def get_dataset(dataset_name, batch_size):
if dataset_name == 'mnist':
# dataset
pylib.mkdir('./data/mnist')
dataset = tl.Mnist(data_dir='./data/mnist', batch_size=batch_size)
# get next func
def get_next():
return dataset.get_next()['img']
dataset.get_next_ = get_next
# shape
img_shape = [28, 28, 1]
elif dataset_name == 'celeba':
# dataset
def _map_func(img):
crop_size = 108
re_size = 64
img = tf.image.crop_to_bounding_box(img, (218 - crop_size) // 2, (178 - crop_size) // 2, crop_size, crop_size)
img = tf.image.resize_images(img, [re_size, re_size], method=tf.image.ResizeMethod.BICUBIC)
img = tf.clip_by_value(img, 0, 255) / 127.5 - 1
return img
paths = glob.glob('./data/celeba/img_align_celeba/*.jpg')
dataset = tl.DiskImageData(img_paths=paths, batch_size=batch_size, map_func=_map_func)
# get next func
dataset.get_next_ = dataset.get_next
# shape
img_shape = [64, 64, 3]
return dataset, img_shape
def sample_graph():
# ======================================
# = graph =
# ======================================
# placeholders & inputs
zs = [
tl.truncated_normal([args.n_samples, z_dim],
minval=-args.truncation_threshold,
maxval=args.truncation_threshold)
for z_dim in args.z_dims
]
eps = tl.truncated_normal([args.n_samples, args.eps_dim],
minval=-args.truncation_threshold,
maxval=args.truncation_threshold)
# generate
x_f = G_test(zs, eps, training=False)
# ======================================
# = run function =
# ======================================
save_dir = './output/%s/samples_training/sample' % (args.experiment_name)
py.mkdir(save_dir)
def run(epoch, iter):
x_f_opt = sess.run(x_f)
sample = im.immerge(x_f_opt, n_rows=int(args.n_samples**0.5))
im.imwrite(sample, '%s/Epoch-%d_Iter-%d.jpg' % (save_dir, epoch, iter))
return run
def sample_graph():
# ======================================
# = graph =
# ======================================
if not os.path.exists(py.join(output_dir, args_.generator_pb)):
# model
Genc, Gdec, _ = module.get_model(args.model, n_atts, weight_decay=args.weight_decay)
# placeholders & inputs
xa = tf.placeholder(tf.float32, shape=[None, args.crop_size, args.crop_size, 3])
b_ = tf.placeholder(tf.float32, shape=[None, n_atts])
# sample graph
x = Gdec(Genc(xa, training=False), b_, training=False)
else:
# load freezed model
with tf.gfile.GFile(py.join(output_dir, args_.generator_pb), 'rb') as f:
graph_def = tf.GraphDef()
graph_def.ParseFromString(f.read())
tf.import_graph_def(graph_def, name='generator')
# placeholders & inputs
xa = sess.graph.get_tensor_by_name('generator/xa:0')
b_ = sess.graph.get_tensor_by_name('generator/b_:0')
# sample graph
x = sess.graph.get_tensor_by_name('generator/xb:0')
# ======================================
# = run function =
# ======================================
save_dir = '%s/output/%s/samples_testing_slide/%s_%s_%s_%s' % \
(args.flask_path, args.experiment_name, args.test_att_name, '{:g}'.format(args.test_int_min), '{:g}'.format(args.test_int_max), '{:g}'.format(args.test_int_step))
py.mkdir(save_dir)
def run():
cnt = 0
for _ in tqdm.trange(len_test_dataset):
# data for sampling
xa_ipt, a_ipt = sess.run(test_iter.get_next())
b_ipt = np.copy(a_ipt)
b__ipt = (b_ipt * 2 - 1).astype(np.float32) # !!!
x_opt_list = [xa_ipt]
for test_int in np.arange(args.test_int_min, args.test_int_max + 1e-5, args.test_int_step):
b__ipt[:, args.att_names.index(args.test_att_name)] = test_int
x_opt = sess.run(x, feed_dict={xa: xa_ipt, b_: b__ipt})
x_opt_list.append(x_opt)
sample = np.transpose(x_opt_list, (1, 2, 0, 3, 4))
sample = np.reshape(sample, (sample.shape[0], -1, sample.shape[2] * sample.shape[3], sample.shape[4]))
for s in sample:
cnt += 1
im.imwrite(s, '%s/%d.jpg' % (save_dir, cnt))
return run
def get_dataset_models(dataset_name):
if dataset_name == 'mnist':
import models
pylib.mkdir('./data/mnist')
Dataset = partial(tl.Mnist, data_dir='./data/mnist', repeat=1)
return Dataset, {'D': models.D, 'G': models.G}
elif dataset_name == 'celeba':
import models_64x64
raise NotImplementedError
def sample_graph():
# ======================================
# = graph =
# ======================================
# placeholders & inputs
val_next = val_iter.get_next()
xa = tf.placeholder(tf.float32,
shape=[None, args.crop_size, args.crop_size, 3])
b_ = tf.placeholder(tf.float32, shape=[None, n_atts])
# sample graph
x = Gdec(Genc(xa, training=False), b_, training=False)
# ======================================
# = run function =
# ======================================
save_dir = './output/%s/samples_training' % args.experiment_name
py.mkdir(save_dir)
def run(epoch, iter):
# data for sampling
xa_ipt, a_ipt = sess.run(val_next)
b_ipt_list = [a_ipt] # the first is for reconstruction
for i in range(n_atts):
tmp = np.array(a_ipt, copy=True)
tmp[:, i] = 1 - tmp[:, i] # inverse attribute
tmp = data.check_attribute_conflict(tmp, args.att_names[i],
args.att_names)
b_ipt_list.append(tmp)
x_opt_list = [xa_ipt]
for i, b_ipt in enumerate(b_ipt_list):
b__ipt = (b_ipt * 2 - 1).astype(np.float32) # !!!
