data.py 文件源码

def distort_image(image, height, width):
    # Image processing for training the network. Note the many random
    # distortions applied to the image.

    distorted_image = tf.random_crop(image, [height, width, 3])

    # distorted_image = tf.image.resize_images(image, [height, width])

    # Randomly flip the image horizontally.
    distorted_image = tf.image.random_flip_left_right(distorted_image)

    # Because these operations are not commutative, consider randomizing
    # the order their operation.

    distorted_image = tf.image.random_brightness(distorted_image,
                                                 max_delta=63)

    distorted_image = tf.image.random_contrast(distorted_image,
                                               lower=0.2, upper=1.8)

    return distorted_image