Esempio n. 1
0
parser = argparse.ArgumentParser(description='Compare to Tesseract OCR')
parser.add_argument('-m',
                    '--model',
                    metavar='m',
                    type=str,
                    default='model.pth')
parser.add_argument('input_dir', type=str, help='Input directory')

args = parser.parse_args()

device = torch.device('cpu')

dataset = data.MyDataset(args.input_dir)

net = model.MyNet().to(device)
net.load_state_dict(torch.load(args.model, map_location='cpu'))
net.eval()
torch.no_grad()

time_sum_tess = 0
time_sum_mynet = 0

accuracy_sum_tess = 0.0
accuracy_sum_mynet = 0.0

accuracy_worst_tess = float('inf')
accuracy_worst_mynet = float('inf')

num_total = 0
import pandas as pd
import torch
import model
import processData

if __name__ == "__main__":
    dp = processData.DataProcessing()
    train_x, train_y = dp.load_data('data/train.csv')
    test_x = dp.load_data('data/test.csv')

    model = model.MyNet()
    model.train(train_x, train_y, 100)
    model.write_result(test_x)


Esempio n. 3
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def train_on_cpu():

    #merged = tf.summary.merge_all()
    #print(merged)

    p1 = tf.placeholder(tf.float32, [None, 20, 40, 3])
    p2 = tf.placeholder(tf.float32, [None, 8, 10])
    p3 = tf.placeholder(tf.float32, [None, 10])
    label = tf.placeholder(tf.float32, [None, 1])
    y_pred = m.MyNet(p1, p2, p3)

    #mse = tf.reduce_sum((label -y_pred)**2)
    mse = tf.losses.mean_squared_error(label, y_pred)
    mse_train_summary = tf.summary.scalar('train mse', mse)
    mse_test_summary = tf.summary.scalar('test mse', mse)
    mse_train_hist = tf.summary.histogram('train_mse_hist', mse)
    mse_test_hist = tf.summary.histogram('test_mse_hist', mse)

    #mse = tf.nn.l2_loss(label,y_pred)
    train_opti = tf.train.AdamOptimizer(1e-4).minimize(mse)

    saver = tf.train.Saver(max_to_keep=10)

    sess.run(tf.global_variables_initializer())
    # Compute for epochs.
    all_train_steps = 0
    all_test_steps = 0
    if C.RESTORE_MODEL:
        saver.restore(sess, tf.train.latest_checkpoint(C.LOAD_MODEL_PATH))
        # search for checkpoint file
        print("模型开始增量训练====>")
        graph = tf.get_default_graph()
    for i in range(C.EPOCHS):
        train_next_element = get_data(C.TRAIN_RECODER_PATH)
        test_next_element = get_data(C.TEST_RECODER_PATH)
        train_bacth_per_epoch = 0
        while True:
            try:
                train_bacth_per_epoch += 1
                all_train_steps += 1

                train_mse_loss = get_loss(train_next_element, p1, p2, p3,
                                          label, mse, train_opti,
                                          all_train_steps, train_writer,
                                          mse_train_summary, mse_train_hist)

                print("Train Epoch {} Batch {} All steps {}: "
                      "MSE ==> {}".format(i + 1, train_bacth_per_epoch,
                                          all_train_steps, train_mse_loss))

                if all_train_steps % C.SAVE_FREQUENCY == 0:
                    print("model is saved at all train step {}".format(
                        all_train_steps))
                    saver.save(sess,
                               C.REGTRSSION_MODEL_SAVE_PATH,
                               global_step=C.MAX_STEP)

            except tf.errors.OutOfRangeError:
                break

        test_loss = 0
        test_batchs = 0
        while True:
            try:
                all_test_steps += 1
                test_mse_loss = get_loss(test_next_element, p1, p2, p3, label,
                                         mse, train_opti, all_test_steps,
                                         test_writer, mse_test_summary,
                                         mse_test_hist)
                test_loss += test_mse_loss
                test_batchs += 1
                print("Test batch {} : MSE ==> {}".format(
                    test_batchs, test_mse_loss))
                #tf.summary.histogram('test_mse_loss_steps', test_mse_loss)

            except tf.errors.OutOfRangeError:
                break
        test_loss_ave = test_loss / test_batchs
        print("Epoch {} : All Test Data Average MSE {}".format(
            i + 1, test_loss_ave))