if i > 0: # i == 0 is for reconstruction
b__ipt[..., i - 1] = b__ipt[..., i - 1] * args.test_int
x_opt = sess.run(x, feed_dict={xa: xa_ipt, b_: b__ipt})
x_opt_list.append(x_opt)
sample = np.transpose(x_opt_list, (1, 2, 0, 3, 4))
sample = np.reshape(
sample, (-1, sample.shape[2] * sample.shape[3], sample.shape[4]))
im.imwrite(sample, '%s/Epoch-%d_Iter-%d.jpg' % (save_dir, epoch, iter))
return run
def get_dataset(dataset_name):
if dataset_name == 'mnist':
# dataset
pylib.mkdir('./data/mnist')
Dataset = partial(tl.Mnist, data_dir='./data/mnist', repeat=1)
# shape
img_shape = [28, 28, 1]
# index func
def get_imgs(batch):
return batch['img']
return Dataset, img_shape, get_imgs
elif dataset_name == 'celeba':
# dataset
def _map_func(img):
crop_size = 108
re_size = 64
img = tf.image.crop_to_bounding_box(img, (218 - crop_size) // 2,
(178 - crop_size) // 2,
crop_size, crop_size)
img = tf.image.resize_images(img, [re_size, re_size],
method=tf.image.ResizeMethod.BICUBIC)
img = tf.clip_by_value(img, 0, 255) / 127.5 - 1
return img
paths = glob.glob('./data/celeba/img_align_celeba/*.jpg')
Dataset = partial(tl.DiskImageData,
img_paths=paths,
repeat=1,
map_func=_map_func)
# shape
img_shape = [64, 64, 3]
# index func
def get_imgs(batch):
return batch
return Dataset, img_shape, get_imgs
def sample_A2B(A):
A2B = G_A2B(A, training=False)
A2B2A = G_B2A(A2B, training=False)
return A2B, A2B2A
@tf.function
def sample_B2A(B):
B2A = G_B2A(B, training=False)
B2A2B = G_A2B(B2A, training=False)
return B2A, B2A2B
# run
save_dir = py.join(args.experiment_dir, 'samples_testing', 'A2B')
py.mkdir(save_dir)
i = 0
for A in A_dataset_test:
A2B, A2B2A = sample_A2B(A)
for A_i, A2B_i, A2B2A_i in zip(A, A2B, A2B2A):
img = np.concatenate(
[A_i.numpy(), A2B_i.numpy(),
A2B2A_i.numpy()], axis=1)
im.imwrite(img, py.join(save_dir, py.name_ext(A_img_paths_test[i])))
i += 1
save_dir = py.join(args.experiment_dir, 'samples_testing', 'B2A')
py.mkdir(save_dir)
i = 0
for B in B_dataset_test:
B2A, B2A2B = sample_B2A(B)
py.arg('--gradient_penalty_sample_mode', choices=['line', 'real', 'fake', 'dragan'], default='line')
py.arg('--d_gradient_penalty_weight', type=float, default=10.0)
py.arg('--d_attribute_loss_weight', type=float, default=1.0)
py.arg('--g_attribute_loss_weight', type=float, default=10.0)
py.arg('--g_reconstruction_loss_weight', type=float, default=100.0)
py.arg('--weight_decay', type=float, default=0.0)
py.arg('--n_samples', type=int, default=12)
py.arg('--test_int', type=float, default=2.0)
py.arg('--experiment_name', default='default')
args = py.args()
# output_dir
output_dir = py.join('output', args.experiment_name)
py.mkdir(output_dir)
# save settings
py.args_to_yaml(py.join(output_dir, 'settings.yml'), args)
# others
n_atts = len(args.att_names)
train_dataset, len_train_dataset = data.make_celeba_dataset(args.img_dir, args.train_label_path, args.att_names, args.batch_size,
load_size=args.load_size, crop_size=args.crop_size,
training=True, shuffle=False, repeat=None)
print(len_train_dataset)
print(train_dataset)
train_iter = train_dataset.make_one_shot_iterator()
import imageio
import pylib as py
# ==============================================================================
# = param =
# ==============================================================================
py.arg('--save_path', default='pics/custom_gan.gif')
py.arg('--img_dir', default='output/_gan_dragan/samples_training')
py.arg('--max_frames', type=int, default=0)
args = py.args()
py.mkdir(py.directory(args.save_path))
# ==============================================================================
# = make gif =
# ==============================================================================
# modified from https://www.tensorflow.org/alpha/tutorials/generative/dcgan
with imageio.get_writer(args.save_path, mode='I', fps=8) as writer:
filenames = sorted(py.glob(args.img_dir, '*.jpg'))
if args.max_frames:
step = len(filenames) // args.max_frames
else:
step = 1
last = -1
for i, filename in enumerate(filenames[::step]):
frame = 2 * (i**0.3)
if round(frame) > round(last):
last = frame
else:
# ==============================================================================
# = train =
# ==============================================================================
# session
sess = tl.session()
# saver
saver = tf.train.Saver(max_to_keep=1)
# summary writer
summary_writer = tf.summary.FileWriter('./output/%s/summaries' % experiment_name, sess.graph)
# initialization
ckpt_dir = './output/%s/checkpoints' % experiment_name
pylib.mkdir(ckpt_dir)
try:
tl.load_checkpoint(ckpt_dir, sess)
except:
sess.run(tf.global_variables_initializer())
# train
try:
z_ipt_sample = np.random.normal(size=[100, z_dim])
it = -1
it_per_epoch = len(dataset) // batch_size
for ep in range(epoch):
dataset.reset()
for batch in dataset:
it += 1
def verification(self, path_list, labels, name_list):
atts = ['Bags_Under_Eyes']
att_val = [2.0]
img_size = 256
n_slide = 10
test_slide = False
thres_int = 0.5
sess_1 = tf.Session()
te_data = data.MyCeleba(img_size,
1,
path_list,
labels,
part='test',
sess=sess_1,
crop=False)
for idx, batch in enumerate(te_data):
print(idx)
xa_sample_ipt = batch[0]
a_sample_ipt = batch[1]
print(a_sample_ipt)
b_sample_ipt_list = [
a_sample_ipt.copy()
