text: 
  import cv2
  
  
  name="num"
  path='/home/jelly/catkin_ws/src/Yolo_mark/x64/Release/data/img/'
  count=1
  last=2814
  while count<=last : 
      try:
          txt = open(path+name+str(count)+'.txt','r')
          line = txt.readline() 
          if not line: 
              print(count)
              img= cv2.imread(path+name+str(count)+'.jpg')
              cv2.imshow(path+name+str(count)+'.jpg',img)
              cv2.waitKey(500)
              
      except:
          pass
  
  
          
  
      count=count+1    
  txt.close() 
  