示例#1
0
                                 monitor='val_acc',
                                 verbose=1,
                                 save_best_only=True)
    early_stop = EarlyStopping(monitor='val_loss',
                               min_delta=0,
                               patience=20,
                               verbose=0,
                               mode='auto')

    # this is the augmentation configuration we will use for training
    train_datagen = ImageDataGenerator(
        samplewise_center=True,  # 输入数据集去中心化,按feature执行
        rescale=1. / 255,  # 重缩放因子
        shear_range=0.1,  # 剪切强度(逆时针方向的剪切变换角度)
        zoom_range=0.1,  # 随机缩放的幅度
        rotation_range=10.,  # 图片随机转动的角度
        width_shift_range=0.1,  # 图片水平偏移的幅度
        height_shift_range=0.1,  # 图片竖直偏移的幅度
        horizontal_flip=True,  # 进行随机水平翻转
        vertical_flip=True,  # 进行随机竖直翻转
    )

    # this is the augmentation configuration we will use for validation:
    # only rescaling
    val_datagen = ImageDataGenerator(rescale=1. / 255)

    train_generator = train_datagen.flow_from_directory(
        train_data_dir,
        target_size=(img_width, img_height),
        batch_size=batch_size,
        shuffle=True,
示例#2
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# 共21类(影像中所有地物的名称)
ObjectNames = ['agricultural', 'airplane', 'baseballdiamond', 'beach',
               'buildings', 'chaparral', 'denseresidential', 'forest',
               'freeway', 'golfcourse', 'harbor', 'intersection',
               'mediumresidential', 'mobilehomepark', 'overpass', 'parkinglot',
               'river', 'runway', 'sparseresidential', 'storagetanks', 'tenniscourt'
               ]

root_path = '/media/files/xdm/classification'

weights_path = os.path.join(root_path, 'weights/UCMerced_LandUse/InceptionV3_UCM_weights.h5')

test_data_dir = os.path.join(root_path, 'data/UCMerced_LandUse/test/')

# test data generator for prediction
test_datagen = ImageDataGenerator(rescale=1. / 255)

test_generator = test_datagen.flow_from_directory(
    test_data_dir,
    target_size=(img_width, img_height),
    batch_size=batch_size,
    shuffle=False,  # Important !!!
    classes=None,
    class_mode=None)

test_image_list = test_generator.filenames

print('Loading model and weights from training process ...')
InceptionV3_model = load_model(weights_path)

print('Begin to predict for testing data ...')