def main(argv):
config = Config()
config.phase = FLAGS.phase
config.train_cnn = FLAGS.train_cnn
config.beam_size = FLAGS.beam_size
with tf.Session() as sess:
if FLAGS.phase == 'train':
# training phase
data = prepare_train_data(config)
model = CaptionGenerator(config)
sess.run(tf.global_variables_initializer())
if FLAGS.load:
model.load(sess, FLAGS.model_file)
if FLAGS.load_cnn:
model.load_cnn(sess, FLAGS.cnn_model_file)
tf.get_default_graph().finalize()
model.train(sess, data)
elif FLAGS.phase == 'eval':
# evaluation phase
coco, data, vocabulary = prepare_eval_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.eval(sess, coco, data, vocabulary)
else:
# testing phase
data, vocabulary = prepare_test_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.test(sess, data, vocabulary)
def main(argv):
flags = tf.app.flags
FLAGS = flags.FLAGS
config = Config()
config.phase = FLAGS.phase
config.train_cnn = FLAGS.train_cnn
config.beam_size = FLAGS.beam_size
# Cluster One setting
clusterone_dist_env = distributed_env(config.root_path_to_local_data,
config.path_to_local_logs,
config.cloud_path_to_data,
config.local_repo,
config.cloud_user_repo, flags)
clusterone_dist_env.get_env()
tf.reset_default_graph()
device, target = clusterone_dist_env.device_and_target(
) # getting node environment
# end of setting
# Using tensorflow's MonitoredTrainingSession to take care of checkpoints
with tf.train.MonitoredTrainingSession(
master=target,
is_chief=(FLAGS.task_index == 0),
checkpoint_dir=FLAGS.log_dir) as sess:
# with tf.Session() as sess:
if FLAGS.phase == 'train':
# training phase
data = prepare_train_data(config)
with tf.device(device): # define model
model = CaptionGenerator(config)
sess.run(tf.global_variables_initializer())
if FLAGS.load:
model.load(sess, FLAGS.model_file)
if FLAGS.load_cnn:
model.load_cnn(sess, FLAGS.cnn_model_file)
tf.get_default_graph().finalize()
model.train(sess, data)
elif FLAGS.phase == 'eval':
# evaluation phase
config.batch_size = 1
coco, data, vocabulary = prepare_eval_data(config)
with tf.device(device): # define model
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.eval(sess, coco, data, vocabulary)
else:
# testing phase
data, vocabulary = prepare_test_data(config)
with tf.device(device): # define model
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.test(sess, data, vocabulary)
def main(argv):
config = Config()
config.phase = FLAGS.phase
config.train_cnn = FLAGS.train_cnn
config.beam_size = FLAGS.beam_size
with tf.compat.v1.Session() as sess:
if FLAGS.phase == 'train':
# training phase
config.train_image_dir = config.train_image_dir[:
-1] + "_" + FLAGS.namedir + "/"
data = prepare_train_data(config)
model = CaptionGenerator(config)
sess.run(tf.global_variables_initializer())
if FLAGS.load:
model.load(sess, FLAGS.model_file)
if FLAGS.load_cnn:
model.load_cnn(sess, FLAGS.cnn_model_file)
tf.get_default_graph().finalize()
model.train(sess, data)
elif FLAGS.phase == 'eval':
# evaluation phase
config.eval_image_dir = config.eval_image_dir[:
-1] + "_" + FLAGS.namedir + "/"
config.eval_result_dir = config.eval_result_dir[:
-1] + "_" + FLAGS.namedir + "/"
config.eval_result_file = config.eval_result_file[:
-5] + "_" + FLAGS.namedir + config.eval_result_file[
-5:] # .json
coco, data, vocabulary = prepare_eval_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.eval(sess, coco, data, vocabulary)
else:
# testing phase
config.test_image_dir = config.test_image_dir[:
-1] + "_" + FLAGS.namedir + "/"
config.test_result_dir = config.test_result_dir[:
-1] + "_" + FLAGS.namedir + "/"
config.test_result_file = config.test_result_file[:
-4] + "_" + FLAGS.namedir + config.test_result_file[
-4:] # .csv
data, vocabulary = prepare_test_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.compat.v1.get_default_graph().finalize()
model.test(sess, data, vocabulary)
def main(argv):
config = Config()
config.phase = FLAGS.phase
config.train_cnn = FLAGS.train_cnn
config.beam_size = FLAGS.beam_size
config.trainable_variable = FLAGS.train_cnn
with tf.Session() as sess:
if FLAGS.phase == 'train':
# training phase
data = prepare_train_data(config)
model = CaptionGenerator(config)
sess.run(tf.global_variables_initializer())
if FLAGS.load:
model.load(sess, FLAGS.model_file)
#load the cnn file
if FLAGS.load_cnn:
model.load_cnn(sess, FLAGS.cnn_model_file)
tf.get_default_graph().finalize()
model.train(sess, data)
elif FLAGS.phase == 'eval':
# evaluation phase
coco, data, vocabulary = prepare_eval_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.eval(sess, coco, data, vocabulary)
elif FLAGS.phase == 'test_loaded_cnn':
# testing only cnn
model = CaptionGenerator(config)
sess.run(tf.global_variables_initializer())
imgs = tf.placeholder(tf.float32, [None, 224, 224, 3])
probs = model.test_cnn(imgs)
model.load_cnn(sess, FLAGS.cnn_model_file)
img1 = imread(FLAGS.image_file, mode='RGB')
img1 = imresize(img1, (224, 224))
prob = sess.run(probs, feed_dict={imgs: [img1]})[0]
preds = (np.argsort(prob)[::-1])[0:5]
for p in preds:
print(class_names[p], prob[p])
else:
# testing phase
data, vocabulary = prepare_test_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.test(sess, data, vocabulary)
def __init__(self,
weight_file,
beam_size=5,
save_to='test.png',
mean_file='ilsvrc_2012_mean.npy'):
