def load_data(train_idx: NpArray, val_idx: NpArray) -> \
Tuple[NpArray, NpArray, NpArray, NpArray, NpArray, Any, List[int]]:
""" Loads all data. Returns: x_train, y_train, x_val, y_val, x_test,
label_binarizer, clips_per_sample """
train_df = pd.read_csv("../data/train.csv", index_col="fname")
train_cache = "../output/train_cache_v%02x.pkl" % DATA_VERSION
test_cache = "../output/test_cache_v%02x.pkl" % DATA_VERSION
print("reading train dataset")
if os.path.exists(train_cache):
x = pickle.load(open(train_cache, "rb"))
else:
train_files = find_files("../data/audio_train/")
print("len(train_files)", len(train_files))
x = load_dataset(train_files)
pickle.dump(x, open(train_cache, "wb"))
# get whatever data metrics we need
label_binarizer = LabelBinarizer()
label_binarizer.fit(train_df["label"])
x_train, y_train = build_train_dataset(x, train_df["label"], train_idx)
x_val, y_val = build_train_dataset(x, train_df["label"], val_idx)
print("reading test dataset")
if os.path.exists(test_cache):
x_test = pickle.load(open(test_cache, "rb"))
else:
test_files = find_files("../data/audio_test/")
print("len(test_files)", len(test_files))
x_test = load_dataset(test_files)
pickle.dump(x_test, open(test_cache, "wb"))
x_test, clips_per_sample = build_test_dataset(x_test)
x_joined = np.concatenate([x_train, x_val])
mean, std = np.mean(x_joined), np.std(x_joined)
x_train = (x_train - mean) / std
x_val = (x_val - mean) / std
x_test = (x_test - mean) / std
y_train = label_binarizer.transform(y_train)
y_val = label_binarizer.transform(y_val)
x_train = np.expand_dims(x_train, -1)
x_val = np.expand_dims(x_val, -1)
x_test = np.expand_dims(x_test, -1)
x_train = x_train[:, :MAX_MFCC, ...]
x_val = x_val[:, :MAX_MFCC, ...]
x_test = x_test[:, :MAX_MFCC, ...]
print("x_train.shape", x_train.shape, "y_train.shape", y_train.shape)
print("x_val.shape", x_val.shape, "y_val.shape", y_val.shape)
return x_train, y_train, x_val, y_val, x_test, label_binarizer, clips_per_sample
def q15(never_used_param): n_params = 2 N = 1000 X_train, y_train = load_dataset(N, f, n_params, noise_level=0.1) lr = linreg.LinearRegression() lr.fit(transform(X_train), y_train) X_test, y_test = load_dataset(N, f, n_params, noise_level=0.1) err = np.sum(np.vectorize(sign)(lr.predict(transform(X_test))) != y_test) err_rate = err * 1.0 / N return err_rate
def main():
args = loadArgu()
data.load_dataset(args.dataset) # get two list of train images and test images
down_size = args.imgsize // args.scale
network = EDSR(down_size, args.layers, args.featuresize, args.scale)
network.set_data_fn(data.get_batch, (args.batchsize, args.imgsize, down_size), data.get_test_set,
(args.imgsize, down_size))
network.train(args.iterations, args.savedir)
return 1
def load_data(
) -> Tuple[NpArray, NpArray, NpArray, NpArray, NpArray, List[str], Any]:
""" Loads all data. """
train_df = pd.read_csv("../data/train.csv", index_col="fname")
train_cache = "../output/train_cache_v%02d.pkl" % DATA_VERSION
test_cache = "../output/test_cache_v%02d.pkl" % DATA_VERSION
print("reading train dataset")
train_files = find_files("../data/audio_train/")
print("len(train_files)", len(train_files))
if os.path.exists(train_cache):
x = pickle.load(open(train_cache, "rb"))
else:
x = load_dataset(train_files)
pickle.dump(x, open(train_cache, "wb"))
# get whatever data metrics we need
label_binarizer = LabelBinarizer()
label_binarizer.fit(train_df["label"])
train_idx, val_idx = train_test_split(range(len(x)), test_size=TEST_SIZE)
x_train, y_train = build_train_dataset(x, train_df["label"], train_idx)
x_val, y_val = build_train_dataset(x, train_df["label"], val_idx)
print("reading test dataset")
test_files = find_files("../data/audio_test/")
test_index = [os.path.basename(f) for f in test_files]
if os.path.exists(test_cache):
x_test = pickle.load(open(test_cache, "rb"))
else:
x_test = load_dataset(test_files)
pickle.dump(x_test, open(test_cache, "wb"))
x_test = take_first(x_test)
x_joined = np.concatenate([x_train, x_val])
mean, std = np.mean(x_joined), np.std(x_joined)
x_train = (x_train - mean) / std
x_val = (x_val - mean) / std
x_test = (x_test - mean) / std
y_train = label_binarizer.transform(y_train)
y_val = label_binarizer.transform(y_val)
print("x_train.shape", x_train.shape, "y_train.shape", y_train.shape)
print("x_val.shape", x_val.shape, "y_val.shape", y_val.shape)
return x_train, y_train, x_val, y_val, x_test, test_index, label_binarizer
def __init__(self, config):
self.config = config
dataset = load_dataset(config)
# sq_dataset = load_simple_questions_dataset(config)
(train_data, embed_mat, word_to_id,
id_to_word) = (dataset.train, dataset.embd_mat, dataset.word2idx,
dataset.idx2word)
# self.id_to_word = {i: w for w, i in word_to_id.items()}
self.id_to_word = id_to_word
self.word_to_id = word_to_id
# Generate input
train_input = InputProducer(data=train_data,
word_to_id=word_to_id,
id_to_word=id_to_word,
config=config)
# Build model
self.model = CtrlVAEModel(input_producer=train_input,
embed_mat=embed_mat,
config=config,
is_train=FLAGS.is_train)
# Supervisor & Session
self.sv = tf.train.Supervisor(logdir=FLAGS.model_subdir,
save_model_secs=config.save_model_secs)
gpu_options = tf.GPUOptions(allow_growth=True)
sess_config = tf.ConfigProto(allow_soft_placement=True,
gpu_options=gpu_options)
self.sess = self.sv.PrepareSession(config=sess_config)
def coco_collate_fn(data):
# ########################
# LOAD DATASET
# ########################
corpus, word_to_idx, idx_to_word, train_dataset = load_dataset()
# ########################
# GROUP BATCH
# ########################
data.sort(key=lambda x: len(x["data"]), reverse=True)
captions = [
torch.FloatTensor(string_to_tensor(sentence)) for sentence in data
]
lengths = [len(cap) for cap in captions]
labels = [
torch.FloatTensor([word_to_idx[sentence['target']]])
for sentence in data
]
targets = torch.zeros(len(captions), max(lengths)).long()
for i, cap in enumerate(captions):
end = lengths[i]
targets[i, :end] = cap[:end]
return targets, torch.FloatTensor(labels).long(), lengths
def main(model='cnn', input_var = T.tensor4('inputs'), target_var = T.ivector('targets'), num_epochs=10, lrn_rate=0.00004):
# Load the dataset
print("Loading data...")
