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import numpy as np import cv2

cap = cv2.VideoCapture('/Users/nimya/Desktop/people-walking2.mp4')

ret, current_frame = cap.read()

fgbg = cv2.createBackgroundSubtractorMOG2()

previous_frame = current_frame

def framediff(current_frame_gray,previous_frame_gray): frame_diff = cv2.absdiff(current_frame_gray,previous_frame_gray) cv2.imshow('frame diff ',frame_diff) return frame_diff

while(cap.isOpened()): current_frame_gray = cv2.cvtColor(current_frame, cv2.COLOR_BGR2GRAY) previous_frame_gray = cv2.cvtColor(previous_frame, cv2.COLOR_BGR2GRAY) frame_diff=framediff(current_frame_gray,previous_frame_gray)

if cv2.waitKey(1) & 0xFF == ord('q'): break previous_frame = current_frame.copy() ret, current_frame = cap.read()

cap.release() cv2.destroyAllWindows()

import numpy as np np

import cv2

cap = cv2.VideoCapture('/Users/nimya/Desktop/people-walking2.mp4')

ret, current_frame = cap.read()

fgbg = cv2.createBackgroundSubtractorMOG2()

previous_frame = current_frame

def framediff(current_frame_gray,previous_frame_gray): framediff(current_frame_gray,previous_frame_gray):

frame_diff = cv2.absdiff(current_frame_gray,previous_frame_gray)
  cv2.imshow('frame diff ',frame_diff)
  return frame_diffframe_diff

while(cap.isOpened()):

current_frame_gray = cv2.cvtColor(current_frame, cv2.COLOR_BGR2GRAY)
  previous_frame_gray = cv2.cvtColor(previous_frame, cv2.COLOR_BGR2GRAY)
    frame_diff=framediff(current_frame_gray,previous_frame_gray)

frame_diff=framediff(current_frame_gray,previous_frame_gray)

    break
  previous_frame = current_frame.copy()
  ret, current_frame = cap.read()cap.read()

import numpy as np

import cv2

cap = cv2.VideoCapture('/Users/nimya/Desktop/people-walking2.mp4')

ret, current_frame = cap.read()

fgbg = cv2.createBackgroundSubtractorMOG2()

previous_frame = current_frame

def framediff(current_frame_gray,previous_frame_gray):

frame_diff = cv2.absdiff(current_frame_gray,previous_frame_gray)

cv2.imshow('frame diff ',frame_diff)

return frame_diff

while(cap.isOpened()):

current_frame_gray = cv2.cvtColor(current_frame, cv2.COLOR_BGR2GRAY)

previous_frame_gray = cv2.cvtColor(previous_frame, cv2.COLOR_BGR2GRAY)

frame_diff=framediff(current_frame_gray,previous_frame_gray)

if cv2.waitKey(1) & 0xFF == ord('q'):

    break

previous_frame = current_frame.copy()

ret, current_frame = cap.read()

cap.release()

cv2.destroyAllWindows()

import numpy as np

import cv2
cv2
  
cap = cv2.VideoCapture('/Users/nimya/Desktop/people-walking2.mp4')cv2.VideoCapture('/Users/nimya/Desktop/people-walking2.mp4')
  
ret, current_frame = cap.read()cap.read()
  
fgbg = cv2.createBackgroundSubtractorMOG2()cv2.createBackgroundSubtractorMOG2()
  
previous_frame = current_framecurrent_frame
 def framediff(current_frame_gray,previous_frame_gray):
 
def framediff(current_frame_gray,previous_frame_gray):
 
 frame_diff = cv2.absdiff(current_frame_gray,previous_frame_gray)

 cv2.imshow('frame diff ',frame_diff)

 return frame_diff
 
while(cap.isOpened()):while(cap.isOpened()):
  
 current_frame_gray = cv2.cvtColor(current_frame, cv2.COLOR_BGR2GRAY)

 previous_frame_gray = cv2.cvtColor(previous_frame, cv2.COLOR_BGR2GRAY)

 frame_diff=framediff(current_frame_gray,previous_frame_gray)
  
if cv2.waitKey(1) & 0xFF == ord('q'):ord('q'):
  
     break

 previous_frame = current_frame.copy()

 ret, current_frame = cap.read()


cap.release()

cv2.destroyAllWindows()
  
cap.release()
 
cv2.destroyAllWindows()