# self.image=self.load_image(image_file)
# url='https://vision.ece.vt.edu/mscoco/downloads/captions_train2014.json'
# wget.download(url,out='.')
# self.mean=np.load(mean_file).mean(1).mean(1)
self.mean = np.array([104.00698793, 116.66876762, 122.67891434])
self.scale_shape = np.array([224, 224], np.int32)
self.crop_shape = np.array([224, 224], np.int32)
self.bgr = True
config = Config()
config.phase = 'test'
config.train_cnn = False
config.beam_size = 5
config.batch_size = 1
self.vocabulary = prepare_test_data(config)
self.config = config
self.sess = tf.Session()
self.sess.__enter__()
self.model = CaptionGenerator(config)
self.sess.run(tf.global_variables_initializer())
self.model.load(self.sess, weight_file)
def main(argv):
config = Config()
config.phase = FLAGS.phase
config.train_cnn = FLAGS.train_cnn
config.beam_size = FLAGS.beam_size
model = CaptionGenerator(config)
# model.train()
with tf.Session() as sess:
# sess.run(tf.global_variables_initializer())
sess.run(tf.local_variables_initializer())
# if model.init_fn:
# model.init_fn(sess)
# Start populating the filename queue.
coord = tf.train.Coordinator()
threads = tf.train.start_queue_runners(coord=coord)
for i in range(1):
# Retrieve a single instance:
example = sess.run(model.images)
print(example, type(example), example.shape)
coord.request_stop()
coord.join(threads)
def main():
# load train dataset
data = load_coco_data(data_path='./data', split='train')
word_to_idx = data['word_to_idx']
# load val dataset to print out bleu scores every epoch
val_data = load_coco_data(data_path='./data', split='val')
model = CaptionGenerator(word_to_idx,
dim_feature=[196, 512],
dim_embed=512,
dim_hidden=1024,
n_time_step=16,
prev2out=True,
ctx2out=True,
alpha_c=1.0,
selector=True,
dropout=True)
solver = CaptioningSolver(model,
data,
val_data,
n_epochs=20,
batch_size=128,
update_rule='adam',
learning_rate=0.001,
print_every=1000,
save_every=1,
image_path='./image/',
pretrained_model=None,
model_path='model/lstm/',
test_model='model/lstm/model-10',
print_bleu=True,
log_path='log/')
solver.train()
def main(argv=None):
config = Config()
config.phase = FLAGS.phase
config.train_cnn = FLAGS.train_cnn
config.beam_size = FLAGS.beam_size
with tf.Session() as sess:
# if FLAGS.phase == 'train':
# # training phase
# data = prepare_train_data(config)
# model = CaptionGenerator(config)
# sess.run(tf.global_variables_initializer())
# if FLAGS.load:
# model.load(sess, FLAGS.model_file)
# if FLAGS.load_cnn:
# model.load_cnn(sess, FLAGS.cnn_model_file)
# tf.get_default_graph().finalize()
# model.train(sess, data)
# elif FLAGS.phase == 'eval':
# # evaluation phase
# coco, data, vocabulary = prepare_eval_data(config)
# model = CaptionGenerator(config)
# model.load(sess, FLAGS.model_file)
# tf.get_default_graph().finalize()
# model.eval(sess, coco, data, vocabulary)
# else:
# testing phase
data, vocabulary = prepare_test_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
results, img_results = model.test(sess, data, vocabulary)
return results, img_results
def load(self):
self.sess = tf.Session()
# testing phase
self.model = CaptionGenerator(self.config)
# TODO:load the right model
self.model.load(self.sess, self.model_path)
tf.get_default_graph().finalize()
def reply(request):
if request.method == "POST":
image_base64_str = request.POST.get("image_contents")
print(type(image_base64_str))
image_base64_str = image_base64_str.replace('%2B', '+').replace(
'%3D', '=').replace('%2F', '/')
image_data = base64.b64decode(image_base64_str)
print(type(image_data))
with open(ANDROID_IMAGE, "wb") as f:
f.write(image_data)
config = Config()
config.train_cnn = False
config.phase = 'test'
config.beam_size = 1
with tf.Session() as sess:
# testing phase for android app
data, vocabulary = prepare_test_data(config)
model = CaptionGenerator(config)
model.load(sess, MODEL_FILE)
tf.get_default_graph().finalize()
# model.test(sess, data, vocabulary)
# captions = model.test_for_android(sess, data, vocabulary)
captions = test_for_android(model, sess, data, vocabulary)
return HttpResponse(str(captions[0]))
