crop_util.py 文件源码

def rotateImage(image, angle, center=None, scale=1.0):
    h, w = image.shape[:2]
    if center is None:
        center = (w / 2, h / 2)
    rot_mat = cv2.getRotationMatrix2D(center, angle, scale)
    result = cv2.warpAffine(image, rot_mat, (w, h), flags=cv2.INTER_CUBIC)
    return result