X_train, y_train, X_val, y_val, X_test, y_test = load_dataset()
# Prepare Theano variables for inputs and targets
#input_var = T.tensor4('inputs')
#target_var = T.ivector('targets')
# Create neural network model (depending on first command line parameter)
print("Building model and compiling functions...")
if model == 'cnn':
network = build_cnn(input_var)
elif model.startswith('custom_cnn:'):
depth, width, drop_in, drop_hid, box_size = model.split(':', 1)[1].split(',')
print(box_size)
network = build_custom_cnn(input_var, int(depth), int(width),
float(drop_in), float(drop_hid), int(box_size))
else:
print("Unrecognized model type %r." % model)
return
network = train(network, num_epochs, lrn_rate, input_var, target_var, X_train, y_train, X_val, y_val, X_test, y_test)
return network
def train_encoder(mdl, crit, optim, sch, stat):
"""Train REL or EXT model"""
logger.info(f'*** Epoch {stat.epoch} ***')
mdl.train()
it = DataLoader(load_dataset(args.dir_data,
'train'), args.model_type, args.batch_size,
args.max_ntokens_src, spt_ids_B, spt_ids_C, eos_mapping)
for batch in it:
_, logits = mdl(batch)
mask_inp = utils.sequence_mask(batch.src_lens, batch.inp.size(1))
loss = crit(logits, batch.tgt, mask_inp)
loss.backward()
stat.update(loss,
'train',
args.model_type,
logits=logits,
labels=batch.tgt)
torch.nn.utils.clip_grad_norm_(model.parameters(), 5)
optim.step()
if stat.steps == 0:
continue
if stat.steps % args.log_interval == 0:
stat.lr = optim.param_groups[0]['lr']
stat.report()
sch.step(stat.avg_train_loss)
if stat.steps % args.valid_interval == 0:
valid_ret(mdl, crit, optim, stat)
def train(ctx, dataset_fpath, all_data, max_depth, model_fpath, name, test):
if not os.path.isfile(dataset_fpath):
logging.info('No dataset was provided, building with default settings')
data.save_dataset(dataset_fpath)
dataset = data.load_dataset(dataset_fpath, return_arrays=False)
clf = model.REGISTRY[name](max_depth=max_depth)
X_train, y_train = dataset['X_train'], dataset['y_train']
X_test, y_test = dataset['X_test'], dataset['y_test']
if all_data:
X_train = np.concatenate((X_train, X_test), axis=0)
y_train = np.concatenate((y_train, y_test), axis=0)
clf.fit(X_train, y_train)
model.save_model(clf, model_fpath)
acc = clf.score(X_train, y_train)
logging.info("Accuracy on training set: {}".format(acc))
if test:
acc = clf.score(X_test, y_test)
logging.info("Accuracy on the test set: {}".format(acc))
def run_test_evaluation(self, wandb_runid=None):
self.logger.info('running multiwoz evaluation')
self.logger.info('generating responses')
self.model.eval()
dataset = load_dataset('multiwoz-2.1-test', use_goal=True)
dataset = wrap_dataset_with_cache(dataset)
responses, beliefs, gold_responses, delex_responses, delex_gold_responses = \
generate_predictions(self.prediction_pipeline, dataset, 'test-predictions.txt')
evaluator = MultiWozEvaluator(dataset,
is_multiwoz_eval=True,
logger=self.logger)
success, matches, domain_results = evaluator.evaluate(beliefs,
delex_responses,
progressbar=True)
self.logger.info('evaluation finished')
self.logger.info('computing bleu')
bleu = compute_bleu_remove_reference(responses, gold_responses)
delex_bleu = compute_delexicalized_bleu(delex_responses,
delex_gold_responses)
self.logger.info(f'test bleu: {bleu:.4f}')
self.logger.info(f'delex test bleu: {delex_bleu:.4f}')
# We will use external run to run in a separate process
if self.is_master():
run = wandb.run
shutil.copy('test-predictions.txt', run.dir)
else:
api = wandb.Api()
run = api.run(self.wandb_runid)
run.upload_file('test-predictions.txt')
run.summary.update(
dict(test_inform=matches,
test_success=success,
test_bleu=bleu,
test_delex_bleu=delex_bleu))
def classify(vectors, args):
if not os.path.isfile(args.classifydir + '_labels.txt'):
return defaultdict(lambda: 0)
X, Y = read_node_label(args.classifydir + '_labels.txt')
# print("Training classifier using {:.2f}% nodes...".format(args.train_percent * 100))
clf = Classifier(vectors=vectors,
clf=LogisticRegression(solver="lbfgs", max_iter=4000))
# scores = clf.split_train_evaluate(X, Y, args.train_percent)
features, labels, graph, idx_train, idx_val, idx_test = load_dataset(
str(args.classifydir.split("/")[-1]))
# print(idx_train)
# print(type(idx_train))
idx_train = list(idx_train)
# idx_val = list(idx_val)
# idx_val += list(idx_test)[:600]
idx_test = list(idx_test) #[600:]
# for i in idx_val:
# idx_train.append(i)
# idx_val = idx_val[400:]
print("TRAINING SIZE", len(idx_train), "VALIDATION SIZE", len(idx_val),
"TESTING SIZE: ", len(list(idx_test)))
scores = clf.split_train_evaluate_idx(X, Y, idx_train, idx_val)
# scores = clf.split_train_evaluate(X, Y, args.train_percent)
test_scores = clf.split_train_evaluate_idx(X, Y, idx_train, idx_test)
test_x.append(test_scores['macro'])
print("micro:", test_scores['micro'], "macro:", test_scores['macro'])
return scores
def main(args):
# logging
if args.use_wandb:
wandb.init(project="HW5-TextStyleTransfer", config=args)
#wandb.config.update(vars(args))
args = wandb.config
print(args)
train_iters, dev_iters, test_iters, vocab = load_dataset(args)
print('Vocab size:', len(vocab))
model_F = StyleTransformer(args, vocab).to(args.device)
model_D = Discriminator(args, vocab).to(args.device)
print(args.discriminator_method)
if os.path.isfile(args.preload_F):
temp = torch.load(args.preload_F)
model_F.load_state_dict(temp)