def main(argv):
os.system("ls /tinysrc")
os.system("python tinysrc/download_flickr8k.py")
config = Config()
config.phase = FLAGS.phase
config.train_cnn = FLAGS.train_cnn
config.joint_train = FLAGS.joint_train
config.beam_size = FLAGS.beam_size
config.attention_mechanism = FLAGS.attention
config.faster_rcnn_frozen = FLAGS.faster_rcnn_frozen
with tf.Session() as sess:
if FLAGS.phase == 'train':
# training phase
data = prepare_train_data(config)
model = CaptionGenerator(config)
sess.run(tf.global_variables_initializer())
if FLAGS.load:
model.load(sess, FLAGS.model_file)
if FLAGS.load_cnn:
model.load_faster_rcnn_feature_extractor(
sess, FLAGS.faster_rcnn_ckpt)
tf.get_default_graph().finalize()
model.train(sess, data)
elif FLAGS.phase == 'eval':
# evaluation phase
coco, data, vocabulary = prepare_eval_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.eval(sess, coco, data, vocabulary)
else:
# testing phase
data, vocabulary = prepare_test_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.test(sess, data, vocabulary)
os.system("rm -rf /output/Flickr8k_Dataset/")
os.system("rm -rf /output/Flickr8k_text/")
def main(argv):
config = Config()
config.phase = FLAGS.phase
config.train_cnn = FLAGS.train_cnn
config.beam_size = FLAGS.beam_size
with tf.Session() as sess:
if FLAGS.phase == 'train':
# training phase
data = prepare_train_data(config)
model = CaptionGenerator(config)
sess.run(tf.global_variables_initializer())
if FLAGS.load:
model.load(sess, FLAGS.model_file)
if FLAGS.load_cnn:
model.load_cnn(sess, FLAGS.cnn_model_file)
tf.get_default_graph().finalize()
model.train(sess, data)
else:
# testing phase
cap = cv2.VideoCapture(0)
#cap = cv2.VideoCapture('./video3.mp4')
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
i = 1
vocabulary = prepare_test_data(config)
while True:
ret, frame = cap.read()
if not ret:
break
if i == 1 or i % 4 == 0:
caption = model.test(sess, frame, vocabulary)
i += 1
word_and_img = np.concatenate((np.zeros(
(50, np.shape(frame)[1], 3), np.uint8), frame),
axis=0)
cv2.putText(word_and_img, caption, (15, 30),
cv2.FONT_HERSHEY_TRIPLEX, 0.5, (18, 87, 220), 1)
cv2.imshow('VideoShow', word_and_img)
cv2.waitKey(5)
def __init__(self):
self.cache = {}
os.chdir('./show_attend_and_tell')
self.config = Config()
self.config.phase = FLAGS.phase
self.config.train_cnn = FLAGS.train_cnn
self.config.beam_size = FLAGS.beam_size
# testing phase
self.model = CaptionGenerator(self.config)
self.model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
def main(argv):
config = Config()
config.test_file_name = flags.test_image
config.phase = 'test'
config.beam_size = 3
with tf.Session() as sess:
data, vocabulary = prepare_test_data(config)
model = CaptionGenerator(config)
model.load(sess, './data/289999.npy')
tf.get_default_graph().finalize()
model.test(sess, data, vocabulary)
def main(args):
# Image preprocessing
transform = transforms.Compose([
transforms.ToTensor(),
transforms.Normalize((0.485, 0.456, 0.406), (0.229, 0.224, 0.225))
])
image_dir = "data/"
json_path = image_dir + "annotations/captions_train2014.json"
root_dir = image_dir + "train2014"
dataset = CocoDataset(json_path=json_path,
root_dir=root_dir,
transform=transform)
data_loader = get_data_loader(dataset, batch_size=32)
# Build models
encoder = FeatureExtractor(args.embed_size).eval(
) # eval mode (batchnorm uses moving mean/variance)
decoder = CaptionGenerator(args.embed_size, args.hidden_size,
len(dataset.vocabulary), args.num_layers)
encoder = encoder.to(device)
decoder = decoder.to(device)
# Load the trained model parameters
encoder.load_state_dict(torch.load(args.encoder_path))
decoder.load_state_dict(torch.load(args.decoder_path))
# Prepare an image
image = load_image(args.image, transform)
image_tensor = image.to(device)
# Generate an caption from the image
feature = encoder(image_tensor)
sampled_ids = decoder.sample(feature)
sampled_ids = sampled_ids[0].cpu().numpy(
) # (1, max_seq_length) -> (max_seq_length)
# Convert word_ids to words
sampled_caption = []
for word_id in sampled_ids:
word = data_loader.dataset.id_to_word[word_id]
