Пример #1
0
def read_datasets(args):
    imdb, roidb = read_db(args.imdb_name)
    #print('{:d} roidb entries'.format(len(roidb)))

    # output directory where the models are saved
    #output_dir = get_output_dir(imdb, args.tag)
    #output_dir = args.model
    #print('Output will be saved to `{:s}`'.format(output_dir))

    # tensorboard directory where the summaries are saved during training
    tb_dir = get_output_tb_dir(imdb, args.tag)
    print('TensorFlow summaries will be saved to `{:s}`'.format(tb_dir))

    # also add the validation set, but with no flipping images
    orgflip = cfg.TRAIN.USE_FLIPPED
    cfg.TRAIN.USE_FLIPPED = False
    #imdb, valroidb = read_db(args.imdbval_name)

    print('{:d} validation roidb entries'.format(len(valroidb)))
    cfg.TRAIN.USE_FLIPPED = orgflip

    return imdb, roidb
Пример #2
0
        images, labels = imdb.get()
        queue_out.put([images, labels])


imdb = ilsvrc_cls('train', data_aug=True, multithread=cfg.MULTITHREAD)
val_imdb = ilsvrc_cls('val', batch_size=64)
# set up child process for getting validation data
queue_in = Queue()
queue_out = Queue()
val_data_process = Process(target=get_validation_process,
                           args=(val_imdb, queue_in, queue_out))
val_data_process.start()
queue_in.put(True)  # start getting the first batch

CKPTS_DIR = cfg.get_ckpts_dir('darknet19', imdb.name)
TENSORBOARD_TRAIN_DIR, TENSORBOARD_VAL_DIR = cfg.get_output_tb_dir(
    'darknet19', imdb.name)


input_data = tf.placeholder(tf.float32, [None, 224, 224, 3])
label_data = tf.placeholder(tf.int32, None)
is_training = tf.placeholder(tf.bool)

logits = darknet19(input_data, is_training=is_training)
loss = tf.nn.sparse_softmax_cross_entropy_with_logits(
    labels=label_data, logits=logits)
loss = tf.reduce_mean(loss)

update_ops = tf.get_collection(tf.GraphKeys.UPDATE_OPS)
with tf.control_dependencies(update_ops):
    # train_op = tf.train.AdamOptimizer(0.0005).minimize(loss)
    train_op = tf.train.MomentumOptimizer(0.001, 0.9).minimize(loss)
Пример #3
0
imdb = ilsvrc_cls('train',
                  multithread=cfg.MULTITHREAD,
                  batch_size=TRAIN_BATCH_SIZE,
                  image_size=299,
                  random_noise=True)
val_imdb = ilsvrc_cls('val', batch_size=18, image_size=299, random_noise=True)
# set up child process for getting validation data
queue_in = Queue()
queue_out = Queue()
val_data_process = Process(target=get_validation_process,
                           args=(val_imdb, queue_in, queue_out))
val_data_process.start()
queue_in.put(True)  # start getting the first batch

CKPTS_DIR = cfg.get_ckpts_dir('inception_resnet', imdb.name)
TENSORBOARD_TRAIN_DIR, TENSORBOARD_VAL_DIR = cfg.get_output_tb_dir(
    'inception_resnet', imdb.name)
TENSORBOARD_TRAIN_ADV_DIR = os.path.abspath(
    os.path.join(cfg.ROOT_DIR, 'tensorboard', 'inception_resnet', imdb.name,
                 'train_adv'))
if not os.path.exists(TENSORBOARD_TRAIN_ADV_DIR):
    os.makedirs(TENSORBOARD_TRAIN_ADV_DIR)
TENSORBOARD_VAL_ADV_DIR = os.path.abspath(
    os.path.join(cfg.ROOT_DIR, 'tensorboard', 'inception_resnet', imdb.name,
                 'val_adv'))
if not os.path.exists(TENSORBOARD_VAL_ADV_DIR):
    os.makedirs(TENSORBOARD_VAL_ADV_DIR)

g_inception_resnet = tf.Graph()
with g_inception_resnet.as_default():
    input_data = tf.placeholder(tf.float32, [None, 299, 299, 15])
    label_data = tf.placeholder(tf.int32, None)
# Initialize Session #
######################
tfconfig = tf.ConfigProto(allow_soft_placement=True)
tfconfig.gpu_options.allow_growth = True
sess = tf.Session(config=tfconfig)

sess.run(init_op)

# last_iter_num = get_tf_variables(sess)
last_iter_num = 0

cur_saver = tf.train.Saver()

# generate summary on tensorboard
merged = tf.summary.merge_all()
tb_dir = cfg.get_output_tb_dir('darknet19', "imagenet")
train_writer = tf.summary.FileWriter(tb_dir, sess.graph)

# TOTAL_ITER = ADD_ITER + last_iter_num
# T = Timer()
# T.tic()
# for i in range(last_iter_num + 1, TOTAL_ITER + 1):
#     print("here")
#     summary, loss_value = \
#         sess.run([merged, loss])
#     print("and here")
#     # if i>10:
#     train_writer.add_summary(summary, i)
#     if i % 1 == 0:
#         _time = T.toc(average=False)
#         print('iter {:d}/{:d}, total loss: {:.3}, take {:.2}s'.format(i, TOTAL_ITER, loss_value, _time))
Пример #5
0
    img_size = resnet_v1.resnet_v1.default_image_size