for _ in range(n_slide if test_slide else 1)
]
for a in atts:
i = self.att_default.index(a)
b_sample_ipt_list[-1][:, i] = 1 - b_sample_ipt_list[-1][:, i]
b_sample_ipt_list[-1] = data.Celeba.check_attribute_conflict(
b_sample_ipt_list[-1], self.att_default[i],
self.att_default)
x_sample_opt_list = [
xa_sample_ipt,
np.full((1, img_size, img_size // 10, 3), -1.0)
]
raw_a_sample_ipt = a_sample_ipt.copy()
raw_a_sample_ipt = (raw_a_sample_ipt * 2 - 1) * thres_int
for i, b_sample_ipt in enumerate(b_sample_ipt_list):
_b_sample_ipt = (b_sample_ipt * 2 - 1) * thres_int
if not test_slide:
if atts: # i must be 0
for t_att, t_int in zip(atts, att_val):
_b_sample_ipt[...,
atts.index(t_att)] = _b_sample_ipt[
..., atts.index(t_att)] * t_int
if i > 0: # i == 0 is for reconstruction
_b_sample_ipt[..., i -
1] = _b_sample_ipt[..., i - 1] * test_int
x_sample_opt_list.append(
self.sess_GAN.run(self.x_sample,
feed_dict={
self.xa_sample: xa_sample_ipt,
self._b_sample: _b_sample_ipt,
self.raw_b_sample: raw_a_sample_ipt
}))
sample = np.concatenate(x_sample_opt_list, 2)
save_folder = 'sample_testing_multi/' + atts[0]
save_dir = './output/%s/%s' % (256, save_folder)
print(save_dir)
pylib.mkdir(save_dir)
mp.imsave(
'%s/%s_' % (save_dir, name_list[idx]) + str(att_val[0]) +
'.png', (sample.squeeze(0) + 1.0) / 2.0)
print('%s/%s_' % (save_dir, name_list[idx]) + str(att_val[0]) +
'.png' + ' is done!')
sess_1.close()
py.arg('--beta_1', type=float, default=0.5)
py.arg('--n_d', type=int, default=1) # # d updates per g update
py.arg('--z_dim', type=int, default=128)
py.arg('--adversarial_loss_mode', default='gan', choices=['gan', 'hinge_v1', 'hinge_v2', 'lsgan', 'wgan'])
py.arg('--gradient_penalty_mode', default='none', choices=['none', 'dragan', 'wgan-gp'])
py.arg('--gradient_penalty_weight', type=float, default=10.0)
py.arg('--experiment_name', default='none')
args = py.args()
# output_dir
if args.experiment_name == 'none':
args.experiment_name = '%s_%s' % (args.dataset, args.adversarial_loss_mode)
if args.gradient_penalty_mode != 'none':
args.experiment_name += '_%s' % args.gradient_penalty_mode
output_dir = py.join('output', '%s_BN%d_DPG%d' % (args.experiment_name, args.batch_size, args.n_d ) )
py.mkdir(output_dir)
# save settings
py.args_to_yaml(py.join(output_dir, 'settings.yml'), args)
# ==============================================================================
# = data and model =
# ==============================================================================
# setup dataset
if args.dataset in ['cifar10', 'fashion_mnist', 'mnist']: # 32x32
dataset, shape, len_dataset = data.make_32x32_dataset(args.dataset, args.batch_size)
n_G_upsamplings = n_D_downsamplings = 3
elif args.dataset == 'celeba': # 64x64
use_gpu = torch.cuda.is_available()
device = torch.device("cuda" if use_gpu else "cpu")
torch.manual_seed(0)
if args.dataset in ['cifar10', 'fashion_mnist', 'mnist', 'imagenet']: # 32x32
output_channels = 3
n_G_upsamplings = n_D_downsamplings = 3
for experiment in experiment_names:
output_dir = py.join('output_new', 'output', experiment)
G = module.ConvGenerator(args.z_dim,
output_channels,
n_upsamplings=n_G_upsamplings).to(device)
# load checkpoint if exists
ckpt_dir = py.join(output_dir, 'checkpoints', args.checkpoint_name)
out_dir = py.join(output_dir, args.output_dir)
py.mkdir(ckpt_dir)
py.mkdir(out_dir)
ckpt = torchlib.load_checkpoint(ckpt_dir)
G.load_state_dict(ckpt['G'])
for i in range(args.num_samples):
z = torch.randn(args.batch_size, args.z_dim, 1, 1).to(device)
x_fake = G(z).detach()
x_fake = np.transpose(x_fake.data.cpu().numpy(), (0, 2, 3, 1))
img = im.immerge(x_fake, n_rows=1).squeeze()
im.imwrite(img, py.join(out_dir, 'img-%d.jpg' % i))
print(py.join(out_dir, 'img-%d.jpg' % i))
dec_layers = args.dec_layers
dis_layers = args.dis_layers
# training
epoch = args.epoch
batch_size = args.batch_size
lr_base = args.lr
n_d = args.n_d
b_distribution = args.b_distribution
thres_int = args.thres_int
test_int = args.test_int
n_sample = args.n_sample
# others
use_cropped_img = args.use_cropped_img
experiment_name = args.experiment_name
pylib.mkdir('./output/%s' % experiment_name)
with open('./output/%s/setting.txt' % experiment_name, 'w') as f:
f.write(json.dumps(vars(args), indent=4, separators=(',', ':')))
# ==============================================================================
# = graphs =
# ==============================================================================
# data
sess = tl.session()
tr_data = data.Celeba('./data', atts, img_size, batch_size, part='train', sess=sess, crop=not use_cropped_img)
val_data = data.Celeba('./data', atts, img_size, n_sample, part='val', shuffle=False, sess=sess, crop=not use_cropped_img)
# models
Genc = partial(models.Genc, dim=enc_dim, n_layers=enc_layers)
np.full((1, img_size, img_size // 10, 3), -1.0)
]
for i, b_sample_ipt in enumerate(b_sample_ipt_list):
_b_sample_ipt = (b_sample_ipt * 2 - 1) * thres_int
if i > 0: # i == 0 is for reconstruction
_b_sample_ipt[...,
i - 1] = _b_sample_ipt[..., i -
1] * test_int / thres_int
x_sample_opt_list.append(
sess.run(x_sample,
feed_dict={
xa_sample: xa_sample_ipt,
_b_sample: _b_sample_ipt
}))
sample = np.concatenate(x_sample_opt_list, 2)
# print(x_sample)
save_dir = 'test/test_results'
pylib.mkdir(save_dir)
im.imwrite(sample.squeeze(0),