sampled_caption.append(word)
if word == '<end>':
break
sentence = ' '.join(sampled_caption)
# Print out the image and the generated caption
print(sentence)
image = Image.open(args.image)
plt.imshow(np.asarray(image))
def main(_):
config = Config()
config.mode = FLAGS.mode
config.train_cnn = FLAGS.train_cnn
config.beam_size = FLAGS.beam_size
tf_config = tf.ConfigProto()
tf_config.gpu_options.allow_growth = True
# 设置按需分配GPU
with tf.Session(config=tf_config) as sess:
if FLAGS.mode == 'train':
# training mode
data = prepare_train_data(config)
model = CaptionGenerator(config)
sess.run(tf.global_variables_initializer())
if FLAGS.load:
model.load(sess, FLAGS.model_file)
if FLAGS.load_cnn:
model.load_cnn(sess, FLAGS.cnn_model_file)
tf.get_default_graph().finalize()
model.train(sess, data)
elif FLAGS.mode == 'eval':
# evaluation mode
coco, data, vocabulary = prepare_eval_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.eval(sess, coco, data, vocabulary)
else:
# testing mode
data, vocabulary = prepare_test_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.test(sess, data, vocabulary)
def main(argv):
config = Config()
config.phase = FLAGS.phase
config.train_cnn = FLAGS.train_cnn
config.beam_size = FLAGS.beam_size
gpu_options = tf.GPUOptions(per_process_gpu_memory_fraction=0.9)
with tf.Session(config=tf.ConfigProto(log_device_placement=False,
gpu_options=gpu_options)) as sess:
if FLAGS.phase == 'train':
# training phase
data = prepare_train_data(config)
model = CaptionGenerator(config)
sess.run(tf.global_variables_initializer())
if FLAGS.load:
model.load(sess, FLAGS.model_file)
if FLAGS.load_cnn:
model.load_cnn(sess, FLAGS.cnn_model_file)
tf.get_default_graph().finalize()
model.train(sess, data)
elif FLAGS.phase == 'eval':
# evaluation phase
coco, data, vocabulary = prepare_eval_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.eval(sess, coco, data, vocabulary)
else:
# testing phase
data, vocabulary = prepare_test_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.test(sess, data, vocabulary)
def cpp_caption():
config = Config()
config.test_image_dir = '../buffer/'
config.train_cnn = False
config.phase = 'test'
config.beam_size = 3
data, vocabulary = prepare_test_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
caption = model.test(sess, data, vocabulary)
return caption
def export_graph(model_folder, model_name, config):
config.phase = 'test'
config.train_cnn = False
config.beam_size = 3
graph = tf.Graph()
with graph.as_default():
model = CaptionGenerator(config)
# input tensor can't use tf.identity() to rename
# inputs = {}
outputs = {}
# # input
# inputs['contexts'] = tf.identity(model.contexts, name='contexts')
# inputs['last_word'] = tf.identity(model.last_word, name='last_word')
# inputs['last_memory'] = tf.identity(model.last_memory, name='last_memory')
# inputs['last_output'] = tf.identity(model.last_output, name='last_output')
# outputs
outputs['initial_memory'] = tf.identity(model.initial_memory,
name='initial_memory')
outputs['initial_output'] = tf.identity(model.initial_output,
name='initial_output')
# results
outputs['conv_feats'] = tf.identity(model.conv_feats,
name='conv_feats')
outputs['alpha'] = tf.identity(model.alpha, name='alpha')
outputs['memory'] = tf.identity(model.memory, name='memory')
outputs['output'] = tf.identity(model.output, name='output')
outputs['probs'] = tf.identity(model.probs, name='probs')
# logits = model.inference(input_image)
# y_conv = tf.nn.softmax(logits,name='outputdata')
# restore_saver = tf.train.Saver()
with tf.Session(graph=graph) as sess:
# sess.run(tf.global_variables_initializer())
# latest_ckpt = tf.train.latest_checkpoint(model_folder)
# restore_saver.restore(sess, latest_ckpt)
model.load(sess, model_folder)
output_graph_def = tf.graph_util.convert_variables_to_constants(
sess, graph.as_graph_def(), list(outputs.keys()))
# tf.train.write_graph(output_graph_def, 'log', model_name, as_text=False)
with tf.gfile.GFile(model_name, "wb") as f:
f.write(output_graph_def.SerializeToString())
def main(argv):
config = Config()
