def train_autokeras(RESIZE_TRAIN_IMG_DIR, TRAIN_CSV_DIR, RESIZE_TEST_IMG_DIR,
                    TEST_CSV_DIR, TIME):
    #Load images
    train_data, train_labels = load_image_dataset(
        csv_file_path=TRAIN_CSV_DIR, images_path=RESIZE_TRAIN_IMG_DIR)
    test_data, test_labels = load_image_dataset(
        csv_file_path=TEST_CSV_DIR, images_path=RESIZE_TEST_IMG_DIR)

    train_data = train_data.astype('float32') / 255
    test_data = test_data.astype('float32') / 255
    print("Train data shape:", train_data.shape)

    clf = ImageClassifier(verbose=True)
    clf.fit(train_data, train_labels, time_limit=TIME)
    clf.final_fit(train_data,
                  train_labels,
                  test_data,
                  test_labels,
                  retrain=True)

    y = clf.evaluate(test_data, test_labels)
    print("Evaluate:", y)

    #Predict the category of the test image
    img = load_img(PREDICT_IMG_PATH)
    x = img_to_array(img)
    x = x.astype('float32') / 255
    x = np.reshape(x, (1, RESIZE, RESIZE, 3))
    print("x shape:", x.shape)

    y = clf.predict(x)
    print("predict:", y)

    clf.load_searcher().load_best_model().produce_keras_model().save(MODEL_DIR)

    #Save model architecture diagram
    model = load_model(MODEL_DIR)
    plot_model(model, to_file=MODEL_PNG)
Beispiel #2
0
y_test = []

base_path = "../data-deep-fashion-women/img/"

#Load the data from local file into a dataframe
df = pd.read_csv('../data-deep-fashion-women/img/WOMEN/labels_test.csv')
print(len(df))

for index, row in df.iterrows():
    #print(row[0], row[1])
    ss = base_path + row[0]
    #print(ss)
    img = image.load_img(ss, target_size=(224, 224))
    img_data = image.img_to_array(img)
    image_data_np = np.array(img_data)
    x_test.append(image_data_np)
    y_test.append(row[1])

from autokeras.image.image_supervised import load_image_dataset
from autokeras.image.image_supervised import ImageClassifier

clf = ImageClassifier(verbose=True)
clf.fit(x_train, y_train, time_limit=10 * 60 * 60)  # 10 hours
clf.final_fit(x_train, y_train, x_test, y_test, retrain=True)
y = clf.evaluate(x_test, y_test)
print(y)

clf.export_autokeras_model('./_models/nas_1.h5')
clf.export_keras_model('./_models/nas_2.h5')
clf.load_searcher().load_best_model().produce_keras_model().save(
    './_models/nas_3.h5')