'%s/%s' % (save_dir, te_data.name_list[idx]))
print('%s done!' % (te_data.name_list[idx]))
os.remove('test/' + te_data.name_list[idx][:-4] + '_' +
te_data.name_list[idx][-4:])
except:
traceback.print_exc()
finally:
sess.close()
py.arg(
'--dataset',
default='fashion_mnist',
choices=['cifar10', 'fashion_mnist', 'mnist', 'celeba', 'anime', 'custom'])
py.arg('--out_dir', required=True)
py.arg('--num_samples_per_class', type=int, required=True)
py.arg('--batch_size', type=int, default=1)
py.arg('--num', type=int, default=-1)
py.arg('--output_dir', type=str, default='generated_imgs')
args = py.args()
use_gpu = torch.cuda.is_available()
device = torch.device("cuda" if use_gpu else "cpu")
py.mkdir(args.out_dir)
transform = transforms.Compose([
transforms.ToTensor(),
transforms.Normalize(mean=[0.5, 0.5, 0.5], std=[0.5, 0.5, 0.5])
])
img_paths = 'data/imagenet_small/train'
data_loader, shape = data.make_custom_dataset(img_paths,
1,
resize=32,
pin_memory=use_gpu)
num_samples = args.num_samples_per_class
out_path = py.join(args.out_dir, args.output_dir)
os.makedirs(out_path, exist_ok=True)
# session
sess = tl.session()
# initialize iterator
sess.run(train_init_op,
feed_dict={
x_data: target_data,
y_data: target_train_labels
})
# saver
saver = tf.train.Saver(max_to_keep=1)
# initialization
ckpt_dir = './output/%s/checkpoints' % experiment_name
pylib.mkdir(ckpt_dir)
sess.run(tf.global_variables_initializer())
# train
overall_it = 0
try:
for ep in range(n_epochs):
for it in range(iters_per_epoch):
overall_it += 1
# train classifier
_ = sess.run(step, feed_dict={is_training: True})
# display
if (it + 1) % 10 == 0:
batch_acc = sess.run(accuracy, feed_dict={is_training: False})
print(
"Epoch: (%3d/%5d) iteration: (%5d/%5d) lr: %.6f train batch accuracy: %.3f"
def traversal_graph():
# ======================================
# = graph =
# ======================================
if not os.path.exists(py.join(output_dir, 'generator.pb')):
# model
G_test = functools.partial(
module.G(scope='G_test'),
n_channels=args.n_channels,
use_gram_schmidt=args.g_loss_weight_orth_loss == 0,
training=False)
# placeholders & inputs
zs = [
tf.placeholder(dtype=tf.float32, shape=[args.n_traversal, z_dim])
for z_dim in args.z_dims
]
eps = tf.placeholder(dtype=tf.float32,
shape=[args.n_traversal, args.eps_dim])
# generate
x_f = G_test(zs, eps, training=False)
L = tl.tensors_filter(G_test.func.variables, 'L')
else:
# load freezed model
with tf.gfile.GFile(py.join(output_dir, 'generator.pb'), 'rb') as f:
graph_def = tf.GraphDef()
graph_def.ParseFromString(f.read())
tf.import_graph_def(graph_def, name='generator')
# placeholders & inputs
zs = [
sess.graph.get_tensor_by_name('generator/z_%d:0' % i)
for i in range(len(args.z_dims))
]
eps = sess.graph.get_tensor_by_name('generator/eps:0')
# sample graph
x_f = sess.graph.get_tensor_by_name('generator/x_f:0')
L = [
sess.graph.get_tensor_by_name('generator/L_%d:0' % i)
for i in range(len(args.z_dims))
]
# ======================================
# = run function =
# ======================================
save_dir = './output/%s/samples_testing/traversal/all_dims/traversal_%d_%.2f' % (
args.experiment_name, args.n_traversal_point,
args.truncation_threshold)
py.mkdir(save_dir)
def run():
zs_ipt_fixed = [
scipy.stats.truncnorm.rvs(-args.truncation_threshold,
args.truncation_threshold,
size=[args.n_traversal, z_dim])
for z_dim in args.z_dims
]
eps_ipt = scipy.stats.truncnorm.rvs(
-args.truncation_threshold,
args.truncation_threshold,
size=[args.n_traversal, args.eps_dim])
left = -4.5
right = 4.5
for layer_idx in range(len(args.z_dims)):
for eigen_idx in range(args.z_dims[layer_idx]):
L_opt = sess.run(L)
l = layer_idx
j = eigen_idx
i = np.argsort(np.abs(L_opt[l]))[::-1][j]
x_f_opts = []
vals = np.linspace(left, right, args.n_traversal_point)
for v in vals:
zs_ipt = copy.deepcopy(zs_ipt_fixed)
zs_ipt[l][:, i] = v
feed_dict = {z: z_ipt for z, z_ipt in zip(zs, zs_ipt)}
feed_dict.update({eps: eps_ipt})
x_f_opt = sess.run(x_f, feed_dict=feed_dict)
x_f_opts.append(x_f_opt)
sample = np.concatenate(x_f_opts, axis=2)
for ii in range(args.n_traversal):
im.imwrite(
sample[ii], '%s/%04d_%d-%d-%.3f-%d.jpg' %
(save_dir, ii, l, j, np.abs(L_opt[l][i]), i))
return run
mode = args.mode
epoch = args.epoch
batch_size = args.batch_size
lr_base = args.lr
n_d = args.n_d
b_distribution = args.b_distribution
thres_int = args.thres_int
test_int = args.test_int
n_sample = args.n_sample
# others
use_cropped_img = args.use_cropped_img
experiment_name = args.experiment_name
experiment_dir = args.experiment_dir
pylib.mkdir('./' + experiment_dir + '/%s' % experiment_name)
with open('./' + experiment_dir + '/%s/setting.txt' % experiment_name,
'w') as f:
f.write(json.dumps(vars(args), indent=4, separators=(',', ':')))
# ==============================================================================
# = graphs =
# ==============================================================================
# data
# added for memory allocation Qing
config = tf.ConfigProto()
config.gpu_options.allow_growth = True
sess = tf.Session(config=config)
def __init__(
self,
epochs=200,
epoch_decay=100,
pool_size=50,
output_dir='output',
datasets_dir="datasets",
dataset="drawing",
image_ext="png",
crop_size=256,
load_size=286,