    # train set
    print("Setting up image reader...")
    data_reader = deepscores_classification_datareader.class_dataset_reader(
        cfg.DATA_DIR + "/DeepScores_2017/DeepScores_classification",
        pad_to=[img_size, img_size])

    imdb = imdb("DeepScores_2017")
    # output directory where the models are saved
    output_dir = get_output_dir(imdb, args.tag)
    print('Output will be saved to `{:s}`'.format(output_dir))

    # tensorboard directory where the summaries are saved during training
    tb_dir = get_output_tb_dir(imdb, args.tag)
    print('TensorFlow summaries will be saved to `{:s}`'.format(tb_dir))

    num_classes = 124

    config = tf.ConfigProto()
    config.gpu_options.allow_growth = True
    sess = tf.Session(config=config)

    # Get the selected model.
    # Some of they require pre-trained ResNet
    print("Preparing the model ...")
    input = tf.placeholder(tf.float32, shape=[None, img_size, img_size, 1])
    label = tf.placeholder(tf.int32, shape=[None, num_classes])

    network = None
# print 'Initializing new variables to train from imagenet trained model'
# sess.run(init_op)
# saver.restore(sess, os.path.join(LOAD_CKPTS_DIR, 'train_epoch_98.ckpt'))

last_iter_num = restore_darknet19_variables(sess,
                                            imdb,
                                            net_name='darknet19',
                                            save_epoch=False)
####################################################################################

cur_saver = tf.train.Saver()

# generate summary on tensorboard
merged = tf.summary.merge_all()
tb_dir, _ = cfg.get_output_tb_dir('darknet19', imdb.name, val=False)
train_writer = tf.summary.FileWriter(tb_dir, sess.graph)

TOTAL_ITER = ADD_ITER + last_iter_num
T = Timer()
T.tic()
for i in range(last_iter_num + 1, TOTAL_ITER + 1):

    image, gt_labels = imdb.get()

    summary, loss_value, _, ious_value, object_mask_value = \
        sess.run([merged, loss, train_op, ious, object_mask],
                 {input_data: image, label_data: gt_labels, is_training: 1})
    # if i>10:
    train_writer.add_summary(summary, i)
    if i % 10 == 0:
Пример #7
0
        images, labels = imdb.get()
        queue_out.put([images, labels])


imdb = ilsvrc_cls('train', data_aug=True, multithread=cfg.MULTITHREAD, batch_size=32)
val_imdb = ilsvrc_cls('val', batch_size=32)
# set up child process for getting validation data
queue_in = Queue()
queue_out = Queue()
val_data_process = Process(target=get_validation_process,
                           args=(val_imdb, queue_in, queue_out))
val_data_process.start()
queue_in.put(True)  # start getting the first batch

CKPTS_DIR = cfg.get_ckpts_dir('resnet50', imdb.name)
TENSORBOARD_TRAIN_DIR, TENSORBOARD_VAL_DIR = cfg.get_output_tb_dir(
    'resnet50', imdb.name)

input_data = tf.placeholder(tf.float32, [None, 224, 224, 3])
label_data = tf.placeholder(tf.int32, None)
is_training = tf.placeholder(tf.bool)

with slim.arg_scope(resnet_v1.resnet_arg_scope()):
    logits, end_points = resnet_v1_50(input_data, num_classes=imdb.num_class,
                                      is_training=is_training, global_pool=True)
loss = tf.nn.sparse_softmax_cross_entropy_with_logits(
    labels=label_data, logits=logits)
loss = tf.reduce_mean(loss)

vars_to_train = tf.get_collection(tf.GraphKeys.GLOBAL_VARIABLES, scope='resnet_v1_50/logits')
assert len(vars_to_train) != 0
print "###vars to train###:", vars_to_train
######################
# Initialize Session #
######################
tfconfig = tf.ConfigProto(allow_soft_placement=True)
tfconfig.gpu_options.allow_growth = True
sess = tf.Session(config=tfconfig)

last_iter_num = restore_resnet_tf_variables(
    sess, imdb, 'resnet50', save_epoch=False)

cur_saver = tf.train.Saver()

# generate summary on tensorboard
merged = tf.summary.merge_all()
tb_dir, _ = cfg.get_output_tb_dir('resnet50', imdb.name, val=False)
train_writer = tf.summary.FileWriter(tb_dir, sess.graph)

TOTAL_ITER = ADD_ITER + last_iter_num
T = Timer()
T.tic()
for i in range(last_iter_num + 1, TOTAL_ITER + 1):

    image, gt_labels = imdb.get()

    summary, loss_value, _, ious_value, object_mask_value = \
        sess.run([merged, loss, train_op, ious, object_mask],
                 {input_data: image, label_data: gt_labels})
    # if i>10:
    train_writer.add_summary(summary, i)
    if i % 10 == 0: