maincv.py

import cv2, time
import numpy as np

cap = cv2.VideoCapture(0)

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_red = np.array([0, 150, 120])
    upper_red = np.array([10, 255, 255])
    mask1 = cv2.inRange(hsv, lower_red, upper_red)

    lower_red = np.array([170, 150, 120])
    upper_red = np.array([180, 255, 255])
    mask2 = cv2.inRange(hsv, lower_red, upper_red)

    mask1 = mask1 + mask2

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

    cv2.imshow('Invisible Cloak !', final_output)
    k = cv2.waitKey(10)
    if k == 27:
        break


cap.release()
cv2.destroyAllWindows()