])
loss = history.history['loss']
epochs = np.arange(1, len(loss) + 1)
np.save('./data/cae_loss.npy', np.array([loss, epochs]))
def extract_features(path_boxes_np, CAE_model_path, args):
f_imgs, g_imgs, b_imgs = util.CAE_dataset_feed_dict(
prefix, path_boxes_np, args.dataset)
print('dataset loaded!')
iters = np.load(path_boxes_np).__len__()
former_batch = tf.placeholder(dtype=tf.float32,
shape=[1, 64, 64, 1],
name='former_batch')
gray_batch = tf.placeholder(dtype=tf.float32,
shape=[1, 64, 64, 1],
name='gray_batch')
back_batch = tf.placeholder(dtype=tf.float32,
shape=[1, 64, 64, 1],
name='back_batch')
grad1_x, grad1_y = tf.image.image_gradients(former_batch)
# grad2_x,grad2_y=tf.image.image_gradients(gray_batch)
grad3_x, grad3_y = tf.image.image_gradients(back_batch)
grad_dis_1 = tf.sqrt(tf.square(grad1_x) + tf.square(grad1_y))
grad_dis_2 = tf.sqrt(tf.square(grad3_x) + tf.square(grad3_y))
former_feat = CAE.CAE_encoder(grad_dis_1,
'former',
bn=args.bn,
training=False)
gray_feat = CAE.CAE_encoder(gray_batch, 'gray', bn=args.bn, training=False)
back_feat = CAE.CAE_encoder(grad_dis_2, 'back', bn=args.bn, training=False)
# [batch_size,3072]
feat = tf.concat([
tf.layers.flatten(former_feat),
tf.layers.flatten(gray_feat),
tf.layers.flatten(back_feat)
],
axis=1)
var_list = tf.get_collection(tf.GraphKeys.TRAINABLE_VARIABLES,
scope='former_encoder')
var_list.extend(
tf.get_collection(tf.GraphKeys.TRAINABLE_VARIABLES,
scope='gray_encoder'))
var_list.extend(
tf.get_collection(tf.GraphKeys.TRAINABLE_VARIABLES,
scope='back_encoder'))
g_list = tf.get_collection(tf.GraphKeys.GLOBAL_VARIABLES,
scope='former_encoder')
g_list.extend(
tf.get_collection(tf.GraphKeys.GLOBAL_VARIABLES, scope='gray_encoder'))
g_list.extend(
tf.get_collection(tf.GraphKeys.GLOBAL_VARIABLES, scope='back_encoder'))
bn_list = [
g for g in g_list
if 'moving_mean' in g.name or 'moving_variance' in g.name
]
var_list += bn_list
restorer = tf.train.Saver(var_list=var_list)
data = []
with tf.Session() as sess:
sess.run(tf.global_variables_initializer())
if args.bn:
restorer.restore(sess, CAE_model_path + '_bn')
else:
restorer.restore(sess, CAE_model_path)
for i in range(iters):
feed_dict = {
former_batch: np.expand_dims(f_imgs[i], 0),
gray_batch: np.expand_dims(g_imgs[i], 0),
back_batch: np.expand_dims(b_imgs[i], 0)
}
result = sess.run(feat, feed_dict=feed_dict)
if args.norm == 0:
_temp = result[0]
else:
_temp = util.norm_(result[0], l=args.norm)[0]
if args.class_add:
c_onehot_embedding = np.zeros(90, dtype=np.float32)
c_onehot_embedding[class_indexes[i] - 1] = 1
_temp = np.concatenate((_temp, c_onehot_embedding), axis=0)
data.append(_temp)
data = np.array(data)
sess.close()
return data
def train_CAE(path_boxes_np, args):
epoch_len = len(np.load(path_boxes_np))
f_imgs, g_imgs, b_imgs = util.CAE_dataset_feed_dict(
prefix, path_boxes_np, dataset_name=args.dataset)
#former_batch,gray_batch,back_batch=util.CAE_dataset(path_boxes_np,args.dataset,epochs,batch_size)
former_batch = tf.placeholder(dtype=tf.float32,
shape=[batch_size, 64, 64, 1],
name='former_batch')
gray_batch = tf.placeholder(dtype=tf.float32,
shape=[batch_size, 64, 64, 1],
name='gray_batch')
back_batch = tf.placeholder(dtype=tf.float32,
shape=[batch_size, 64, 64, 1],
name='back_batch')
grad1_x, grad1_y = tf.image.image_gradients(former_batch)
# grad2_x,grad2_y=tf.image.image_gradients(gray_batch)
grad3_x, grad3_y = tf.image.image_gradients(back_batch)
grad_dis_1 = tf.sqrt(tf.square(grad1_x) + tf.square(grad1_y))
grad_dis_2 = tf.sqrt(tf.square(grad3_x) + tf.square(grad3_y))