    test_writer.close()
    train_writer.close()
Esempio n. 4
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def train_on_gpu():
    with tf.device("/cpu:0"):
        global_step = tf.train.get_or_create_global_step()
        tower_grads = []
        p1 = tf.placeholder(tf.float32, [None, 20, 40, 3])
        p2 = tf.placeholder(tf.float32, [None, 8, 10])
        p3 = tf.placeholder(tf.float32, [None, 10])
        label = tf.placeholder(tf.float32, [None, 1])

        train_opti = tf.train.AdamOptimizer(1e-4)

        saver = tf.train.Saver(max_to_keep=10)

        with tf.variable_scope(tf.get_variable_scope()):
            for i in range(num_gpus):
                #with tf.device(assign_to_device('/gpu:{}'.format(i), ps_device='/cpu:0')):
                with tf.device('/gpu:{}'.format(i)):
                    print(
                        "assign_to_device====>>>>",
                        assign_to_device('/gpu:{}'.format(i),
                                         ps_device='/cpu:0'))
                    _x1 = p1[i * C.BATCH_SIZE:(i + 1) * C.BATCH_SIZE]

                    _x2 = p2[i * C.BATCH_SIZE:(i + 1) * C.BATCH_SIZE]

                    _x3 = p3[i * C.BATCH_SIZE:(i + 1) * C.BATCH_SIZE]

                    _y = label[i * C.BATCH_SIZE:(i + 1) * C.BATCH_SIZE]
                    y_pred = m.MyNet(_x1, _x2, _x3)

                    tf.get_variable_scope().reuse_variables()
                    mse = tf.losses.mean_squared_error(_y, y_pred)

                    grads = train_opti.compute_gradients(mse)
                    tower_grads.append(grads)

        grads = average_gradients(tower_grads)
        train_opti = train_opti.apply_gradients(grads)

        sess.run(tf.global_variables_initializer())
        # Compute for epochs.
        all_train_steps = 0
        all_test_steps = 0
        if C.RESTORE_MODEL:
            saver.restore(sess, tf.train.latest_checkpoint(C.LOAD_MODEL_PATH))
            #search for checkpoint file
            print("模型开始增量训练====>")
            graph = tf.get_default_graph()
        for i in range(C.EPOCHS):
            train_next_element = get_data_gpu(C.TRAIN_RECODER_PATH,
                                              num_gpus * C.BATCH_SIZE)
            test_next_element = get_data(C.TEST_RECODER_PATH)
            train_bacth_per_epoch = 0
            while True:
                try:
                    train_bacth_per_epoch += 1
                    all_train_steps += 1
                    mse_train_summary = tf.summary.scalar('train mse', mse)
                    mse_test_summary = tf.summary.scalar('test mse', mse)
                    mse_train_hist = tf.summary.histogram(
                        'train_mse_hist', mse)
                    mse_test_hist = tf.summary.histogram('test_mse_hist', mse)

                    train_mse_loss = get_loss(train_next_element, p1, p2, p3,
                                              label, mse, train_opti,
                                              all_train_steps, train_writer,
                                              mse_train_summary,
                                              mse_train_hist)
                    if all_train_steps % 500 == 0:
                        print("Train Epoch {} Batch {} All steps {}: "
                              "MSE ==> {}".format(i + 1, train_bacth_per_epoch,
                                                  all_train_steps,
                                                  train_mse_loss))

                    if all_train_steps % C.SAVE_FREQUENCY == 0:
                        # print("model is saved at all train step {}".format(all_train_steps))
                        saver.save(sess,
                                   C.REGTRSSION_MODEL_SAVE_PATH,
                                   global_step=C.MAX_STEP)

                except tf.errors.OutOfRangeError:
                    break

            test_loss = 0
            test_batchs = 0
            while True:
                try:
                    all_test_steps += 1
                    test_mse_loss = get_loss(test_next_element, p1, p2, p3,
                                             label, mse, train_opti,
                                             all_test_steps, test_writer,
                                             mse_test_summary, mse_test_hist)
                    test_loss += test_mse_loss
                    test_batchs += 1
                    # print("Test batch {} : MSE ==> {}".format(test_batchs, test_mse_loss))
                    # tf.summary.histogram('test_mse_loss_steps', test_mse_loss)

                except tf.errors.OutOfRangeError:
                    break
            test_loss_ave = test_loss / test_batchs
            print("Epoch {} : All Test Data Average MSE {}".format(
                i + 1, test_loss_ave))

        test_writer.close()
        train_writer.close()