if os.path.isfile(args.preload_D):
temp = torch.load(args.preload_D)
model_D.load_state_dict(temp)
if args.do_train:
train(args, vocab, model_F, model_D, train_iters, dev_iters, test_iters)
if args.do_test:
dev_eval(args, vocab, model_F, test_iters, 0.5)
def train():
model = create_model()
model.summary()
model.add(Flatten())
cars, notcars = load_dataset()
print("number of cars: ", len(cars), ", number of notcars: ", len(notcars))
filenames = []
filenames.extend(cars)
filenames.extend(notcars)
X = np.array(read_images(filenames))
Y = np.concatenate([np.ones(len(cars)), np.zeros(len(notcars))])
X_train, X_test, Y_train, Y_test = train_test_split(X,
Y,
test_size=0.2,
random_state=63)
model_file = "model_-{epoch:02d}-{val_loss:.2f}.h5"
cb_checkpoint = ModelCheckpoint(filepath=model_file, verbose=1)
cb_early_stopping = EarlyStopping(patience=2)
optimizer = Adam()
model.compile(loss='mse', optimizer=optimizer, metrics=['accuracy'])
model.fit(X_train,
Y_train,
batch_size=128,
epochs=20,
verbose=2,
validation_data=(X_test, Y_test),
callbacks=[cb_checkpoint, cb_early_stopping])
# Temporary fix - AttributeError: 'NoneType' object has no attribute 'TF_NewStatus
K.clear_session()
def run(audio_db, prepared_dataset=None, new_song=None):
# prepare data
training_set, test_set = load_dataset(audio_db, new_song)
if prepared_dataset:
training_set = pickle.load(prepared_dataset)
shuffle(training_set)
print 'Train set: ' + repr(len(training_set))
print 'Test set: ' + repr(len(test_set))
# generate predictions
predictions = []
if not new_song:
for x in range(len(test_set)):
neighbors = get_neighbors(training_set, test_set[x], K_POINTS)
result = predict(neighbors)
predictions.append(result)
print('> predicted=' + repr(result) + ', actual=' +
repr(test_set[x][-1]))
accuracy = get_accuracy(test_set, predictions) # check accuracy
print 'Accuracy: ' + repr(accuracy)
return dump_best_accuracy(
dataset=training_set, accuracy=accuracy
) # Returns True If accuracy is bigger than threshold else False
else:
neighbors = get_neighbors(training_set, test_set[0], K_POINTS)
return predict(neighbors)
def q14(never_used_param): n_params = 2 N = 1000 X, y = load_dataset(N, f, n_params, noise_level=0.1) lr = linreg.LinearRegression() lr.fit(transform(X), y) return lr.w
def evaluate(args):
paddle.set_device(args.device)
# create dataset.
test_ds = load_dataset(datafiles=(os.path.join(args.data_dir, 'test.tsv')))
word_vocab = load_vocab(os.path.join(args.data_dir, 'word.dic'))
label_vocab = load_vocab(os.path.join(args.data_dir, 'tag.dic'))
# q2b.dic is used to replace DBC case to SBC case
normlize_vocab = load_vocab(os.path.join(args.data_dir, 'q2b.dic'))
trans_func = partial(
convert_example,
max_seq_len=args.max_seq_len,
word_vocab=word_vocab,
label_vocab=label_vocab,
normlize_vocab=normlize_vocab)
test_ds.map(trans_func)
batchify_fn = lambda samples, fn=Tuple(
Pad(axis=0, pad_val=0, dtype='int64'), # word_ids
Stack(dtype='int64'), # length
Pad(axis=0, pad_val=0, dtype='int64'), # label_ids
): fn(samples)
# Create sampler for dataloader
test_sampler = paddle.io.BatchSampler(
dataset=test_ds,
batch_size=args.batch_size,
shuffle=False,
drop_last=False)
test_loader = paddle.io.DataLoader(
dataset=test_ds,
batch_sampler=test_sampler,
return_list=True,
collate_fn=batchify_fn)
# Define the model network and metric evaluator
model = BiGruCrf(args.emb_dim, args.hidden_size,
len(word_vocab), len(label_vocab))
chunk_evaluator = ChunkEvaluator(label_list=label_vocab.keys(), suffix=True)
# Load the model and start predicting
model_dict = paddle.load(args.init_checkpoint)
model.load_dict(model_dict)
model.eval()
chunk_evaluator.reset()
for batch in test_loader:
token_ids, length, labels = batch
preds = model(token_ids, length)
num_infer_chunks, num_label_chunks, num_correct_chunks = chunk_evaluator.compute(
length, preds, labels)
chunk_evaluator.update(num_infer_chunks.numpy(),
num_label_chunks.numpy(),
num_correct_chunks.numpy())
precision, recall, f1_score = chunk_evaluator.accumulate()
print("eval precision: %f, recall: %f, f1: %f" %
(precision, recall, f1_score))
def train_node2vec(dataset_name,
param_return,
param_in_out,
no_rw=5,
length_rw=5):
"""
Trains the node2vec embedding.
:param dataset_name: string for name of dataset
:param param_return: Bias of going back to the old node (p)
:param param_in_out: Bias of moving forward to a new node (q)
:param no_rw: number of random walks, default is 5
:param length_rw: length of random walks, default is 5
:return: the trained embedding matrix
"""
logging.info("Training the node2vec embedding.")
dataset = load_dataset(dataset_name)
# we assume one graph per dataset for this assignment
graph = dataset[0]
number_nodes = graph.number_of_nodes()
# TODO test parameters
early_stopping_callback = tf.keras.callbacks.EarlyStopping(monitor='loss',
patience=2)
logging.info("Computing random walks.")
walks, walks_neg = compute_random_walks(graph, param_return, param_in_out,
no_rw)
logging.info("Compiling model.")
node_input = layers.Input(shape=1, name="input_node")
rw_input = layers.Input(shape=length_rw, name="input_random_walk")
rw_neg_input = layers.Input(shape=length_rw, name="input_negative_sample")
embed_model = get_model([node_input, rw_input, rw_neg_input], number_nodes)
embed_model.compile(optimizer=tf.keras.optimizers.Adam(lr=config.EMBED_LR),
loss=custom_loss)
logging.info("Training.")
