[python][转载]opencv-python横向纵向拼接图片

import cv2
 import numpy as np
 img1 = cv2.imdecode(np.fromfile('./zly.jpg', dtype=np.uint8), -1)
 img2 = cv2.imdecode(np.fromfile('./yx.jpg', dtype=np.uint8), -1)
 # 纵向合并
 img_zhong = np.vstack((img1, img2))
 # axis=1：横向合并 axis=0 纵向合并
 img_heng = np.concatenate([img1, img2], axis=1)
 cv2.imshow('img_zhong', img_zhong)
 cv2.imshow('img_heng', img_heng)
 cv2.waitKey(0)