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2020-09-14 15:05:28 -0600 received badge  Popular Question (source)
2017-06-05 01:21:17 -0600 received badge  Editor (source)
2017-06-04 06:58:51 -0600 asked a question Watch this link? help me all I need this video code help I'cant write I'm student

` this real picture import cv2 import numpy as np

   img = cv2.imread('example.png',0)
   size = np.size(img)
   skel = np.zeros(img.shape,np.uint8)


   ret,img = cv2.threshold(img,30,255,0)
   element = cv2.getStructuringElement(cv2.MORPH_CROSS,(3,3))
   image, contours, hierarchy = cv2.findContours(skel, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
   draw = cv2.drawContours(skel, contours, 0, (0,255,0), 3)
   ##color = cv2.cvtColor(skel, cv2.COLOR_GRAY2BGR)
   done = False

   while( not done):
         eroded = cv2.erode(img,element)
         temp = cv2.dilate(eroded,element)
         temp = cv2.subtract(img,temp)
         skel = cv2.bitwise_or(skel,temp)
         img = eroded.copy()

         zeros = size - cv2.countNonZero(img)
         if zeros==size:
         done = True

          cv2.imshow("skel",skel)
          cv2.imshow("contours", img)
          cv2.waitKey(0)
          cv2.destroyAllWindows()
          `[link text](https://www.youtube.com/watch?v=i364EE7pTtg)

import cv2
import numpy as np

img = cv2.imread('example.png',0)
size = np.size(img)
skel = np.zeros(img.shape,np.uint8)


ret,img = cv2.threshold(img,30,255,0)
element = cv2.getStructuringElement(cv2.MORPH_CROSS,(3,3))
##image, contours, hierarchy = cv2.findContours(skel, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
##draw = cv2.drawContours(skel, contours, 0, (0,255,0), 3)
##color = cv2.cvtColor(skel, cv2.COLOR_GRAY2BGR)
done = False

while( not done):
     eroded = cv2.erode(img,element)
     temp = cv2.dilate(eroded,element)
     temp = cv2.subtract(img,temp)
     skel = cv2.bitwise_or(skel,temp)
     img = eroded.copy()
     edged = cv2.Canny(skel, 50, 150)
     zeros = size - cv2.countNonZero(img)
     lines = cv2.HoughLinesP(skel,0.1,np.pi/90,1,100,1)
      if(lines != None):
     x1,y1,x2,y2 in lines[0]:

        cv2.line(resized,(x1,y1),(x2,y2),(0,255,0),2)
   if zeros==size:
       done = True

  cv2.imshow("skel",skel)
  cv2.imshow("edged",edged)
  cv2.imshow("lines",lines)
  cv2.waitKey(0)
  cv2.destroyAllWindows()