config.input_file_pattern = FLAGS.input_file_pattern
config.optimizer = FLAGS.optimizer
config.attention_mechanism = FLAGS.attention
config.save_dir = FLAGS.train_dir
# Create training directory.
train_dir = config.save_dir
if not tf.gfile.IsDirectory(train_dir):
tf.logging.info("Creating training directory: %s", train_dir)
tf.gfile.MakeDirs(train_dir)
# Build the TensorFlow graph.
g = tf.Graph()
with g.as_default():
# Build the model.
model = CaptionGenerator(config, mode="train")
model.build()
# Set up the Saver for saving and restoring model checkpoints.
saver = tf.train.Saver(max_to_keep=config.max_checkpoints_to_keep)
sess_config = tf.ConfigProto()
sess_config.gpu_options.allow_growth = True
# Run training.
tf.contrib.slim.learning.train(
model.opt_op,
train_dir,
log_every_n_steps=config.log_every_n_steps,
graph=g,
global_step=model.global_step,
number_of_steps=FLAGS.number_of_steps,
summary_op=model.summary,
save_summaries_secs=60,
save_interval_secs=600,
init_fn=None,
saver=saver,
session_config=sess_config)
def main(argv):
config = Config()
config.phase = FLAGS.phase
config.train_cnn = FLAGS.train_cnn
config.beam_size = FLAGS.beam_size
config2 = tf.ConfigProto()
config2.gpu_options.allow_growth = True
with tf.Session(config=config2) as sess:
if FLAGS.phase == 'train':
# training phase
data = prepare_train_data(config)
model = CaptionGenerator(config)
sess.run(tf.global_variables_initializer())
if FLAGS.load:
model.load(sess, FLAGS.model_file)
if FLAGS.load_cnn:
model.load_cnn(sess, FLAGS.cnn_model_file)
tf.get_default_graph().finalize()
model.train(sess, data)
'''
def main(argv):
config = Config()
config.phase = FLAGS.phase
config.train_cnn = FLAGS.train_cnn
config.beam_size = FLAGS.beam_size
checkpoint_dir = config.checkpoint_dir
save_checkpoint_secs = config.save_checkpoint_secs
save_checkpoint_steps = config.save_checkpoint_steps
global_step = tf.train.get_or_create_global_step()
checkpoint_step = tf.assign_add(global_step, 1)
model = CaptionGenerator(config)
# with tf.Session() as sess:
with tf.train.MonitoredTrainingSession(
checkpoint_dir=checkpoint_dir,
save_checkpoint_steps=save_checkpoint_steps,
) as sess:
if FLAGS.phase == 'train':
# training phase
data = prepare_train_data(config)
# WIP modify load part
# if FLAGS.load:
# model.load(sess, FLAGS.model_file)
# if FLAGS.load_cnn:
# model.load_cnn(sess, FLAGS.cnn_model_file)
model.train(sess, data)
elif FLAGS.phase == 'eval':
# evaluation phase
coco, data, vocabulary = prepare_eval_data(config)
tf.get_default_graph().finalize()
model.eval(sess, coco, data, vocabulary)
else:
# testing phase
data, vocabulary = prepare_test_data(config)
tf.get_default_graph().finalize()
model.test(sess, data, vocabulary)
def run():
"""Runs evaluation in a loop, and logs summaries to TensorBoard."""
# Create the evaluation directory if it doesn't exist.
eval_dir = FLAGS.eval_dir
if not tf.gfile.IsDirectory(eval_dir):
tf.logging.info("Creating eval directory: %s", eval_dir)
tf.gfile.MakeDirs(eval_dir)
# build vocabulary file
vocab = vocabulary.Vocabulary(FLAGS.vocab_file)
g = tf.Graph()
with g.as_default():
config = Config()
config.input_file_pattern = FLAGS.input_file_pattern
config.beam_size = FLAGS.beam_size
# Build the model for evaluation.
model = CaptionGenerator(config, mode="eval")
model.build()
# Create the Saver to restore model Variables.
saver = tf.train.Saver()
# Create the summary writer.
summary_writer = tf.summary.FileWriter(eval_dir)
g.finalize()
# Run a new evaluation run every eval_interval_secs.
while True:
start = time.time()
tf.logging.info("Starting evaluation at " + time.strftime(
"%Y-%m-%d-%H:%M:%S", time.localtime()))
run_once(model,vocab, saver, summary_writer)
time_to_next_eval = start + FLAGS.eval_interval_secs - time.time()
if time_to_next_eval > 0:
time.sleep(time_to_next_eval)
def main(num_epochs=10, embedding_dim=256, data_dir="data/"):
""" Function to train the model.
