import datetime
import numpy as np
import cv2 as cv
 
functions cv
#functions for counter
 
counter
def EntranceCrossing(y, ent, exi):
if (ent-y<10 and y<ent): return="" 1="" else:="" return="" 0="" def="" exitcrossing(y,="" ent,="" exi):="" if="" (y-exi&lt;8="" and="" y="">exi): y<ent):
return 1
else:
return 0
def ExitCrossing(y, ent, exi):
if (y-exi<8 and y>exi):  #there is a possibility that during entry also this'll be calculated
return 1
else:
return 0
 
video capture
 
0
#video capture
var=cv.VideoCapture('sample-02.mp4')
fgbg = cv.bgsegm.createBackgroundSubtractorMOG()
EntranceCounter= 0
ExitCounter= 0
 
0
while True:
 
if True:
#if grabbed enter loop else break
 
break
(grabbed, frame) = var.read()
 text = "No Video"
 if not grabbed:
 break
 
adjusting #adjusting frame size and blurring
 
blurring
frame = cv.resize(frame, ( 480,480 ))
 gray= cv.cvtColor(frame,cv.COLOR_BGR2GRAY, cv.CV_8UC1)
 resize = cv.GaussianBlur( gray,(21,21),0)
 
background subtraction
 
#background subtraction
fgmask= fgbg.apply(resize)
 ret, th3 = cv.threshold(fgmask ,25,200,cv.THRESH_BINARY+cv.THRESH_OTSU)
 
smoothing #smoothing and filling holes
 
holes
blur = cv.blur(th3,(5,5))
 kernel = np.ones((5,5),np.uint8)
 dil= cv.dilate( blur,kernel,iterations = 1)
 ret, th3 = cv.threshold(dil,0,50,cv.THRESH_BINARY+cv.THRESH_OTSU)
 
contours and tracking
 
#contours and tracking
im2, contours, hierarchy = cv.findContours(th3.copy(), cv.RETR_TREE, cv.CHAIN_APPROX_SIMPLE)
 cv.drawContours(im2, contours, -1, (200,50,50), 2)
 #grab all contours and draw rectangles and their centroids in original frame
 for c in contours:
 if cv.contourArea(c) < 6000:
 continue
  (x,y,w,h)= cv.boundingRect(c)
 cv.rectangle(frame,(x,y),(x+w,y+h),(255,0,0),2)
  Centroid = (int((x + x + w) /2), int((y + y + h) /2))
 YCentroid= (y+y+h)/2
  cv.circle(frame, Centroid, 1, (0, 0, 255), 4)
 
counter functions
 
#counter functions
 if (ExitCrossing(YCentroid,350,350)):
  ExitCounter += 1
 if (EntranceCrossing(YCentroid,350,350)):
  EntranceCounter += 1
 
display #display the output
 
output
cv.line(frame,(0,350),(480,350),(0,255,0),1)
 cv.putText(frame, "WentIn:"+format(str(EntranceCounter)),(10,332),cv.FONT_HERSHEY_SIMPLEX,.5,(0,255,0))
 cv.putText(frame, "WentOut:"+format(str(ExitCounter)),(10,365),cv.FONT_HERSHEY_SIMPLEX,.5,(0,0,255))
 cv.putText(frame, datetime.datetime.now().strftime("%A %d %B %Y %I:%M:%S%p"),
  (10, frame.shape[0] - 10), cv.FONT_HERSHEY_SIMPLEX, 0.35, (255, 0, 0), 1)
 cv.putText(frame, "Inside:"+format(str(EntranceCounter-ExitCounter)),(10,320),cv.FONT_HERSHEY_SIMPLEX,.5,(0,0,0))
 cv.imshow('PeopleCount', frame)
 if cv.waitKey(1) & 0xFF==ord('q'):
 break
var.release()
cv.destroyAllWindows()
  
var.release()
cv.destroyAllWindows()