border_removal.py 文件源码

def rotate(image, angle, center = None, scale = 1.0):
    # Grab the dimensions of the image
    (h, w) = image.shape[:2]
    # If the center is None, initialize it as the center of
    # the image
    if center is None:
        center = (w / 2, h / 2)
    # Perform the rotation
    M = cv2.getRotationMatrix2D(center, angle, scale)
    rotated = cv2.warpAffine(image, M, (w, h))
    # Return the rotated image
    return rotated