Args:
num_epochs: int
Number of full dataset iterations to train the model.
embedding_dim: int
Output of the CNN model and input of the LSTM embedding size.
data_dir: str
Path to the folder of the data.
"""
device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
print(f"WORKING WITH: {device}")
# Define the paths for train and validation
train_json_path = data_dir + "annotations/captions_train2014.json"
train_root_dir = data_dir + "train2014"
valid_json_path = data_dir + "annotations/captions_val2014.json"
valid_root_dir = data_dir + "val2014"
transform = transforms.Compose([
transforms.RandomResizedCrop(224),
transforms.RandomHorizontalFlip(),
transforms.ToTensor(),
transforms.Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225])
])
train_dataset = CocoDataset(json_path=train_json_path,
root_dir=train_root_dir,
transform=transform)
train_coco_dataset = get_data_loader(train_dataset, batch_size=128)
valid_dataset = CocoDataset(json_path=valid_json_path,
root_dir=valid_root_dir,
transform=transform)
valid_coco_dataset = get_data_loader(valid_dataset, batch_size=1)
encoder = FeatureExtractor(embedding_dim).to(device)
decoder = CaptionGenerator(embedding_dim, 512,
len(train_dataset.vocabulary), 1).to(device)
criterion = nn.CrossEntropyLoss()
# params = list(decoder.parameters()) + list(encoder.linear.parameters()) + list(encoder.bn.parameters())
params = list(decoder.parameters()) + list(
encoder.linear.parameters()) + list(encoder.bn.parameters())
optimizer = optim.Adam(params, lr=0.01)
print(f"TRAIN DATASET: {len(train_coco_dataset)}")
print(f"VALID DATASET: {len(valid_coco_dataset)}")
total_step = len(train_coco_dataset)
for epoch in range(num_epochs):
encoder.train()
decoder.train()
train_loss = 0.0
valid_loss = 0.0
for i, (images, captions,
descriptions) in enumerate(train_coco_dataset):
# targets = pack_padded_sequence(caption, 0, batch_first=True)[0]
images = images.to(device)
captions = captions.to(device)
# targets = pack_padded_sequence(captions, lengths, batch_first=True)[0]
features = encoder(images)
outputs = decoder(features, captions)
loss = criterion(outputs.view(-1, len(train_dataset.vocabulary)),
captions.view(-1))
# bleu = calculate_bleu(decoder, features, descriptions, coco_dataset)
# print(bleu)
encoder.zero_grad()
decoder.zero_grad()
loss.backward()
optimizer.step()
# Print log info
train_loss += loss.item()
'''
if i % 10 == 0:
print('Epoch [{}/{}], Step [{}/{}], Loss: {:.4f}, Perplexity: {:5.4f}'
.format(epoch, num_epochs, i, total_step, loss.item(), np.exp(loss.item())))
'''
# Save the model checkpoints
if (i + 1) % 1000 == 0:
torch.save(
decoder.state_dict(),
os.path.join("models",
'decoder-{}-{}.ckpt'.format(epoch + 1,
i + 1)))
torch.save(
encoder.state_dict(),
os.path.join("models",
'encoder-{}-{}.ckpt'.format(epoch + 1,
i + 1)))
encoder.eval()
decoder.eval()
bleu = 0.0
for i, (images, captions,
descriptions) in enumerate(valid_coco_dataset):
if (i > 80000):
break
images = images.to(device)
captions = captions.to(device)
features = encoder(images)
outputs = decoder(features, captions)
loss = criterion(outputs.view(-1, len(train_dataset.vocabulary)),
captions.view(-1))
valid_loss += loss.item()
bleu += calculate_bleu(decoder, features, descriptions,
train_coco_dataset)
# print(f"BLEU: {bleu / 10000}")
print(
"Epoch: {}, Train Loss: {:.4f}, Valid Loss: {:.4f}, BLEU: {:.4f}".
