def main(_):

    config = ModelConfig("inference")
    config.keep_prob = 1.0  # desactivate the dropout

    test_images, test_annotations = inputs.input_pipeline(TFR_DIR, VAL_FILE_PATTERN,
                                    num_classes=config.num_classes, batch_size=BATCH_SIZE)

    data = tf.placeholder(tf.string, [])
    target = tf.placeholder(tf.float32, [None, config.num_classes])

    model = MLClassifier(config, data, target)
    model.build()

    sess = tf.Session()

    sess.run(tf.local_variables_initializer())
    model.restore_fc(sess)
    model.restore_inception(sess)

    coord = tf.train.Coordinator()
    threads = tf.train.start_queue_runners(sess=sess, coord=coord)

    num_steps = int((1028)/BATCH_SIZE) # (1 shards * nb examples per shard)

    for n in range(num_steps):
        print("Running inference on image %d" % n)
        image, annotation = sess.run([test_images, test_annotations])
        with open(os.path.join(IMAGE_DIR, image[0].decode('utf8')), 'rb') as f:
            image_data = f.read()

        fetches = {'auc_ops': model.auc_op}
        feed_dict = {data: image_data, target: annotation}
        v = sess.run(fetches, feed_dict)

    fetches = {'mean_auc': model.mean_auc, 'auc': model.auc}
    v = sess.run(fetches)
    print("Mean AUC %f" % v['mean_auc'])
    print("Labels AUC")
    print(v['auc'])

    # store result in csv
    dataframe = {'model':FLAGS.model_str,
                'mean AUC': v['mean_auc']}
    for i, k in enumerate(v['auc']):
        label = model.vocabulary.id_to_word(i)
        dataframe[label] = k
    if not os.path.isfile('results.csv'):
        df = pd.DataFrame(dataframe, columns=dataframe.keys(), index=[0])
        df.to_csv('results.csv', index=False)
    else:
        df = pd.read_csv('results.csv')
        len_df = len(df)
        df_buffer = pd.DataFrame(dataframe, columns=dataframe.keys(), index=[len_df+1])
        concat = pd.concat([df, df_buffer])
        concat.to_csv('results.csv', index=False)

    coord.request_stop()
    coord.join(threads)
    sess.close()
示例#2
0
文件: main.py 项目: zzundark/densenet
def main():
    input = input_pipeline()
    print("ready input pipeline")
    net = densenet()
    _solver = solver(net, input, './log')
    _solver.train_and_test()
示例#3
0
                str(args.num_epochs) + '-learningrate_' + str(args.start_lr) +
                '-decay_' + str(lr_decay) + '-activation_' + args.activation +
                '-keepprob_' + str(args.keep_prob))
tensor_logdir = os.path.join(file_path, 'summaries', dir_path,
                             str(time.time()))

# Load test data.
if test_dataset:
    test_data = inputs.test_data(test_dataset, n_classes,
                                 args.label_first_column, args.skip_rows)

# Inputs.
if input_method == 'pipeline':
    batches = inputs.input_pipeline(training_datasets,
                                    n_features,
                                    args.skip_rows,
                                    args.batch_size,
                                    n_threads,
                                    num_epochs=args.num_epochs)
    x = batches[0]
    y_ = tf.one_hot(batches[1], n_classes)

elif input_method == 'oldschool':
    x = tf.placeholder(tf.float32, [None, n_features], name='input_x')
    y_ = tf.placeholder(tf.float32, [None, n_classes], name='input_y')

elif input_method == 'dataset':
    dataset = inputs.get_tfrecord_dataset(training_datasets,
                                          args.batch_size,
                                          args.num_epochs,
                                          args.skip_rows,
                                          n_threads=n_threads)
def main(_):

    if tf.gfile.IsDirectory(LOG_DIR):
        tf.gfile.DeleteRecursively(LOG_DIR)

    if not tf.gfile.IsDirectory(LOG_DIR):
        tf.logging.info("Creating output directory: %s" % LOG_DIR)
        tf.gfile.MakeDirs(LOG_DIR)

    config = ModelConfig("train")

    train_images, train_annotations = inputs.input_pipeline(
        TFR_DIR,
        TRAIN_FILE_PATTERN,
        num_classes=config.num_classes,
        batch_size=BATCH_SIZE)

    val_images, val_annotations = inputs.input_pipeline(
        TFR_DIR,
        VAL_FILE_PATTERN,
        num_classes=config.num_classes,
        batch_size=2056)

    data = tf.placeholder(tf.float32, [None, config.bottleneck_dim])
    target = tf.placeholder(tf.float32, [None, config.num_classes])

    model = MLClassifier(config, data, target)
    model.build()

    merged = tf.summary.merge_all()
    saver = tf.train.Saver()

    sess = tf.Session()

    sess.run(tf.global_variables_initializer())
    sess.run(tf.local_variables_initializer())

    train_writer = tf.summary.FileWriter(LOG_DIR + '/train', sess.graph)
    test_writer = tf.summary.FileWriter(LOG_DIR + '/test')

    coord = tf.train.Coordinator()
    threads = tf.train.start_queue_runners(sess=sess, coord=coord)

    print("%s Start training." % datetime.now())

    num_batch_per_epoch = int(
        (9 * 2056) /
        BATCH_SIZE)  # (nb shards * nb examples per shard) / batch size
    num_steps = NUM_EPOCH * num_batch_per_epoch

    for n in range(num_steps):
        images, annotations = sess.run([train_images, train_annotations])
        bottlenecks = inputs.get_bottlenecks(images, BOTTLENECK_DIR)
        fetches = {
            'opt': model.optimize,
            'loss': model.loss,
            'summary': merged
        }
        feed_dict = {data: bottlenecks, target: annotations}
        v = sess.run(fetches, feed_dict)
        if n % 10 == 0:
            print('Loss: %f' % v['loss'])
            train_writer.add_summary(v['summary'], n)