former_outputs = CAE.CAE(grad_dis_1, 'former', bn=args.bn, training=True)
gray_outputs = CAE.CAE(gray_batch, 'gray', bn=args.bn, training=True)
back_outputs = CAE.CAE(grad_dis_2, 'back', bn=args.bn, training=True)
former_loss = CAE.pixel_wise_L2_loss(former_outputs, grad_dis_1)
gray_loss = CAE.pixel_wise_L2_loss(gray_outputs, gray_batch)
back_loss = CAE.pixel_wise_L2_loss(back_outputs, grad_dis_2)
global_step = tf.Variable(0, dtype=tf.int32, trainable=False)
global_step_a = tf.Variable(0, dtype=tf.int32, trainable=False)
global_step_b = tf.Variable(0, dtype=tf.int32, trainable=False)
lr_decay_epochs[0] = int(epoch_len // batch_size) * lr_decay_epochs[0]
lr = tf.train.piecewise_constant(global_step,
boundaries=lr_decay_epochs,
values=learning_rate)
former_vars = tf.get_collection(key=tf.GraphKeys.TRAINABLE_VARIABLES,
scope='former_')
gray_vars = tf.get_collection(key=tf.GraphKeys.TRAINABLE_VARIABLES,
scope='gray_')
back_vars = tf.get_collection(key=tf.GraphKeys.TRAINABLE_VARIABLES,
scope='back_')
# print(former_vars)
if args.weight_reg != 0:
former_loss = former_loss + args.weight_reg * weiht_regualized_loss(
former_vars)
gray_loss = gray_loss + args.weight_reg * weiht_regualized_loss(
gray_vars)
back_loss = back_loss + args.weight_reg * weiht_regualized_loss(
back_vars)
former_op = tf.train.AdamOptimizer(learning_rate=lr).minimize(
former_loss, var_list=former_vars, global_step=global_step)
gray_op = tf.train.AdamOptimizer(learning_rate=lr).minimize(
gray_loss, var_list=gray_vars, global_step=global_step_a)
back_op = tf.train.AdamOptimizer(learning_rate=lr).minimize(
back_loss, var_list=back_vars, global_step=global_step_b)
step = 0
if not args.bn:
writer = tf.summary.FileWriter(logdir=summary_save_path_pre +
args.dataset)
else:
writer = tf.summary.FileWriter(logdir=summary_save_path_pre +
args.dataset + '_bn')
tf.summary.scalar('loss/former_loss', former_loss)
tf.summary.scalar('loss/gray_loss', gray_loss)
tf.summary.scalar('loss/back_loss', back_loss)
tf.summary.image('inputs/former', grad_dis_1)
tf.summary.image('inputs/gray', gray_batch)
tf.summary.image('inputs/back', grad_dis_2)
tf.summary.image('outputs/former', former_outputs)
tf.summary.image('outputs/gray', gray_outputs)
tf.summary.image('outputs/back', back_outputs)
summary_op = tf.summary.merge_all()
saver = tf.train.Saver(var_list=tf.global_variables())
indices = list(range(epoch_len))
with tf.Session() as sess:
sess.run(tf.global_variables_initializer())
for epoch in range(epochs):
random.shuffle(indices)
for i in range(epoch_len // batch_size):
feed_dict = {
former_batch: [
f_imgs[d]
for d in indices[i * batch_size:(i + 1) * batch_size]
],
gray_batch: [
g_imgs[d]
for d in indices[i * batch_size:(i + 1) * batch_size]
],
back_batch: [
b_imgs[d]
for d in indices[i * batch_size:(i + 1) * batch_size]
]
}
step, _lr, _, _, _, _former_loss, _gray_loss, _back_loss = sess.run(
[
global_step, lr, former_op, gray_op, back_op,
former_loss, gray_loss, back_loss
],
feed_dict=feed_dict)
if step % 10 == 0:
print('At step {}'.format(step))
print('\tLearning Rate {:.4f}'.format(_lr))
print('\tFormer Loss {:.4f}'.format(_former_loss))
print('\tGray Loss {:.4f}'.format(_gray_loss))
print('\tBack Loss {:.4f}'.format(_back_loss))
if step % 50 == 0:
_summary = sess.run(summary_op, feed_dict=feed_dict)
writer.add_summary(_summary, global_step=step)
if not args.bn:
saver.save(sess, model_save_path_pre + args.dataset)
else:
saver.save(sess, model_save_path_pre + args.dataset + '_bn')
print('train finished!')
sess.close()
def train(opts):
device = torch.device("cuda" if use_cuda else "cpu")
if opts.arch == 'small':
channels = [32, 32, 32, 10]
elif opts.arch == 'large':
channels = [256, 128, 64, 32]
else:
raise NotImplementedError('Unknown model architecture')
if opts.mode == 'train_mnist':
train_loader, valid_loader = get_mnist_loaders(opts.data_dir,
opts.bsize,
opts.nworkers,
opts.sigma, opts.alpha)
model = CAE(1, 10, 28, opts.n_prototypes, opts.decoder_arch, channels)
elif opts.mode == 'train_cifar':
train_loader, valid_loader = get_cifar_loaders(opts.data_dir,
opts.bsize,
opts.nworkers,
opts.sigma, opts.alpha)
model = CAE(3, 10, 32, opts.n_prototypes, opts.decoder_arch, channels)
elif opts.mode == 'train_fmnist':
train_loader, valid_loader = get_fmnist_loaders(
opts.data_dir, opts.bsize, opts.nworkers, opts.sigma, opts.alpha)
model = CAE(1, 10, 28, opts.n_prototypes, opts.decoder_arch, channels)
else:
raise NotImplementedError('Unknown train mode')
if opts.optim == 'adam':
optimizer = torch.optim.Adam(model.parameters(),
lr=opts.lr,
weight_decay=opts.wd)
else:
raise NotImplementedError("Unknown optim type")
criterion = nn.CrossEntropyLoss()
start_n_iter = 0
# for choosing the best model
best_val_acc = 0.0
model_path = os.path.join(opts.save_path, 'model_latest.net')
if opts.resume and os.path.exists(model_path):
# restoring training from save_state
print('====> Resuming training from previous checkpoint')
save_state = torch.load(model_path, map_location='cpu')
model.load_state_dict(save_state['state_dict'])
start_n_iter = save_state['n_iter']
best_val_acc = save_state['best_val_acc']
opts = save_state['opts']
opts.start_epoch = save_state['epoch'] + 1
model = model.to(device)
# for logging
logger = TensorboardLogger(opts.start_epoch, opts.log_iter, opts.log_dir)
logger.set(['acc', 'loss', 'loss_class', 'loss_ae', 'loss_r1', 'loss_r2'])
logger.n_iter = start_n_iter
for epoch in range(opts.start_epoch, opts.epochs):
model.train()
logger.step()
valid_sample = torch.stack([
valid_loader.dataset[i][0]
for i in random.sample(range(len(valid_loader.dataset)), 10)
]).to(device)
for batch_idx, (data, target) in enumerate(train_loader):
acc, loss, class_error, ae_error, error_1, error_2 = run_iter(
opts, data, target, model, criterion, device)
# optimizer step
optimizer.zero_grad()
loss.backward()
nn.utils.clip_grad_norm_(model.parameters(), opts.max_norm)
optimizer.step()
logger.update(acc, loss, class_error, ae_error, error_1, error_2)
val_loss, val_acc, val_class_error, val_ae_error, val_error_1, val_error_2, time_taken = evaluate(
opts, model, valid_loader, criterion, device)
# log the validation losses
logger.log_valid(time_taken, val_acc, val_loss, val_class_error,
val_ae_error, val_error_1, val_error_2)
print('')
# Save the model to disk
if val_acc >= best_val_acc:
best_val_acc = val_acc
save_state = {
'epoch': epoch,
'state_dict': model.state_dict(),
'optimizer': optimizer.state_dict(),
'n_iter': logger.n_iter,
'opts': opts,
'val_acc': val_acc,
'best_val_acc': best_val_acc
}
model_path = os.path.join(opts.save_path, 'model_best.net')
torch.save(save_state, model_path)
prototypes = model.save_prototypes(opts.save_path,
'prototypes_best.png')
x = torchvision.utils.make_grid(prototypes, nrow=10, pad_value=1.0)
logger.writer.add_image('Prototypes (best)', x, epoch)
save_state = {
'epoch': epoch,
'state_dict': model.state_dict(),
'optimizer': optimizer.state_dict(),
'n_iter': logger.n_iter,
'opts': opts,
'val_acc': val_acc,
'best_val_acc': best_val_acc
}
model_path = os.path.join(opts.save_path, 'model_latest.net')
