preprocessor.py 文件源码

def slant(img):
    """
    Creates random slant on images for data augmentation
    :param img: image
    :return: slanted image
    """
    # Create random slant for data augmentation
    slant_factor = random.uniform(-0.1, 0.1)

    # Create Afine transform
    afine_tf = tf.AffineTransform(shear=slant_factor)

    # Apply transform to image data
    img_slanted = tf.warp(img, afine_tf, order=0)
    return img_slanted