format(epoch, train_loss / len(train_coco_dataset),
valid_loss / 80000, bleu / 80000))
# coding=utf-8
import os
import numpy as np
import tensorflow as tf
import cv2
from model import CaptionGenerator
import random
import re
from PIL import Image, ImageEnhance
import threading
with tf.Graph().as_default():
with tf.Session() as sess:
batchSize = 1
generator = CaptionGenerator(batchSize, dropout=False)
_, caption = generator.build_sampler()
sess.run(tf.global_variables_initializer())
saver = tf.train.Saver()
saver.restore(sess, 'step/model.ckpt-200')
files = os.listdir('3')
intFiles = []
for file in files:
intFiles.append(int(file.split('.')[0]))
intFiles.sort()
resultFile = open('result.txt', 'w')
for f in intFiles:
#print(f)
def main(argv):
start_time = time.time()
config = Config()
config.phase = FLAGS.phase
config.train_cnn = FLAGS.train_cnn
config.beam_size = FLAGS.beam_size
config.distributed = FLAGS.distributed
config.test_image_dir = os.path.join(FLAGS.node_root, 'images')
config.test_result_dir = os.path.join(FLAGS.node_root, 'results')
config.test_result_file = os.path.join(FLAGS.node_root, 'results.cvs')
config.replicas = len(FLAGS.worker_hosts.split(","))
if FLAGS.task_index == '':
config.task_index = 0
else:
config.task_index = int(FLAGS.task_index)
if FLAGS.phase == 'train':
# training phase
if FLAGS.distributed:
config.train_image_dir = FLAGS.input_path
ps_hosts = FLAGS.ps_hosts.split(",")
worker_hosts = FLAGS.worker_hosts.split(",")
# Create a cluster from the parameter server and worker hosts.
cluster = tf.train.ClusterSpec({
"ps": ps_hosts,
"worker": worker_hosts
})
# Create and start a server for the local task.
server = tf.train.Server(cluster,
job_name=FLAGS.job_name,
task_index=config.task_index)
#with tf.device(tf.train.replica_device_setter(cluster=cluster)):
# global_step = tf.Variable(0)
#with tf.device("/job:ps/task:0"):
# global_step = tf.Variable(0, name="global_step")
if FLAGS.job_name == "ps":
server.join()
elif FLAGS.job_name == "worker":
with tf.device(
tf.train.replica_device_setter(
worker_device="/job:worker/task:%d" %
config.task_index,
cluster=cluster)):
model = CaptionGenerator(config)
data = prepare_train_data(config)
init_op = tf.initialize_all_variables()
print "Variables Initialized ..."
begin = time.time()
#The StopAtStepHook handles stopping after running given steps.
hooks = [tf.train.StopAtStepHook(num_steps=1200000)]
# The MonitoredTrainingSession takes care of session initialization,
# restoring from a checkpoint, saving to a checkpoint, and closing when done
# or an error occurs.
with tf.train.MonitoredTrainingSession(
master=server.target,
is_chief=(config.task_index == 0),
checkpoint_dir=
"/home/mauro.emc/image_captioning/models",
hooks=hooks) as mon_sess:
if not os.path.exists(config.summary_dir):
os.mkdir(config.summary_dir)
train_writer = tf.summary.FileWriter(
config.summary_dir, mon_sess.graph)
print "Start the model training"
#while not mon_sess.should_stop():
model.train(mon_sess, data, train_writer,
config.task_index)
train_writer.close()
print "Model stopped train"
print("Train completed")
print("Total Time in secs: " + str(time.time() - begin))
else:
with tf.Session() as sess:
data = prepare_train_data(config)
model = CaptionGenerator(config)
sess.run(tf.global_variables_initializer())
if FLAGS.load:
model.load(sess, FLAGS.model_file)
if FLAGS.load_cnn:
model.load_cnn(sess, FLAGS.cnn_model_file)
tf.get_default_graph().finalize()
model.train(sess, data)
elif FLAGS.phase == 'eval':
with tf.Session() as sess:
# evaluation phase
coco, data, vocabulary = prepare_eval_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.eval(sess, coco, data, vocabulary)
else:
with tf.Session() as sess:
# testing phase
data, vocabulary = prepare_test_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.test(sess, data, vocabulary)
print 'Total time in seconds : ' + str(time.time() - start_time)
import tensorflow as tf from model import CaptionGenerator net = CaptionGenerator() sess = tf.Session() net.train(sess, )
def main(argv):
start_time = time.time()
config = Config()
config.phase = FLAGS.phase
config.train_cnn = FLAGS.train_cnn
config.beam_size = FLAGS.beam_size
config.distributed = FLAGS.distributed
config.test_image_dir = os.path.join(FLAGS.node_root, 'images')
config.test_result_dir = os.path.join(FLAGS.node_root, 'results')
config.test_result_file = os.path.join(FLAGS.node_root, 'results.cvs')
config.replicas = len(FLAGS.worker_hosts.split(","))
config.task_index = FLAGS.task_index
if FLAGS.phase == 'train':
# training phase
if FLAGS.distributed:
config.train_image_dir = FLAGS.input_path
print config.train_image_dir
ps_hosts = FLAGS.ps_hosts.split(",")
worker_hosts = FLAGS.worker_hosts.split(",")
# Create a cluster from the parameter server and worker hosts.
cluster = tf.train.ClusterSpec({
"ps": ps_hosts,
"worker": worker_hosts
})