torch.save(save_state, model_path)
prototypes = model.save_prototypes(opts.save_path,
'prototypes_latest.png')
x = torchvision.utils.make_grid(prototypes, nrow=10, pad_value=1.0)
logger.writer.add_image('Prototypes (latest)', x, epoch)
ae_samples = model.get_decoded_pairs_grid(valid_sample)
logger.writer.add_image('AE_samples_latest', ae_samples, epoch)
if __name__ == "__main__":
data_dir = 'data/coco2017'
log_dir = 'logs'
input_image_size = (256, 256, 3)
batch_size = 10
latent_dim = 32
optimizer = tf.keras.optimizers.Adam(1e-3)
# Initialize and compile models
incept_model = InceptionV3(include_top=False,
pooling='avg',
input_shape=input_image_size)
ae_model = AE(latent_dim, input_image_size)
cae_model = CAE(latent_dim, input_image_size)
vae_model = VAE(latent_dim, input_image_size)
cvae_model = CVAE(latent_dim, input_image_size)
memcae_model = MemCAE(latent_dim, True, input_image_size, batch_size, 500,
optimizer)
for classes in [['cat']]:
# Load and augment training data
ds_train = dataloader(classes, data_dir, input_image_size, batch_size,
'train2019')
ds_val = dataloader(classes, data_dir, input_image_size, batch_size,
'val2019')
class_label = classes[0] if len(classes) == 1 else "similar"
# Train each model for comparison
for m in [memcae_model]:
def __init__(self):
self.model = CAE()
model_dict = torch.load('models/CAE_model', map_location='cpu')
self.model.load_state_dict(model_dict)
self.model.eval
def train_CAE(path_boxes_np, args):
epoch_len = len(np.load(path_boxes_np))
f_imgs, g_imgs, b_imgs, class_indexs = util.CAE_dataset_feed_dict(
prefix, path_boxes_np, dataset_name=args.dataset)
#former_batch,gray_batch,back_batch=util.CAE_dataset(path_boxes_np,args.dataset,epochs,batch_size)
former_batch = tf.placeholder(dtype=tf.float32,
shape=[batch_size, 64, 64, 1],
name='former_batch')
gray_batch = tf.placeholder(dtype=tf.float32,
shape=[batch_size, 64, 64, 1],
name='gray_batch')
back_batch = tf.placeholder(dtype=tf.float32,
shape=[batch_size, 64, 64, 1],
name='back_batch')
# * tf.image.image_gradients() 计算单张图片的x和y方向的梯度，与论文意思不一致
# * 应修改为计算frame_{t} 和 frame_{t-3}及 frame_{t+3}的 帧差（absdiff）
# grad1_x, grad1_y = tf.image.image_gradients(former_batch)
# grad1=tf.concat([grad1_x,grad1_y],axis=-1)
grad1 = tf.math.abs(tf.math.subtract(former_batch, gray_batch))
# grad2_x,grad2_y=tf.image.image_gradients(gray_batch)
# grad3_x, grad3_y = tf.image.image_gradients(back_batch)
# grad3=tf.concat([grad3_x,grad3_y],axis=-1)
grad3 = tf.math.abs(tf.math.subtract(back_batch, gray_batch))
#grad_dis_1 = tf.sqrt(tf.square(grad1_x) + tf.square(grad1_y))
#grad_dis_2 = tf.sqrt(tf.square(grad3_x) + tf.square(grad3_y))
former_outputs = CAE.CAE(grad1, 'former', bn=args.bn, training=True)
gray_outputs = CAE.CAE(gray_batch, 'gray', bn=args.bn, training=True)
back_outputs = CAE.CAE(grad3, 'back', bn=args.bn, training=True)
former_loss = CAE.pixel_wise_L2_loss(former_outputs, grad1)
gray_loss = CAE.pixel_wise_L2_loss(gray_outputs, gray_batch)
back_loss = CAE.pixel_wise_L2_loss(back_outputs, grad3)
global_step = tf.Variable(0, dtype=tf.int32, trainable=False)
global_step_a = tf.Variable(0, dtype=tf.int32, trainable=False)
global_step_b = tf.Variable(0, dtype=tf.int32, trainable=False)
lr_decay_epochs[0] = int(epoch_len // batch_size) * lr_decay_epochs[0]
lr = tf.train.piecewise_constant(global_step,
boundaries=lr_decay_epochs,
values=learning_rate)
former_vars = tf.get_collection(key=tf.GraphKeys.TRAINABLE_VARIABLES,
scope='former_')
gray_vars = tf.get_collection(key=tf.GraphKeys.TRAINABLE_VARIABLES,
