一、报错问题：
# res = cv2.seamlessClone(src, dst, mask, (250, 250), cv2.NORMAL_CLONE)# mask 只有1行或者1列 为大于0的值时 报错： cv2.error: vector too long# mask 只有2行或者2列 为大于0的值时 报错：cv2.error: OpenCV(4.5.5) D:\a\opencv-python\opencv-python\opencv\modules\core\src\matrix_wrap.cpp:1667: error: 
(-215:Assertion failed) !fixedSize() in function 'cv::_OutputArray::release'
#OpenCV(4.5.5)

import cv2
import numpy as npdst = np.ones((501, 501, 3), np.uint8) * 255cv2.imshow("dst", dst)
key = cv2.waitKey(0)
src = np.ones((501, 501, 3), np.uint8) * 255
cv2.imshow("src", src)
key = cv2.waitKey(0)
cv2.circle(dst,  center=(250, 250), radius=5, color=(0, 0, 255), thickness=-1)
cv2.circle(dst, center=(250, 0), radius=5, color=(0, 0, 255), thickness=-1)mask = np.zeros((501, 501, 1), np.uint8)
mask[100:101,:] = 255
cv2.imshow("mask", mask)
key = cv2.waitKey(0)res = cv