node_input = np.asarray(np.arange(number_nodes).tolist() * no_rw)
dummy_labels = np.zeros([number_nodes * no_rw, length_rw, 1],
dtype='float64')
embed_model.fit(
x=[node_input,
walks.astype(np.float64),
walks_neg.astype(np.float64)],
y=dummy_labels,
batch_size=config.EMBED_BATCH_SIZE,
epochs=config.EMBED_EPOCH_MAX,
verbose=2,
callbacks=[early_stopping_callback])
embed_layer = embed_model.get_layer('embedding')
embed_weights = embed_layer.get_weights()[0]
return embed_weights
def load_datasets(months_to_live_start = 1, months_to_live_stop = 15, binarize_categorical = True):
Xs = {}
Ys = {}
for i in xrange(months_to_live_start, months_to_live_stop + 1):
print "Loading dataset for %d months to live" % i
X, Y = data.load_dataset(months_to_live = i, binarize_categorical = binarize_categorical)
Xs[i] = X
Ys[i] = Y
return Xs, Ys
def main():
config = Config()
train_iters, dev_iters, test_iters, vocab = load_dataset(config)
print('Vocab size:', len(vocab))
model_F = StyleTransformer(config, vocab).to(config.device)
model_D = Discriminator(config, vocab).to(config.device)
print(config.discriminator_method)
train(config, vocab, model_F, model_D, train_iters, dev_iters, test_iters)
def q13(never_used_param): n_params = 2 N = 1000 X, y = load_dataset(N, f, n_params, noise_level=0.1) lr = linreg.LinearRegression() lr.fit(X, y) err = np.sum(np.vectorize(sign)(lr.predict(X)) != y) err_rate = err * 1.0 / N return err_rate
def main():
config = Config()
train_iters, dev_iters, test_iters, vocab = load_dataset(config)
print('Vocab size:', len(vocab))
model_F = StyleTransformer(config, vocab).to(config.device)
model_F.load_state_dict(torch.load('./save/Jun11115103/ckpts/9925_F.pth'))
model_D = Discriminator(config, vocab).to(config.device)
print(config.discriminator_method)
train(config, vocab, model_F, model_D, train_iters, dev_iters, test_iters)
def test():
config = Config()
train_iters, dev_iters, test_iters, vocab = load_dataset(config)
step = 125
model_F = StyleTransformer(config, vocab).to(config.device)
model_F.load_state_dict(
torch.load(f'./save/Jun15042756/ckpts/{step}_F.pth'))
auto_eval(config, vocab, model_F, test_iters, 1, step)
def trainModel(num_epochs, embedding):
'''
Trains the attention model for the specified number of epochs
using the specified embedding.
Arguments:
num_epochs: The number of training epochs
embedding: The embedding to use for training
'''
vocab_size, embed_size = embedding.vectors.shape
train_ds = data.load_dataset("data/train.csv", encoding=embedding.key_to_index.get)
train_loader = DataLoader(train_ds, batch_size=10, collate_fn=data.collate, shuffle=True)
test_ds = data.load_dataset("data/test.csv", encoding=embedding.key_to_index.get)
test_loader = DataLoader(test_ds, batch_size=10, collate_fn=data.collate, shuffle=False)
model = md.ConvAttModel(vocab_size=vocab_size, embed_size=embed_size, embedding=embedding.vectors)
md.train(model, train_loader, test_loader, num_epochs)
def main():
import yaml
config = yaml.load(open("const.yaml", "r"), Loader=yaml.BaseLoader)
path, dataset_name = config["data"]["base"], config["data"]["dataset"]
path = download(path, dataset_name)
train_dataset = load_dataset(path,
256,
256,
"train",
jitter=30,
mirror=True)
train_dataset = train_dataset.cache().shuffle(400).batch(40).repeat()
train_dataset = train_dataset.prefetch(
buffer_size=tf.data.experimental.AUTOTUNE)
test_dataset = load_dataset(path, 256, 256, "test")
test_dataset = test_dataset.batch(50)
fit(train_dataset, test_dataset, steps=10, preview=10)
def load_dataset(self, hparams):
dataset = load_dataset(
hparams.train_dataset_folder,
image_size=hparams.image_size,
nb_channels=hparams.nb_channels,
dataset_type=hparams.dataset_type,
)
if hparams.nb_examples is not None:
dataset = Shuffle(dataset)
dataset = SubSet(dataset, hparams.nb_examples)
return dataset
def train(run_start=1):
start_t = time()
print('\nTraining')
writer = SummaryWriter('runs_new/' + RUN_NAME)
# Load data
datasets = load_dataset('all')
s_train = datasets['train']
s_db = datasets['db']
# Load NN
net = Net().double()
# Resume training if not started from 1
if run_start != 1:
net.load()
optimizer = optim.Adam(net.parameters(), lr=1e-3)
loss_sum = 0
for run in range(run_start, RUNS + 1):
# Save state_dict
net.store()
batch = generate_triplet_batch(s_train, s_db, BATCH_SIZE)
results = list()
optimizer.zero_grad()
for i in batch:
results.append(net(i[0].view(1, 3, 64, 64)))
loss = l_triplets(results, batch) + l_pairs(results)
# loss = l_triplets(results) + l_pairs(results)
loss_sum += float(loss)
if (run * BATCH_SIZE) % 100 == 0:
loss_sum = loss_sum / 100
print('Run: ', run * BATCH_SIZE, '\tLoss Average: ', loss_sum)
writer.add_scalar(tag='avg_training_loss',
scalar_value=loss_sum,
global_step=run * BATCH_SIZE)
loss_sum = 0
if (run * BATCH_SIZE) % 10000 == 0:
test(run=run * BATCH_SIZE,
s_test=datasets['test'],
s_db=datasets['db'],
writer=writer)
loss.backward()
optimizer.step()
print('Finished in ', str(datetime.timedelta(seconds=time() - start_t)),
's\n')
def enumerate_multiwoz_invalid_indices(dataset_name,
logger,
correct_requestables=False):
dataset = load_dataset(dataset_name, use_goal=True)
dataset = wrap_dataset_with_cache(dataset)
evaluator = MultiWozEvaluator(dataset,
logger=logger,
is_multiwoz_eval=True)
responses = (item.response for item in dataset)
beliefs = (evaluator.belief_parser(item.belief) for item in dataset)
dialogues = evaluator.pack_dialogues(dataset, beliefs, responses)
successes, matches = 0, 0
stats = tuple(Counter() for _ in range(3))
domain_total, domain_match, domain_success = stats
total = 0
offset = 0
with tqdm(total=len(dataset),
desc='identifying bad dialogues') as progress:
for idx, (items, goal, beliefs, responses,
booked_domains) in enumerate(dialogues):
goal, real_requestables = evaluator._get_goal_and_requestables(
items[-1].raw_belief, goal)
goal = fix_goal(goal, beliefs[-1])