# Create and start a server for the local task.
server = tf.train.Server(cluster,
job_name=FLAGS.job_name,
task_index=FLAGS.task_index)
if FLAGS.job_name == "ps":
server.join()
elif FLAGS.job_name == "worker":
with tf.device(
tf.train.replica_device_setter(
worker_device="/job:worker/task:%d" %
FLAGS.task_index,
cluster=cluster)):
tf.reset_default_graph()
global_step = tf.get_variable(
'global_step', [],
initializer=tf.constant_initializer(0),
trainable=False,
dtype=tf.int32)
data = prepare_train_data(config)
model = CaptionGenerator(config)
init_op = tf.initialize_all_variables()
is_chief = (FLAGS.task_index == 0)
# Create a "supervisor", which oversees the training process.
sv = tf.train.Supervisor(
is_chief=is_chief,
logdir="/home/mauro.emc/image_captioning/tmp/logs",
init_op=init_op,
global_step=global_step,
save_model_secs=600)
with sv.prepare_or_wait_for_session(server.target) as sess:
if is_chief:
sv.start_queue_runners(sess, [chief_queue_runner])
# Insert initial tokens to the queue.
sess.run(init_token_op)
sess.run(tf.global_variables_initializer())
model.train(sess, data)
sv.stop()
else:
with tf.Session() as sess:
data = prepare_train_data(config)
model = CaptionGenerator(config)
sess.run(tf.global_variables_initializer())
if FLAGS.load:
model.load(sess, FLAGS.model_file)
if FLAGS.load_cnn:
model.load_cnn(sess, FLAGS.cnn_model_file)
tf.get_default_graph().finalize()
model.train(sess, data)
elif FLAGS.phase == 'eval':
with tf.Session() as sess:
# evaluation phase
coco, data, vocabulary = prepare_eval_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.eval(sess, coco, data, vocabulary)
else:
with tf.Session() as sess:
# testing phase
data, vocabulary = prepare_test_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.test(sess, data, vocabulary)
print 'Total time in seconds : ' + str(time.time() - start_time)
def main(argv):
config = Config()
config.phase = FLAGS.phase
config.train_cnn = FLAGS.train_cnn
config.beam_size = FLAGS.beam_size
with tf.Session() as sess:
if FLAGS.phase == 'train':
# training phase
data = prepare_train_data(config)
model = CaptionGenerator(config)
sess.run(tf.global_variables_initializer())
if FLAGS.load:
model.load(sess, FLAGS.model_file)
if FLAGS.load_cnn:
model.load_cnn(sess, FLAGS.cnn_model_file)
tf.get_default_graph().finalize()
model.train(sess, data)
elif FLAGS.phase == 'eval':
# evaluation phase
coco, data, vocabulary = prepare_eval_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.eval(sess, coco, data, vocabulary)
elif FLAGS.phase == 'test_new_data':
# evaluation phase
coco, data, vocabulary = prepare_eval_new_data(
config.eval_caption_file_unsplash, config.eval_image_unsplash,
config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.eval_new_data(sess, coco, data, vocabulary,
config.eval_result_dir_unsplash,
config.eval_result_file_unsplash)
elif FLAGS.phase == 'test_new_data_vizwiz':
# evaluation phase
coco, data, vocabulary = prepare_eval_new_data(
config.eval_caption_file_vizwiz_train,
config.eval_image_vizwiz_train, config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.eval_new_data(sess, coco, data, vocabulary,
config.eval_result_dir_vizwiz_train,
config.eval_result_file_vizwiz_train)
elif FLAGS.phase == 'test_new_data_insta':
# evaluation phase
coco, data, vocabulary = prepare_eval_new_data(
config.eval_caption_file_insta, config.eval_image_insta,
config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.eval_new_data(sess, coco, data, vocabulary,
config.eval_result_dir_insta,
config.eval_result_file_insta)
elif FLAGS.phase == 'test_new_data_google_top_n':
# evaluation phase
coco, data, vocabulary = prepare_eval_new_data(
config.eval_caption_file_topN, config.eval_image_topN, config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.eval_new_data(sess, coco, data, vocabulary,
config.eval_result_dir_topN,
config.eval_result_file_topN)
else:
# testing phase
data, vocabulary = prepare_test_data(config)
model = CaptionGenerator(config)
model.load(sess, FLAGS.model_file)
tf.get_default_graph().finalize()
model.test(sess, data, vocabulary)
def setup_model():
destination = 'models/model.npy'
if not os.path.exists(destination):
download_file_from_google_drive(destination)
# setup_model()
config = Config()
config.beam_size = 3
config.phase = 'test'
config.train_cnn = False
sess = tf.Session()
model = CaptionGenerator(config)
model.load(sess)
tf.get_default_graph().finalize()
@app.route('/')
def index():
return render_template('index.html')
@app.route('/analyze', methods=['POST'])
def analyze():
f = request.files['file']
f.save(os.path.join('./test/images', f.filename))
data, vocabulary = prepare_test_data(config)