コード例 #1
0
def main(args):
    info('loading embedding vec')
    embedding = np.load(os.path.expanduser(args.embedding))

    info('constructing config')
    cfg = config(args, embedding)

    info('constructing graph')
    env = build_graph(cfg)

    info('initializing session')
    sess = tf.Session()
    sess.run(tf.global_variables_initializer(),
             feed_dict={cfg.embedding: embedding})
    sess.run(tf.local_variables_initializer())
    env.sess = sess

    info('loading data')
    (X_train, y_train), (X_test,
                         y_test), (X_valid,
                                   y_valid) = load_data(cfg.data, cfg.bipolar)

    info('training model')
    train(env,
          X_train,
          y_train,
          X_valid,
          y_valid,
          load=False,
          batch_size=cfg.batch_size,
          epochs=cfg.epochs,
          name=cfg.name)
    evaluate(env, X_test, y_test, batch_size=cfg.batch_size)
    env.sess.close()
コード例 #2
0
def main(args):
    info('loading embedding vec')
    embedding = np.load(os.path.expanduser(args.embedding))

    info('constructing config')
    cfg = config(args, embedding)

    info('constructing graph')
    env = build_graph(cfg)
    env.cfg = cfg

    info('initializing session')
    sess = tf.Session()
    sess.run(tf.global_variables_initializer(),
             feed_dict={cfg.embedding: embedding})
    sess.run(tf.local_variables_initializer())
    env.sess = sess

    info('loading data')
    (_, _), (X_data, y_data) = load_data(cfg.data, cfg.bipolar, -1)

    info('loading model')
    train(env, load=True, name=cfg.name)
    info('evaluating against clean test samples')
    evaluate(env, X_data, y_data, batch_size=cfg.batch_size)

    env.re = ReverseEmbedding(w2v_file=cfg.w2v, index_file=cfg.indexer)

    info('making adversarial texts')
    X_adv, X_sents = make_adversarial(env, X_data)
    info('evaluating against adversarial texts')
    evaluate(env, X_adv, y_data, batch_size=cfg.batch_size)
    y_adv = predict(env, X_adv, batch_size=cfg.batch_size)
    env.sess.close()
    postfn(cfg, X_sents, y_data, y_adv)
コード例 #3
0
def main(args):
    info('loading embedding vec')
    embedding = np.eye(args.vocab_size).astype(np.float32)

    info('constructing config')
    cfg = config(args, embedding)

    info('constructing graph')
    env = build_graph(cfg)
    env.cfg = cfg

    info('initializing session')
    sess = tf.Session()
    sess.run(tf.global_variables_initializer(),
             feed_dict={cfg.embedding: embedding})
    sess.run(tf.local_variables_initializer())
    env.sess = sess

    info('loading data')
    (_, _), (X_data, y_data) = load_data(os.path.expanduser(cfg.data),
                                         cfg.bipolar, validation_split=-1)

    info('loading model')
    train(env, load=True, name=cfg.name)
    info('evaluating against clean test samples')
    evaluate(env, X_data, y_data, batch_size=cfg.batch_size)
    info('making adversarial texts')
    X_adv = make_adversarial(env, X_data)
    X_adv = np.reshape(X_adv, (-1, cfg.charlen))
    y_data = np.tile(y_data, (cfg.beam_width, 1))
    info('evaluating against adversarial texts')
    evaluate(env, X_adv, y_data, batch_size=cfg.batch_size)
    y_adv = predict(env, X_adv, batch_size=cfg.batch_size)
    env.sess.close()
    info('recover chars from indices')
    X_sents = index2char(X_adv, unk=cfg.unk)
    postfn(cfg, X_sents, y_data, y_adv)
コード例 #4
0
def main(args):
    info('loading embedding vec')
    embedding = np.eye(args.vocab_size).astype(np.float32)

    info('constructing config')
    cfg = config(args, embedding)

    info('constructing graph')
    env = build_graph(cfg)

    info('initializing session')
    sess = tf.Session()
    sess.run(tf.global_variables_initializer(),
             feed_dict={cfg.embedding: embedding})
    sess.run(tf.local_variables_initializer())
    env.sess = sess

    info('loading data {}'.format(cfg.data))
    X_test, y_test = load_data(cfg.data, cfg.bipolar, -1)

    info('training model')
    train(env, load=True, name=cfg.name)
    evaluate(env, X_test, y_test, batch_size=cfg.batch_size)
    env.sess.close()
コード例 #5
0
ファイル: train.py プロジェクト: ChoiDM/BraTs
#NOTE: main loop for training
if __name__ == "__main__":
    # Option
    opt = parse_option(print_option=True)

    # Data Loader
    dataset_trn, dataset_val = get_dataloader(opt)

    # Network
    net = create_model(opt)

    # Loss Function
    criterion = get_loss_function(opt)

    # Optimizer
    optimizer = get_optimizer(net, criterion, opt)
    scheduler = CosineAnnealingLR(optimizer, eta_min=opt.lr*opt.eta_min_ratio, T_max=(opt.max_epoch - opt.lr_warmup_epoch))

    # Initial Best Score
    best_dice, best_epoch = [0, 0]

    for epoch in range(opt.start_epoch, opt.max_epoch):
        # Train
        train(net, dataset_trn, optimizer, criterion, epoch, opt)

        # Evaluate
        best_dice, best_epoch = validate(dataset_val, net, criterion, optimizer, epoch, opt, best_dice, best_epoch)

        lr_update(epoch, opt, optimizer, scheduler)

    print('Training done')