provided_requestables, venue_offered = evaluator._get_requestables_and_venues(
beliefs, responses, booked_domains)
success, match = evaluator._evaluate_generated_dialogue(
real_requestables, provided_requestables, venue_offered, goal,
stats)
if match != 1 or (success != 1 and correct_requestables):
for i in range(offset, offset + len(items)):
yield f'{i}'
elif len(set(map(format_belief, beliefs))) == 1 and len(items) > 1:
match, success = 0, 0
for i in range(offset, offset + len(items)):
yield f'{i}'
successes += success
matches += match
total += 1
offset += len(items)
progress.update(len(items))
domain_results = dict()
for key in domain_total.keys():
domain_results[key] = domain_match[key] / float(domain_total[key]), \
domain_success[key] / float(domain_total[key])
match, success = matches / float(total), successes / float(total)
logger.info(f'match: {match:.4f}, success: {success:.4f}')
for domain, (match, success) in domain_results.items():
logger.info(
f' - domain: {domain}, match: {match:.4f}, success: {success:.4f}'
)
def run_train():
cars, notcars = load_dataset()
#cars, notcars = load_smallset()
feature_parameter = selected_feature_parameter()
car_features = extract_features(cars, feature_parameter=feature_parameter)
notcar_features = extract_features(notcars,
feature_parameter=feature_parameter)
clf, X_scaler = train_classifier(car_features=car_features,
notcar_features=notcar_features)
save_classifier(clf=clf, scaler=X_scaler, filename="classifier.p")
def _get_wrapped_dataset(self, set_) -> InputData:
ds = load_dataset(
self.path,
self.context.get_data_config()["height"],
self.context.get_data_config()["width"],
set_,
self.context.get_hparam("jitter"),
self.context.get_hparam("mirror"),
)
ds = self.context.wrap_dataset(ds)
return ds
def train(dataset, logs):
log_dir = '{}/iter_{:%Y%m%dT%H%M%S}'.format(args.logs,
datetime.datetime.now())
if not os.path.exists(log_dir):
os.makedirs(log_dir)
vocab, train_tuple, val_tuple = generate_train_data(
load_dataset(dataset), log_dir, NUM_TRAINING_SAMPLES)
training_seq, validation_seq = generate_train_sequences(
train_tuple, val_tuple)
model = create_model(log_dir, val_tuple, vocab)
model.train(training_seq, validation_seq)
def main():
setup_logging()
logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
parser = argparse.ArgumentParser()
parser.add_argument('dataset')
parser.add_argument('--backtranslations', default=None)
args = parser.parse_args()
dataset = load_dataset(args.dataset)
transform = load_backtranslation_transformation(args.backtranslations
or args.dataset)
validate_coverage(dataset, transform.dictionary, logger)
def __init__(self, dataset, fitness_metric):
"""
Creates the Evaluator instance and loads the dataset.
Parameters
----------
dataset : str
dataset to be loaded
"""
self.dataset = load_dataset(dataset)
self.fitness_metric = fitness_metric
def start():
movies = load_dataset()
model = MatrixPreferenceDataModel(movies['data'])
option = int(input("Enter: \n 1 for User Based Recommender \n 2 for Item Based Recommender \n"))
if option != 1 and option != 2:
print("Invalid Input")
return
if option == 1:
similarity = UserSimilarity(model, cosine_distances)
neighborhood = NearestNeighborsStrategy()
recsys = UserBasedRecommender(model, similarity, neighborhood)
if option == 2:
similarity = ItemSimilarity(model, cosine_distances)
neighborhood = ItemsNeighborhoodStrategy()
recsys = ItemBasedRecommender(model, similarity, neighborhood)
evaluator = Evaluator()
all_scores = evaluator.evaluate(recsys, permutation=False)
print all_scores
def main(num_epochs=NUM_EPOCHS):
print("Building network ...")
l_in = lasagne.layers.InputLayer((None, MAX_LENGTH, 3))
batchsize, seqlen, _ = l_in.input_var.shape
l_forward = lasagne.layers.LSTMLayer(
l_in, N_HIDDEN, grad_clipping=GRAD_CLIP,
nonlinearity=lasagne.nonlinearities.tanh)
l_backward = lasagne.layers.LSTMLayer(
l_in, N_HIDDEN, grad_clipping=GRAD_CLIP,
nonlinearity=lasagne.nonlinearities.tanh, backwards=True)
l_recurrent = lasagne.layers.ElemwiseMergeLayer([l_forward, l_backward], T.mul)
softmax = lasagne.nonlinearities.softmax
l_reshape = lasagne.layers.ReshapeLayer(l_recurrent,(-1, N_HIDDEN))
l_drop_out = lasagne.layers.DropoutLayer(l_reshape, p=0.95)
l_dense = lasagne.layers.DenseLayer(l_drop_out, num_units=1, nonlinearity=lasagne.nonlinearities.tanh)
l_drop_out_2 = lasagne.layers.DropoutLayer(l_dense, p=0.95)
#l_drop_out_2 = lasagne.layers.DropoutLayer(l_reshape, p=0.5)
l_softmax = lasagne.layers.DenseLayer(l_drop_out_2, num_units=2, nonlinearity = softmax)
l_out = lasagne.layers.ReshapeLayer(l_softmax, (batchsize, seqlen, 2))
# Now, we'll concatenate the outputs to combine them.
#l_sum = lasagne.layers.ConcatLayer([l_forward, l_backward], 2)
#l_shp = lasagne.layers.ReshapeLayer(l_sum, (-1, N_HIDDEN))
# Our output layer is a simple dense connection, with 1 output unit
#l_final = lasagne.layers.DenseLayer(l_shp, num_units=1, nonlinearity=lasagne.nonlinearities.tanh)
#l_out = lasagne.layers.ReshapeLayer(l_final, (batchsize, seqlen, 1))
target_values = T.tensor3('target_output')
# lasagne.layers.get_output produces a variable for the output of the net
network_output = lasagne.layers.get_output(l_out)
# The value we care about is the final value produced for each sequence
#predicted_values = T.argmax(network_output, axis = 2, keepdims = True)
predicted_values = network_output
# Our cost will be mean-squared error
cost = T.mean((T.argmax(predicted_values, axis = 2, keepdims = True) - target_values)**2)
#cost = lasagne.objectives.squared_error(T.argmax(predicted_values, axis = 2)+1, target_values).mean()
#cost = cost.mean()
acc = T.mean(T.eq(T.argmax(predicted_values, axis = 2, keepdims = True), target_values),
dtype=theano.config.floatX)
# Retrieve all parameters from the network
all_params = lasagne.layers.get_all_params(l_out)
# Compute SGD updates for training
print("Computing updates ...")