batch_size=0,
adversarial_loss_mode="lsgan", # ['gan', 'hinge_v1', 'hinge_v2', 'lsgan', 'wgan']
lr=0.0002,
gradient_penalty_mode='none', # ['none', 'dragan', 'wgan-gp'])
gradient_penalty_weight=10.0,
cycle_loss_weight=0.0,
identity_loss_weight=0.0,
beta_1=0.5,
color_depth=1,
progrssive=False):
logging.config.fileConfig(fname='log.conf')
self.logger = logging.getLogger('dev')
if batch_size == 0:
batch_size = 1 # later figure out what to do
epoch_decay = min(epoch_decay, epochs // 2)
self.output_dataset_dir = py.join(output_dir, dataset)
py.mkdir(self.output_dataset_dir)
py.args_to_yaml(
py.join(self.output_dataset_dir, 'settings.yml'),
Namespace(
epochs=epochs,
epoch_decay=epoch_decay,
pool_size=pool_size,
output_dir=output_dir,
datasets_dir=datasets_dir,
dataset=dataset,
image_ext=image_ext,
crop_size=crop_size,
load_size=load_size,
batch_size=batch_size,
adversarial_loss_mode=
adversarial_loss_mode, # ['gan', 'hinge_v1', 'hinge_v2', 'lsgan', 'wgan']
lr=lr,
gradient_penalty_mode=
gradient_penalty_mode, # ['none', 'dragan', 'wgan-gp'])
gradient_penalty_weight=gradient_penalty_weight,
cycle_loss_weight=cycle_loss_weight,
identity_loss_weight=identity_loss_weight,
beta_1=beta_1,
color_depth=color_depth,
progressive=progrssive))
self.sample_dir = py.join(self.output_dataset_dir, 'samples_training')
py.mkdir(self.sample_dir)
self.epochs = epochs
self.epoch_decay = epoch_decay
self.pool_size = pool_size
self.gradient_penalty_mode = gradient_penalty_mode
self.gradient_penalty_weight = gradient_penalty_weight
self.cycle_loss_weight = cycle_loss_weight
self.identity_loss_weight = identity_loss_weight
self.color_depth = color_depth
self.adversarial_loss_mode = adversarial_loss_mode
self.batch_size = batch_size
self.beta_1 = beta_1
self.color_depth = color_depth
self.dataset = dataset
self.datasets_dir = datasets_dir
self.image_ext = image_ext
self.progrssive = progrssive
self.lr = lr
self.crop_size = crop_size
self.load_size = load_size
self.A_img_paths = py.glob(py.join(datasets_dir, dataset, 'trainA'),
'*.{}'.format(image_ext))
self.B_img_paths = py.glob(py.join(datasets_dir, dataset, 'trainB'),
'*.{}'.format(image_ext))
# summary
self.train_summary_writer = tf.summary.create_file_writer(
py.join(self.output_dataset_dir, 'summaries', 'train'))
max_to_keep=1)
try: # restore checkpoint including the epoch counter
checkpoint.restore().assert_existing_objects_matched()
except Exception as e:
print(e)
# summary
train_summary_writer = tf.summary.create_file_writer(
py.join(output_dir, 'summaries', 'train'))
# sample
test_iter = iter(
A_B_dataset_test
) ##----------------------------------->>>>><<<<<<<<<>>>>>>>>>>><<<<<<<<<<<>>>>>>>>>>>
sample_dir = py.join(output_dir, 'samples_training')
py.mkdir(sample_dir)
# main loop
with train_summary_writer.as_default():
for ep in tqdm.trange(args.epochs, desc='Epoch Loop'):
if ep < ep_cnt:
continue
# update epoch counter
ep_cnt.assign_add(1)
# train for an epoch
for A, B in tqdm.tqdm(A_B_dataset,
desc='Inner Epoch Loop',
total=len_dataset,
position=0):
default='gan',
choices=['gan', 'hinge_v1', 'hinge_v2', 'lsgan', 'wgan'])
py.arg('--gradient_penalty_mode',
default='none',
choices=['none', 'dragan', 'wgan-gp'])
py.arg('--gradient_penalty_weight', type=float, default=10.0)
py.arg('--experiment_name', default='none')
args = py.args()
# output_dir
if args.experiment_name == 'none':
args.experiment_name = '%s_%s' % (args.dataset, args.adversarial_loss_mode)
if args.gradient_penalty_mode != 'none':
args.experiment_name += '_%s' % args.gradient_penalty_mode
output_dir = py.join('output', args.experiment_name)
py.mkdir(output_dir)
# save settings
py.args_to_yaml(py.join(output_dir, 'settings.yml'), args)
# ==============================================================================
# = data and model =
# ==============================================================================
# setup dataset
if args.dataset in ['cifar10', 'fashion_mnist', 'mnist']: # 32x32
dataset, shape, len_dataset = data.make_32x32_dataset(
args.dataset, args.batch_size)
n_G_upsamplings = n_D_downsamplings = 3
elif args.dataset == 'celeba': # 64x64
py.arg('--beta_1', type=float, default=0.5)
py.arg('--n_d', type=int, default=1) # # d updates per g update
py.arg('--z_dim', type=int, default=128)
py.arg('--adversarial_loss_mode', default='gan', choices=['gan', 'hinge_v1', 'hinge_v2', 'lsgan', 'wgan'])
py.arg('--gradient_penalty_mode', default='none', choices=['none', 'dragan', 'wgan-gp'])
py.arg('--gradient_penalty_weight', type=float, default=10.0)
py.arg('--experiment_name', default='none')
args = py.args()
# output_dir
if args.experiment_name == 'none':
args.experiment_name = '%s_%s' % (args.dataset, args.adversarial_loss_mode)
if args.gradient_penalty_mode != 'none':
args.experiment_name += '_%s' % args.gradient_penalty_mode
output_dir = py.join('output', args.experiment_name)
py.mkdir(output_dir)
# save settings
py.args_to_yaml(py.join(output_dir, 'settings.yml'), args)
# ==============================================================================
# = data and model =
# ==============================================================================
# setup dataset
if args.dataset in ['cifar10', 'fashion_mnist', 'mnist']: # 32x32
dataset, shape, len_dataset = data.make_32x32_dataset(args.dataset, args.batch_size)
n_G_upsamplings = n_D_downsamplings = 3
elif args.dataset == 'celeba': # 64x64
'gp': gp.data.cpu().numpy()}
@torch.no_grad()
def sample(z):
G.eval()
return G(z)
# ==============================================================================
# = run =
# ==============================================================================
# load checkpoint if exists
ckpt_dir = py.join(output_dir, 'checkpoints')
py.mkdir(ckpt_dir)
try:
ckpt = torchlib.load_checkpoint(py.join(ckpt_dir, 'Last.ckpt'))
ep, it_d, it_g = ckpt['ep'], ckpt['it_d'], ckpt['it_g']
D.load_state_dict(ckpt['D'])
G.load_state_dict(ckpt['G'])
D_optimizer.load_state_dict(ckpt['D_optimizer'])
G_optimizer.load_state_dict(ckpt['G_optimizer'])
print('loading was successful. Starting at epoch: ', ep)
except Exception as e:
print(e)
ep, it_d, it_g = 0, 0, 0
# sample
sample_dir = py.join(output_dir, 'samples_training')
py.mkdir(sample_dir)
def train_CycleGAN():
import logGPU_RAM
# summary
train_summary_writer = tf.summary.create_file_writer(
py.join(output_dir, 'summaries', 'train'))
logGPU_RAM.init_gpu_writers(py.join(output_dir, 'summaries', 'GPUs'))
# sample
test_iter = iter(A_B_dataset_test)
sample_dir = py.join(output_dir, 'samples_training')
py.mkdir(sample_dir)
test_sample = next(test_iter)
# timeing
import time
start_time = time.time()
# main loop
with train_summary_writer.as_default():
for ep in tqdm.trange(args.epochs, desc='Epoch Loop'):
if ep < ep_cnt:
continue
# update epoch counter
ep_cnt.assign_add(1)
# train for an epoch
for A, B in tqdm.tqdm(A_B_dataset,
desc='Inner Epoch Loop',
total=len_dataset):
G_loss_dict, D_loss_dict = train_step(A, B)
iteration = G_optimizer.iterations.numpy()
# # summary
tl.summary(G_loss_dict, step=iteration, name='G_losses')
tl.summary(D_loss_dict, step=iteration, name='D_losses')
tl.summary(
{'learning rate': G_lr_scheduler.current_learning_rate},
step=iteration,
name='learning rate')
tl.summary(
{'second since start': np.array(time.time() - start_time)},
step=iteration,
name='second_Per_Iteration')
logGPU_RAM.log_gpu_memory_to_tensorboard()
# sample
if iteration % 1000 == 0:
A, B = next(test_iter)
A2B, B2A, A2B2A, B2A2B = sample(A, B)
img = im.immerge(np.concatenate(
[A, A2B, A2B2A, B, B2A, B2A2B], axis=0),
n_rows=2)
im.imwrite(
img,
py.join(sample_dir,
'iter-%09d-sample-test-random.jpg' %
iteration))
if iteration % 100 == 0:
A, B = test_sample
A2B, B2A, A2B2A, B2A2B = sample(A, B)
img = im.immerge(np.concatenate(
[A, A2B, A2B2A, B, B2A, B2A2B], axis=0),
n_rows=2)
im.imwrite(
img,
py.join(
sample_dir,
'iter-%09d-sample-test-specific.jpg' % iteration))
# save checkpoint
checkpoint.save(ep)
This scripts produces the TSNE plots appearing in Section 4.2 of the manuscript
"""
import os
import numpy as np
from sklearn.manifold import TSNE
import matplotlib.pyplot as plt
import pylib
import scatterHist as sh
experiment_name = [x[0] for x in os.walk('./output')]
experiment_name = experiment_name[1].split('/')[2]
calibrated_data_dir = './output/%s/calibrated_data' % experiment_name
plots_dir = './output/%s/tsne_plots' % experiment_name
pylib.mkdir(plots_dir)
# load data
source_train_data = np.loadtxt(calibrated_data_dir + '/source_train_data.csv',
delimiter=',')
target_train_data = np.loadtxt(calibrated_data_dir + '/target_train_data.csv',
delimiter=',')
calibrated_source_train_data = np.loadtxt(calibrated_data_dir +
'/calibrated_source_train_data.csv',
delimiter=',')
reconstructed_target_train_data = np.loadtxt(
calibrated_data_dir + '/reconstructed_target_train_data.csv',
delimiter=',')
n_s = source_train_data.shape[0]
n_t = target_train_data.shape[0]
def sample_graph():
# ======================================
# = graph =
# ======================================
if not os.path.exists(py.join(output_dir, 'generator.pb')):
# model
Genc, Gdec, _ = module.get_model(args.model,
n_atts,
weight_decay=args.weight_decay)
# placeholders & inputs
xa = tf.placeholder(tf.float32,
shape=[None, args.crop_size, args.crop_size, 3])
b_ = tf.placeholder(tf.float32, shape=[None, n_atts])
# sample graph
x = Gdec(Genc(xa, training=False), b_, training=False)
else:
# load freezed model
with tf.gfile.GFile(py.join(output_dir, 'generator.pb'), 'rb') as f:
graph_def = tf.GraphDef()
graph_def.ParseFromString(f.read())
tf.import_graph_def(graph_def, name='generator')
# placeholders & inputs
xa = sess.graph.get_tensor_by_name('generator/xa:0')
b_ = sess.graph.get_tensor_by_name('generator/b_:0')
# sample graph
x = sess.graph.get_tensor_by_name('generator/xb:0')
# ======================================
# = run function =
# ======================================
save_dir = '%s/output/%s/samples_testing_%s' % (
args.flask_path, args.experiment_name, '{:g}'.format(args.test_int))
py.mkdir(save_dir)
def run():
cnt = 0
for _ in tqdm.trange(len_test_dataset):
# data for sampling
xa_ipt, a_ipt = sess.run(test_iter.get_next())
b_ipt_list = [a_ipt] # the first is for reconstruction
for i in range(n_atts):
tmp = np.array(a_ipt, copy=True)
tmp[:, i] = 1 - tmp[:, i] # inverse attribute
tmp = data.check_attribute_conflict(tmp, args.att_names[i],
args.att_names)
b_ipt_list.append(tmp)
x_opt_list = [xa_ipt]
for i, b_ipt in enumerate(b_ipt_list):
b__ipt = (b_ipt * 2 - 1).astype(np.float32) # !!!
