Cloak Of Invisibility.py

import numpy as np
import cv2
import time
cap = cv2.VideoCapture(0)
fourcc = cv2.VideoWriter_fourcc(*'XVID')
out = cv2.VideoWriter('harry.avi' , fourcc, 20.0, (640,480))
time.sleep(2)
background = 0
for i in range(30):
    ret, background = cap.read()
while(cap.isOpened()):
    ret, img = cap.read()

    if not ret:
        break

    hsv=cv2.cvtColor(img, cv2.COLOR_BGR2HSV)
    lower_val = np.array([0,120,70])
    upper_val = np.array([10,255,255])
    mask1 = cv2.inRange(hsv , lower_val , upper_val)

    lower_val = np.array([171,120,70])
    upper_val = np.array([180,255,255])
    mask2 = cv2.inRange(hsv , lower_val , upper_val)

    mask1 = mask1 + mask2
    mask1=cv2.morphologyEx(mask1, cv2.MORPH_OPEN ,np.ones((3,3) , np.uint8) , iterations=2)

    mask2=cv2.morphologyEx(mask1, cv2.MORPH_DILATE ,np.ones((3,3) , np.uint8) , iterations=1)

    mask2 = cv2.bitwise_not(mask1)

    res1 = cv2.bitwise_and(background, background, mask=mask1)
    res2 = cv2.bitwise_and(img, img, mask=mask2)

    final_output = cv2.addWeighted(res1 , 1, res2 , 1, 0)
    final_output=cv2.flip(final_output,2)
    cv2.imshow('Sid_Yo_Potter' , final_output)
    k=cv2.waitKey(10)
    if k==27:
      break

cap.release()
cv2.destroyAllWindows()