        if n % 100 == 0:
            images, annotations = sess.run([val_images, val_annotations])
            bottlenecks = inputs.get_bottlenecks(images, BOTTLENECK_DIR)
            fetches = {'auc_ops': model.auc_op, 'summary': merged}
            feed_dict = {data: bottlenecks, target: annotations}
            v = sess.run(fetches, feed_dict)
            mean_auc = sess.run(model.mean_auc)
            print("%s - Validation : Mean AUC : %f" %
                  (datetime.now(), mean_auc))
            test_writer.add_summary(v['summary'], n)

    save_path = saver.save(sess, os.path.join(LOG_DIR, 'model.ckpt'))
    print("Model saved in file: %s" % save_path)

    coord.request_stop()
    coord.join(threads)
    sess.close()
示例#5
0
def main():
    parser = argparse.ArgumentParser()
    parser.add_argument('--epoch', default=10, type=int)
    #default=0은 input_pipeline에서 batch size를 자동 조정(각 데이터 셋 수의 10%)
    parser.add_argument('--train_batch_size', default=0, type=int)
    parser.add_argument('--valid_batch_size', default=0, type=int)
    parser.add_argument('--test_batch_size', default=0, type=int)

    args = parser.parse_args()

    if args.epoch != cfg.MAX_EPOCH:
        cfg.MAX_EPOCH = args.epoch
    if args.train_batch_size != cfg.TRAIN_BATCH_SIZE:
        cfg.TRAIN_BATCH_SIZE = args.train_batch_size
    if args.valid_batch_size != cfg.VALID_BATCH_SIZE:
        cfg.VALID_BATCH_SIZE = args.valid_batch_size
    if args.test_batch_size != cfg.TEST_BATCH_SIZE:
        cfg.TEST_BATCH_SIZE = args.test_batch_size

    total_train_size, total_valid_size, total_test_size, train_batch, valid_batch, test_batch = input.input_pipeline(
        cfg.DATASET_PATH,
        cfg.NUM_LABELS,
        cfg.NUM_DIM,
        train_split_ratio=0.6,
        valid_split_ratio=0.2,
        test_split_ratio=0.2)
    print("total train set size: %d/train batch size:%d\n" %
          (total_train_size, cfg.TRAIN_BATCH_SIZE))
    print("total valid set size: %d/valid batch size:%d\n" %
          (total_valid_size, cfg.VALID_BATCH_SIZE))
    print("total test set size: %d/test batch size:%d\n" %
          (total_test_size, cfg.TEST_BATCH_SIZE))

    print("input pipeline ready")
    net = model(cfg.NUM_LABELS, cfg.NUM_DIM)
    print("build_networks")
    _solver = solver(net, cfg.LOGS_PATH)
    print("train")
    max_index = _solver.train_split(cfg.MAX_EPOCH, train_batch, valid_batch,
                                    total_train_size, cfg.TRAIN_BATCH_SIZE,
                                    total_valid_size, cfg.VALID_BATCH_SIZE)

    print("test")
    _solver.test(test_batch, total_test_size, cfg.TEST_BATCH_SIZE, max_index)

    _solver.close()
    print("end")
def main(_):

    config = ModelConfig("train")
    config.keep_prob = 1.0  # desactivate the dropout

    test_images, test_annotations = inputs.input_pipeline(
        TFR_DIR,
        TEST_FILE_PATTERN,
        num_classes=config.num_classes,
        batch_size=BATCH_SIZE)

    data = tf.placeholder(tf.float32, [None, config.bottleneck_dim])
    target = tf.placeholder(tf.float32, [None, config.num_classes])

    model = MLClassifier(config, data, target)
    model.build()

    sess = tf.Session()

    sess.run(tf.local_variables_initializer())
    model.restore_fc(sess)

    coord = tf.train.Coordinator()
    threads = tf.train.start_queue_runners(sess=sess, coord=coord)

    print("%s Running test..." % datetime.now())

    num_steps = int(
        (4 * 1028) / BATCH_SIZE)  # (nb shards * nb examples per shard)

    for n in range(num_steps):
        images, annotations = sess.run([test_images, test_annotations])
        bottlenecks = inputs.get_bottlenecks(images, BOTTLENECK_DIR)
        fetches = {'auc_ops': model.auc_op}
        feed_dict = {data: bottlenecks, target: annotations}
        v = sess.run(fetches, feed_dict)

    fetches = {'mean_auc': model.mean_auc, 'auc': model.auc}
    v = sess.run(fetches)
    print("Mean AUC %f" % v['mean_auc'])
    print("Labels AUC")
    print(v['auc'])

    # store result in csv
    dataframe = {'model': FLAGS.model_str, 'mean_auc': v['mean_auc']}

    for i, k in enumerate(v['auc']):
        label = model.vocabulary.id_to_word(i)
        dataframe[label] = k

    if not os.path.isfile('results.csv'):
        df = pd.DataFrame(dataframe, columns=dataframe.keys(), index=[0])
        df.to_csv('results.csv', index=False)

    else:
        df = pd.read_csv('results.csv')
        len_df = len(df)
        df_buffer = pd.DataFrame(dataframe,
                                 columns=dataframe.keys(),
                                 index=[len_df + 1])
        concat = pd.concat([df, df_buffer])
        concat.to_csv('results.csv', index=False)

    coord.request_stop()
    coord.join(threads)
    sess.close()
示例#7
0
def main():
    input = input_pipeline()
    print("ready input pipeline")
    net = softmax_regression()
    _solver = solver(net, input, './log')
    _solver.train_and_test()