updates = lasagne.updates.nesterov_momentum(cost, all_params, learning_rate=LEARNING_RATE)
# Theano functions for training and computing cost
print("Compiling functions ...")
train = theano.function([l_in.input_var, target_values],
cost, updates=updates)
compute_cost = theano.function(
[l_in.input_var, target_values], cost)
compute_acc = theano.function(
[l_in.input_var, target_values], acc)
get_out = T.argmax(predicted_values, axis = 2, keepdims = True)
get_prediction = theano.function([l_in.input_var], get_out)
get_prediction_2 = theano.function([l_in.input_var], predicted_values)
# We'll use this "validation set" to periodically check progress
X_train, y_train, X_val, y_val, X_test, y_test = dt.load_dataset(BATCH_SIZE, row_count, column_count, plane_count, DEBUG)
print("Training ...")
#print(get_prediction(X_train[0:1]))
try:
index = 0 #*len(dt.labels_rev)
dt.saveImage(y_test[0], "results/y_GT.png",row_count, column_count, plane_count)
for epoch in range(num_epochs):
X = X_train[EPOCH_SIZE*epoch:EPOCH_SIZE*(epoch+1)]
y = y_train[EPOCH_SIZE*epoch:EPOCH_SIZE*(epoch+1)]
train(X, y)
cost_val = compute_cost(X_val, y_val)
cost_test = compute_acc(X_test, y_test)*100
#print(y_test[0])
#print(get_prediction(X_test)[0])
#print(get_prediction_2(X_test)[0])
print("Epoch {} validation cost = {} test acc = {} %".format(epoch, cost_val, cost_test))
dt.saveImage(get_prediction(X_test)[0], "results/y_output_{}.png".format(epoch), row_count, column_count, plane_count, True)
dt.saveImage(get_prediction(X_test)[0], "results/y_output.png", row_count, column_count, plane_count, True)
except KeyboardInterrupt:
pass
def main():
# Supported preprocessing/network list
method_list = ['nfp', 'ggnn', 'schnet', 'weavenet', 'rsgcn', 'relgcn',
'relgat']
label_names = D.get_tox21_label_names()
iterator_type = ['serial', 'balanced']
parser = argparse.ArgumentParser(
description='Multitask Learning with Tox21.')
parser.add_argument('--method', '-m', type=str, choices=method_list,
default='nfp', help='graph convolution model to use '
'as a predictor.')
parser.add_argument('--label', '-l', type=str, choices=label_names,
default='', help='target label for logistic '
'regression. Use all labels if this option '
'is not specified.')
parser.add_argument('--iterator-type', type=str, choices=iterator_type,
default='serial', help='iterator type. If `balanced` '
'is specified, data is sampled to take same number of'
'positive/negative labels during training.')
parser.add_argument('--eval-mode', type=int, default=1,
help='Evaluation mode.'
'0: only binary_accuracy is calculated.'
'1: binary_accuracy and ROC-AUC score is calculated')
parser.add_argument('--conv-layers', '-c', type=int, default=4,
help='number of convolution layers')
parser.add_argument('--batchsize', '-b', type=int, default=32,
help='batch size')
parser.add_argument('--gpu', '-g', type=int, default=-1,
help='GPU ID to use. Negative value indicates '
'not to use GPU and to run the code in CPU.')
parser.add_argument('--out', '-o', type=str, default='result',
help='path to output directory')
parser.add_argument('--epoch', '-e', type=int, default=10,
help='number of epochs')
parser.add_argument('--unit-num', '-u', type=int, default=16,
help='number of units in one layer of the model')
parser.add_argument('--resume', '-r', type=str, default='',
help='path to a trainer snapshot')
parser.add_argument('--frequency', '-f', type=int, default=-1,
help='Frequency of taking a snapshot')
parser.add_argument('--protocol', type=int, default=2,
help='protocol version for pickle')
parser.add_argument('--model-filename', type=str, default='classifier.pkl',
help='file name for pickled model')
parser.add_argument('--num-data', type=int, default=-1,
help='Number of data to be parsed from parser.'
'-1 indicates to parse all data.')
args = parser.parse_args()
method = args.method
if args.label:
labels = args.label
class_num = len(labels) if isinstance(labels, list) else 1
else:
labels = None
class_num = len(label_names)
# Dataset preparation
train, val, _ = data.load_dataset(method, labels, num_data=args.num_data)
# Network
predictor_ = predictor.build_predictor(
method, args.unit_num, args.conv_layers, class_num)
iterator_type = args.iterator_type
if iterator_type == 'serial':
train_iter = I.SerialIterator(train, args.batchsize)
elif iterator_type == 'balanced':
if class_num > 1:
raise ValueError('BalancedSerialIterator can be used with only one'
'label classification, please specify label to'
'be predicted by --label option.')
train_iter = BalancedSerialIterator(
train, args.batchsize, train.features[:, -1], ignore_labels=-1)
train_iter.show_label_stats()
else:
raise ValueError('Invalid iterator type {}'.format(iterator_type))
val_iter = I.SerialIterator(val, args.batchsize,
repeat=False, shuffle=False)
classifier = Classifier(predictor_,
lossfun=F.sigmoid_cross_entropy,
metrics_fun=F.binary_accuracy,
device=args.gpu)
optimizer = O.Adam()
optimizer.setup(classifier)
updater = training.StandardUpdater(
train_iter, optimizer, device=args.gpu, converter=concat_mols)
trainer = training.Trainer(updater, (args.epoch, 'epoch'), out=args.out)
trainer.extend(E.Evaluator(val_iter, classifier,
device=args.gpu, converter=concat_mols))
trainer.extend(E.LogReport())
eval_mode = args.eval_mode
if eval_mode == 0:
trainer.extend(E.PrintReport([
'epoch', 'main/loss', 'main/accuracy', 'validation/main/loss',
'validation/main/accuracy', 'elapsed_time']))
elif eval_mode == 1:
train_eval_iter = I.SerialIterator(train, args.batchsize,
repeat=False, shuffle=False)
trainer.extend(ROCAUCEvaluator(
train_eval_iter, classifier, eval_func=predictor_,
device=args.gpu, converter=concat_mols, name='train',
pos_labels=1, ignore_labels=-1, raise_value_error=False))