scope='gray_')
back_vars = tf.get_collection(key=tf.GraphKeys.TRAINABLE_VARIABLES,
scope='back_')
# print(former_vars)
if args.weight_reg != 0:
former_loss = former_loss + args.weight_reg * weiht_regualized_loss(
former_vars)
gray_loss = gray_loss + args.weight_reg * weiht_regualized_loss(
gray_vars)
back_loss = back_loss + args.weight_reg * weiht_regualized_loss(
back_vars)
former_op = tf.train.AdamOptimizer(learning_rate=lr).minimize(
former_loss, var_list=former_vars, global_step=global_step)
gray_op = tf.train.AdamOptimizer(learning_rate=lr).minimize(
gray_loss, var_list=gray_vars, global_step=global_step_a)
back_op = tf.train.AdamOptimizer(learning_rate=lr).minimize(
back_loss, var_list=back_vars, global_step=global_step_b)
step = 0
if not args.bn:
logdir = f'{summary_save_path_pre}/{args.dataset}'
else:
logdir = f'{summary_save_path_pre}/{args.dataset}_bn'
writer = tf.summary.FileWriter(logdir=logdir)
tf.summary.scalar('loss/former_loss', former_loss)
tf.summary.scalar('loss/gray_loss', gray_loss)
tf.summary.scalar('loss/back_loss', back_loss)
#tf.summary.image('inputs/former',grad_dis_1)
tf.summary.image('inputs/gray', gray_batch)
#tf.summary.image('inputs/back',grad_dis_2)
#tf.summary.image('outputs/former',former_outputs)
tf.summary.image('outputs/gray', gray_outputs)
#tf.summary.image('outputs/back',back_outputs)
summary_op = tf.summary.merge_all()
saver = tf.train.Saver(var_list=tf.global_variables())
indices = list(range(epoch_len))
with tf.Session() as sess:
sess.run(tf.global_variables_initializer())
for epoch in range(epochs):
random.shuffle(indices)
for i in range(epoch_len // batch_size):
feed_dict = {
former_batch: [
f_imgs[d]
for d in indices[i * batch_size:(i + 1) * batch_size]
],
gray_batch: [
g_imgs[d]
for d in indices[i * batch_size:(i + 1) * batch_size]
],
back_batch: [
b_imgs[d]
for d in indices[i * batch_size:(i + 1) * batch_size]
]
}
step, _lr, _, _, _, _former_loss, _gray_loss, _back_loss = sess.run(
[
global_step, lr, former_op, gray_op, back_op,
former_loss, gray_loss, back_loss
],
feed_dict=feed_dict)
step_result = f'step{step}: lr={_lr:.4f}, fl={_former_loss:.4f}, gl={_gray_loss:.4f}, bl={_back_loss:.4f}'
if step % 10 == 0:
print(step_result)
if step % 50 == 0:
_summary = sess.run(summary_op, feed_dict=feed_dict)
writer.add_summary(_summary, global_step=step)
if not args.bn:
ckpt_path = f'{model_save_path_pre}{args.dataset}/{args.dataset}.ckpt'
else:
ckpt_path = f'{model_save_path_pre}{args.dataset}_bn/{args.dataset}.ckpt'
saver.save(sess, ckpt_path)
print('train finished!')
sess.close()
help='number of total epochs to run')
args = parser.parse_args()
return args
args = parse_opts()
print(args)
os.environ['CUDA_VISIBLE_DEVICES'] = args.cuda_id
# create tensorboard writer
cur_time = time.strftime('%Y-%m-%d-%H-%M-%S', time.localtime(time.time()))
if args.base_model == 'cae_4':
model = CAE.CAE_4(data_len=1000, kernel_size=8, is_skip=args.is_skip)
elif args.base_model == 'cae_5':
model = CAE.CAE_5(data_len=1000, kernel_size=8, is_skip=args.is_skip)
elif args.base_model == 'cae_6':
model = CAE.CAE_6(data_len=1000, kernel_size=8, is_skip=args.is_skip)
elif args.base_model == 'cae_7':
model = CAE.CAE_7(data_len=1000, kernel_size=8, is_skip=args.is_skip)
elif args.base_model == 'cae_8':
model = CAE.CAE_8(data_len=1000, kernel_size=8, is_skip=args.is_skip)
elif args.base_model == 'cae_9':
model = CAE.CAE_9(data_len=1000, kernel_size=8, is_skip=args.is_skip)
model.cuda()
optimizer = torch.optim.SGD(model.parameters(),
lr=args.lr,
momentum=0.9,
weight_decay=args.weight_decay)
