opencv背景提取

  

   

    

     

    
    

     

      import cv2 as cv
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      capture = cv.VideoCapture("D:/images/video/video_004.avi")
     
    
   

    

     

    
    

     

      mog = cv.createBackgroundSubtractorMOG2()
     
    
   

    

     

    
    

     

      se = cv.getStructuringElement(cv.MORPH_RECT, (3, 3))
     
    
   

    

     

    
    

     

      while True:
     
    
   

    

     

    
    

     

       ret, image = capture.read()
     
    
   

    

     

    
    

     
 if ret is True:
     
    
   

    

     

    
    

     

       fgmask = mog.apply(image)
     
    
   

    

     

    
    

     

       ret, binary = cv.threshold(fgmask, 220, 255, cv.THRESH_BINARY)
     
    
   

    

     

    
    

     

       binary = cv.morphologyEx(binary, cv.MORPH_OPEN, se)
     
    
   

    

     

    
    

     

       bgimage = mog.getBackgroundImage()
     
    
   

    

     

    
    

     

       cv.imshow("bgimage", bgimage)
     
    
   

    

     

    
    

     

       cv.imshow("frame", image)
     
    
   

    

     

    
    

     

       cv.imshow("fgmask", binary)
     
    
   

    

     

    
    

     

       c = cv.waitKey(50)
     
    
   

    

     

    
    

     
 if c == 27:
     
    
   

    

     

    
    

     
 break
     
    
   

    

     

    
    

     
 else:
     
    
   

    

     

    
    

     
 break
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      cv.destroyAllWindows()
     
    
  
 

文章来源: blog.csdn.net，作者：网奇，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/jacke121/article/details/111085212