# extension name='validation' is already used by `Evaluator`,
# instead extension name `val` is used.
trainer.extend(ROCAUCEvaluator(
val_iter, classifier, eval_func=predictor_,
device=args.gpu, converter=concat_mols, name='val',
pos_labels=1, ignore_labels=-1))
trainer.extend(E.PrintReport([
'epoch', 'main/loss', 'main/accuracy', 'train/main/roc_auc',
'validation/main/loss', 'validation/main/accuracy',
'val/main/roc_auc', 'elapsed_time']))
else:
raise ValueError('Invalid accfun_mode {}'.format(eval_mode))
trainer.extend(E.ProgressBar(update_interval=10))
frequency = args.epoch if args.frequency == -1 else max(1, args.frequency)
trainer.extend(E.snapshot(), trigger=(frequency, 'epoch'))
if args.resume:
chainer.serializers.load_npz(args.resume, trainer)
trainer.run()
config = {'method': args.method,
'conv_layers': args.conv_layers,
'unit_num': args.unit_num,
'labels': args.label}
with open(os.path.join(args.out, 'config.json'), 'w') as o:
o.write(json.dumps(config))
classifier.save_pickle(os.path.join(args.out, args.model_filename),
protocol=args.protocol)
logging.basicConfig()
logger = logging.getLogger(__name__)
logger.setLevel(logging.INFO)
program = "detect.py"
version = "0.1"
usage = "Usage: %prog [OPTION]... [REST]"
description = "Instrument detection using scikit-learn"
parser = optparse.OptionParser(usage=usage, version=version, description=description, prog=program)
parser.add_option("-d", "--directory", dest="directory", action="store",
help="download data to this directory" )
(options, args) = parser.parse_args()
if not options.directory:
print "set -d <directory> to save data to"
sys.exit(1)
logger.info('loading dataset from directory: %s' % options.directory)
DIRECTORY = options.directory
dataset = data.load_dataset(DIRECTORY)
target_names = [item['target'] for item in dataset]
unique_tarets = np.unique(target_names)
logger.info('%d targets found: %s' % (len(unique_tarets), unique_tarets))
def main():
parser = argparse.ArgumentParser(
description='Predict with a trained model.')
parser.add_argument('--in-dir', '-i', type=str, default='result',
help='Path to the result directory of the training '
'script.')
parser.add_argument('--batchsize', '-b', type=int, default=128,
help='batch size')
parser.add_argument('--gpu', '-g', type=int, default=-1,
help='GPU ID to use. Negative value indicates '
'not to use GPU and to run the code in CPU.')
parser.add_argument('--model-filename', type=str, default='classifier.pkl',
help='file name for pickled model')
parser.add_argument('--num-data', type=int, default=-1,
help='Number of data to be parsed from parser.'
'-1 indicates to parse all data.')
args = parser.parse_args()
with open(os.path.join(args.in_dir, 'config.json'), 'r') as i:
config = json.loads(i.read())
method = config['method']
labels = config['labels']
_, test, _ = data.load_dataset(method, labels, num_data=args.num_data)
y_test = test.get_datasets()[-1]
# Load pretrained model
clf = Classifier.load_pickle(
os.path.join(args.in_dir, args.model_filename),
device=args.gpu) # type: Classifier
# ---- predict ---
print('Predicting...')
# We need to feed only input features `x` to `predict`/`predict_proba`.
# This converter extracts only inputs (x1, x2, ...) from the features which
# consist of input `x` and label `t` (x1, x2, ..., t).
def extract_inputs(batch, device=None):
return concat_mols(batch, device=device)[:-1]
def postprocess_pred(x):
x_array = cuda.to_cpu(x.data)
return numpy.where(x_array > 0, 1, 0)
y_pred = clf.predict(test, converter=extract_inputs,
postprocess_fn=postprocess_pred)
y_proba = clf.predict_proba(test, converter=extract_inputs,
postprocess_fn=F.sigmoid)
# `predict` method returns the prediction label (0: non-toxic, 1:toxic)
print('y_pread.shape = {}, y_pred[:5, 0] = {}'
.format(y_pred.shape, y_pred[:5, 0]))
# `predict_proba` method returns the probability to be toxic
print('y_proba.shape = {}, y_proba[:5, 0] = {}'
.format(y_proba.shape, y_proba[:5, 0]))
# --- predict end ---
if y_pred.ndim == 1:
y_pred = y_pred[:, None]
if y_pred.shape != y_test.shape:
raise RuntimeError('The shape of the prediction result array and '
'that of the ground truth array do not match. '
'Contents of the input directory may be corrupted '
'or modified.')
statistics = []
for t, p in six.moves.zip(y_test.T, y_pred.T):
idx = t != -1
n_correct = (t[idx] == p[idx]).sum()
n_total = len(t[idx])
accuracy = float(n_correct) / n_total
statistics.append([n_correct, n_total, accuracy])
print('{:>6} {:>8} {:>8} {:>8}'
.format('TaskID', 'Correct', 'Total', 'Accuracy'))
for idx, (n_correct, n_total, accuracy) in enumerate(statistics):
print('task{:>2} {:>8} {:>8} {:>8.4f}'
.format(idx, n_correct, n_total, accuracy))
prediction_result_file = 'prediction.npz'
print('Save prediction result to {}'.format(prediction_result_file))
numpy.savez_compressed(prediction_result_file, y_pred)
# --- evaluate ---
# To calc loss/accuracy, we can use `Evaluator`, `ROCAUCEvaluator`
print('Evaluating...')
