OpenCV讀取顯示圖像

1. opencv讀圖像–imread

2. openvc顯示圖像imshow

   讀取顯示多個圖像

   import cv2
   import os
   dir = '/file_dir'
   show_files=['1.jgp','2.jpg', '3.jpg']
   for file in show_files:
   	file_name = os.path.join(dir, file)
   	image = cv2.imread(file_name)
   	cv2.imshow('title', image)
   	cv2.waitKey(0) # 等待按鍵
   	cv2.destroyWindow('title')
   

   按0鍵後，顯示下一張。