if i > 0: # i == 0 is for reconstruction
b__ipt[..., i - 1] = b__ipt[..., i - 1] * args.test_int
x_opt = sess.run(x, feed_dict={xa: xa_ipt, b_: b__ipt})
x_opt_list.append(x_opt)
sample = np.transpose(x_opt_list, (1, 2, 0, 3, 4))
sample = np.reshape(sample, (sample.shape[0], -1, sample.shape[2] *
sample.shape[3], sample.shape[4]))
for s in sample:
cnt += 1
im.imwrite(s, '%s/%d.jpg' % (save_dir, cnt))
return run
def sample_graph():
# ======================================
# = graph =
# ======================================
if not os.path.exists(py.join(output_dir, 'generator.pb')):
# model
G = functools.partial(module.PAGANG(), dim=args.dim, weight_decay=args.weight_decay)
# placeholders & inputs
xa = tf.placeholder(tf.float32, shape=[None, args.crop_size, args.crop_size, 3])
a_ = tf.placeholder(tf.float32, shape=[None, n_atts])
b_ = tf.placeholder(tf.float32, shape=[None, n_atts])
# sample graph
x, e, ms, _ = G(xa, b_ - a_, training=False)
else:
# load freezed model
with tf.gfile.GFile(py.join(output_dir, 'generator.pb'), 'rb') as f:
graph_def = tf.GraphDef()
graph_def.ParseFromString(f.read())
tf.import_graph_def(graph_def, name='generator')
# placeholders & inputs
xa = sess.graph.get_tensor_by_name('generator/xa:0')
a_ = sess.graph.get_tensor_by_name('generator/a_:0')
b_ = sess.graph.get_tensor_by_name('generator/b_:0')
# sample graph
x = sess.graph.get_tensor_by_name('generator/xb:0')
e = sess.graph.get_tensor_by_name('generator/e:0')
ms = sess.graph.get_operation_by_name('generator/ms').outputs
# ======================================
# = run function =
# ======================================
if args.with_mask:
save_dir = './output/%s/samples_testing_multi_with_mask' % args.experiment_name
else:
save_dir = './output/%s/samples_testing_multi' % args.experiment_name
tmp = ''
for test_att_name, test_int in zip(args.test_att_names, args.test_ints):
tmp += '_%s_%s' % (test_att_name, '{:g}'.format(test_int))
save_dir = py.join(save_dir, tmp[1:])
py.mkdir(save_dir)
def run():
cnt = 0
for _ in tqdm.trange(len_test_dataset):
# data for sampling
xa_ipt, a_ipt = sess.run(test_iter.get_next())
b_ipt = np.copy(a_ipt)
for test_att_name in args.test_att_names:
i = args.att_names.index(test_att_name)
b_ipt[..., i] = 1 - b_ipt[..., i]
b_ipt = data.check_attribute_conflict(b_ipt, test_att_name, args.att_names)
a__ipt = a_ipt * 2 - 1
b__ipt = (b_ipt * 2 - 1).astype(np.float32) # !!!