test_iterator = SerialIterator(test, 16, repeat=False, shuffle=False)
eval_result = Evaluator(
test_iterator, clf, converter=concat_mols, device=args.gpu)()
print('Evaluation result: ', eval_result)
rocauc_result = ROCAUCEvaluator(
test_iterator, clf, converter=concat_mols, device=args.gpu,
eval_func=clf.predictor, name='test', ignore_labels=-1)()
print('ROCAUC Evaluation result: ', rocauc_result)
with open(os.path.join(args.in_dir, 'eval_result.json'), 'w') as f:
json.dump(rocauc_result, f)
mask = np.array(~(Y_pred.isnull()))
print expert.strip(), "n =", np.sum(mask)
Y_pred_subset = np.array(Y_pred[mask].astype('float'))
print "-- %0.4f" % error(Y[mask], Y_pred_subset, deceased[mask])
Y_expert_combined[mask] += Y_pred_subset
Y_expert_count[mask] += 1
combined_mask = Y_expert_count > 0
Y_expert_combined = Y_expert_combined[combined_mask]
Y_expert_combined /= Y_expert_count[combined_mask]
return error(Y[combined_mask], Y_expert_combined, deceased[combined_mask])
if __name__ == '__main__':
X, Y, deceased, experts, test_mask = data.load_dataset(binarize_categorical = True)
print "Data shape", X.shape
print "---"
print "Average prediction error = %0.4f" % average_expert_error(Y, experts, deceased)
print "---"
shuffle_data = False
if shuffle_data:
random_index = np.arange(len(Y))
np.random.shuffle(random_index)
X = np.array(X)
def train(*, dataset='mnist'):
z1 = 100
z2 = 512
batch_size = 64
lr = 0.1
dataset = load_dataset(dataset, split='train')
x0, _ = dataset[0]
c, h, w = x0.size()
dataloader = torch.utils.data.DataLoader(
dataset,
batch_size=batch_size,
shuffle=True,
num_workers=1
)
w1 = torch.rand(w*h*c, z1).cuda()
w1 = Variable(w1, requires_grad=True)
xavier_uniform(w1.data)
"""
w1_2 = torch.rand(z1, z2)
w1_2 = Variable(w1_2, requires_grad=True)
xavier_uniform(w1_2.data)
w1_2 = w1_2.cuda()
wx_2 = torch.rand(w*h*c, z2)
wx_2 = Variable(wx_2, requires_grad=True)
xavier_uniform(wx_2.data)
wx_2 = wx_2.cuda()
"""
bias = torch.zeros(w*h*c).cuda()
bias = Variable(bias, requires_grad=True)
print(w1.is_leaf, bias.is_leaf)
grads = {}
momentum = 0.9
def save_grad(v):
def hook(grad):
v.grad = grad
if not hasattr(v, 'mem'):
v.mem = 0.0
v.mem = v.mem * momentum + v.grad.data * (1 - momentum)
return hook
#params = [w1, w1_2, wx_2, bias]
params = [w1, bias]
optim = torch.optim.Adadelta(params, lr=0.1)
#for p in params:
# p.register_hook(save_grad(p))
gamma = 5.0
nb_updates = 0
for _ in range(1000):
for X, y in dataloader:
optim.zero_grad()
X = Variable(X)
#w2 = torch.matmul(w1, w1_2)
X = X.cuda()
X = X.view(X.size(0), -1)
"""
a2 = torch.matmul(X, wx_2)
a2 = a2 * (a2 > 0.8).float()
Xrec = torch.matmul(a2, w2.transpose(0, 1)) + bias
Xrec = torch.nn.Sigmoid()(Xrec)
"""
hid = torch.matmul(X, w1)
hid = hid * (hid > 1.0).float()
Xrec = torch.matmul(hid, w1.transpose(1, 0).contiguous()) + bias
Xrec = torch.nn.Sigmoid()(Xrec)
e1 = ((Xrec - X)**2).sum(1).mean()
e2 = e1
e3 = e1
#e2 = torch.abs(w1_2).mean()
#e3 = torch.abs(a2).mean()
loss = e1
loss.backward()
optim.step()
#for p in params:
# p.data -= lr * p.mem
if nb_updates % 100 == 0:
print('loss : %.3f %.3f %.3f' % (e1.data[0], e2.data[0], e3.data[0]))
active = (hid.data>0).float().sum(1)
print('nbActive : {:.4f} +- {:.4f}'.format(active.mean(), active.std()))
im = Xrec.data.cpu().numpy()
im = im.reshape(im.shape[0], c, h, w)
im = grid_of_images_default(im, normalize=True)
imsave('x.png', im)
im = w1.data.cpu().numpy()
im = im.reshape((c, h, w, z1)).transpose((3, 0, 1, 2))
im = grid_of_images_default(im, normalize=True)
imsave('w1.png', im)
"""
im = wx_2.data.cpu().numpy()
im = im.reshape((c, h, w, z2)).transpose((3, 0, 1, 2))
im = grid_of_images_default(im, normalize=True)
imsave('w2.png', im)
"""
nb_updates += 1
THEANO_FLAGS='cuda.root=/Developer/NVIDIA/CUDA-7.5,device=gpu,floatX=float32' python train.py
Output after 4 epochs on CPU: ~0.8146
Time per epoch on CPU (Core i7): ~150s.
'''
max_features = 3
maxlen = 19200 # cut texts after this number of words (among top max_features most common words)
batch_size = 10
nb_epoch = 1
row_count = 120
column_count = 160
number_of_training_data = 455
DEBUG = False
N_HIDDEN = 20
X_train, y_train, X_val, y_val, X_test, y_test = dt.load_dataset(number_of_training_data, row_count, column_count, max_features, DEBUG)
dt.saveImage(y_train[0], "gt.png", row_count, column_count, 3, True)
print(len(X_train), 'train sequences')
print(len(X_test), 'test sequences')
print("Pad sequences (samples x time)")
#X_train = sequence.pad_sequences(X_train, maxlen=maxlen)
#X_test = sequence.pad_sequences(X_test, maxlen=maxlen)
print('X_train shape:', X_train.shape)
print('X_test shape:', X_test.shape)
y_train = np.array(y_train)
y_test = np.array(y_test)
print('Build model...')
import data
import argparse
from model import EDSR
parser = argparse.ArgumentParser()
parser.add_argument("--dataset",default="images_register")
parser.add_argument("--imgsize",default=320,type=int)
parser.add_argument("--scale",default=2,type=int)
parser.add_argument("--layers",default=16,type=int)
parser.add_argument("--featuresize",default=128,type=int)
parser.add_argument("--batchsize",default=10,type=int)
parser.add_argument("--savedir",default='saved_models')
parser.add_argument("--iterations",default=400,type=int)
args = parser.parse_args()
data.load_dataset(args.dataset)
down_size = args.imgsize//args.scale
network = EDSR(down_size,args.layers,args.featuresize,args.scale, output_channels=1)
network.set_data_fn(data.get_batch,(args.batchsize,args.imgsize,down_size),data.get_test_set,(args.imgsize,down_size))
network.train(args.iterations,args.savedir)