for test_att_name, test_int in zip(args.test_att_names, args.test_ints):
i = args.att_names.index(test_att_name)
b__ipt[..., i] = b__ipt[..., i] * test_int
x_opt_list = [xa_ipt]
e_opt_list = [np.full_like(xa_ipt, -1.0)]
ms_opt_list = []
x_opt, e_opt, ms_opt = sess.run([x, e, ms], feed_dict={xa: xa_ipt, a_: a__ipt, b_: b__ipt})
x_opt_list.append(x_opt)
e_opt_list.append(e_opt)
ms_opt_list.append(ms_opt)
if args.with_mask:
# resize all masks to the same size
for ms_opt in ms_opt_list: # attribute axis
for i, m_opt in enumerate(ms_opt): # mask level axis
m_opt_resized = []
for m_j_opt in m_opt: # batch axis
m_opt_resized.append(im.imresize(m_j_opt * 2 - 1, (args.crop_size, args.crop_size)))
ms_opt[i] = np.concatenate([np.array(m_opt_resized)] * 3, axis=-1)
ms_opt_list = [np.full_like(ms_opt_list[0], -1.0)] + ms_opt_list
ms_opt_list = list(np.transpose(ms_opt_list, (1, 0, 2, 3, 4, 5)))[::-1]
sample_m = np.transpose([x_opt_list, e_opt_list] + ms_opt_list, (2, 0, 3, 1, 4, 5))
else:
sample_m = np.transpose([x_opt_list], (2, 0, 3, 1, 4, 5))
sample_m = np.reshape(sample_m, (sample_m.shape[0], -1, sample_m.shape[3] * sample_m.shape[4], sample_m.shape[5]))
for s in sample_m:
cnt += 1
im.imwrite(s, '%s/%d.jpg' % (save_dir, cnt))
return run
def sample_graph():
# ======================================
# = graph =
# ======================================
test_next = test_iter.get_next()
if not os.path.exists(py.join(output_dir, 'generator.pb')):
# model
Genc, Gdec, _ = module.get_model(args.model,
n_atts,
weight_decay=args.weight_decay)
# placeholders & inputs
xa = tf.placeholder(tf.float32,
shape=[None, args.crop_size, args.crop_size, 3])
b_ = tf.placeholder(tf.float32, shape=[None, n_atts])
# sample graph
x = Gdec(Genc(xa, training=False), b_, training=False)
else:
# load freezed model
with tf.gfile.GFile(py.join(output_dir, 'generator.pb'), 'rb') as f:
graph_def = tf.GraphDef()
graph_def.ParseFromString(f.read())
tf.import_graph_def(graph_def, name='generator')
# placeholders & inputs
xa = sess.graph.get_tensor_by_name('generator/xa:0')
b_ = sess.graph.get_tensor_by_name('generator/b_:0')
# sample graph
x = sess.graph.get_tensor_by_name('generator/xb:0')
# ======================================
# = run function =
# ======================================
save_dir = './output/%s/samples_testing_multi' % args.experiment_name
tmp = ''
for test_att_name, test_int in zip(args.test_att_names, args.test_ints):
tmp += '_%s_%s' % (test_att_name, '{:g}'.format(test_int))
save_dir = py.join(save_dir, tmp[1:])
py.mkdir(save_dir)
def run():
cnt = 0
for _ in tqdm.trange(len_test_dataset):
# data for sampling
xa_ipt, a_ipt = sess.run(test_next)
b_ipt = np.copy(a_ipt)
for test_att_name in args.test_att_names:
i = args.att_names.index(test_att_name)
b_ipt[..., i] = 1 - b_ipt[..., i]
b_ipt = data.check_attribute_conflict(b_ipt, test_att_name,
args.att_names)
b__ipt = (b_ipt * 2 - 1).astype(np.float32) # !!!
for test_att_name, test_int in zip(args.test_att_names,
args.test_ints):
i = args.att_names.index(test_att_name)
b__ipt[..., i] = b__ipt[..., i] * test_int
x_opt_list = [xa_ipt]
x_opt = sess.run(x, feed_dict={xa: xa_ipt, b_: b__ipt})
x_opt_list.append(x_opt)
sample = np.transpose(x_opt_list, (1, 2, 0, 3, 4))
sample = np.reshape(sample, (sample.shape[0], -1, sample.shape[2] *
sample.shape[3], sample.shape[4]))
for s in sample:
cnt += 1
im.imwrite(s, '%s/%d.jpg' % (save_dir, cnt))
return run
def sample_graph():
# ======================================
# = graph =
# ======================================
# placeholders & inputs
xa = tf.placeholder(tf.float32,
shape=[None, args.crop_size, args.crop_size, 3])
a_ = tf.placeholder(tf.float32, shape=[None, n_atts])
b_ = tf.placeholder(tf.float32, shape=[None, n_atts])
# sample graph
x, e, ms, _ = G(xa, b_ - a_, training=False)
# ======================================
# = run function =
# ======================================
save_dir = './output/%s/samples_training' % args.experiment_name
py.mkdir(save_dir)
def run(epoch, iter):
# data for sampling
xa_ipt, a_ipt = sess.run(val_iter.get_next())
b_ipt_list = [a_ipt] # the first is for reconstruction
for i in range(n_atts):
tmp = np.array(a_ipt, copy=True)
tmp[:, i] = 1 - tmp[:, i] # inverse attribute
tmp = data.check_attribute_conflict(tmp, args.att_names[i],
args.att_names)
b_ipt_list.append(tmp)
x_opt_list = [xa_ipt]
e_opt_list = [np.full_like(xa_ipt, -1.0)]
ms_opt_list = []
a__ipt = a_ipt * 2 - 1
for i, b_ipt in enumerate(b_ipt_list):
b__ipt = (b_ipt * 2 - 1).astype(np.float32) # !!!
if i > 0: # i == 0 is for reconstruction
b__ipt[..., i - 1] = b__ipt[..., i - 1] * args.test_int
x_opt, e_opt, ms_opt = sess.run([x, e, ms],
feed_dict={
xa: xa_ipt,
a_: a__ipt,
b_: b__ipt
})
x_opt_list.append(x_opt)
e_opt_list.append(e_opt)
ms_opt_list.append(ms_opt)
# save sample
sample = np.transpose(x_opt_list, (1, 2, 0, 3, 4))
sample = np.reshape(
sample, (-1, sample.shape[2] * sample.shape[3], sample.shape[4]))
# resize all masks to the same size
for ms_opt in ms_opt_list: # attribute axis
for i, m_opt in enumerate(ms_opt): # mask level axis
m_opt_resized = []
for m_j_opt in m_opt: # batch axis
m_opt_resized.append(
im.imresize(m_j_opt * 2 - 1,
(args.crop_size, args.crop_size)))
ms_opt[i] = np.concatenate([np.array(m_opt_resized)] * 3,
axis=-1)
ms_opt_list = [np.full_like(ms_opt_list[0], -1.0)] + ms_opt_list
ms_opt_list = list(np.transpose(ms_opt_list, (1, 0, 2, 3, 4, 5)))[::-1]
sample_m = np.transpose([x_opt_list, e_opt_list] + ms_opt_list,
(2, 0, 3, 1, 4, 5))
sample_m = np.reshape(
sample_m,
(-1, sample_m.shape[3] * sample_m.shape[4], sample_m.shape[5]))
im.imwrite(np.concatenate((sample, sample_m)),
'%s/Epoch-%d_Iter-%d.jpg' % (save_dir, epoch, iter))
return run