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invisible.py
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invisible.py
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import cv2
import time
import numpy as np
cap = cv2.VideoCapture(0)
time.sleep(2)
background=0
#capturing the background
for i in range(30):
ret,background=cap.read()
while(cap.isOpened()):
ret,img = cap.read()
if not ret:
break
#if the image is flipped, use image = np.flip(image, axis = 1)
hsv = cv2.cvtColor(img, cv2.COLOR_BGR2HSV)
lower_red=np.array([0,120,70])
upper_red=np.array([10,255,255])
mask1=cv2.inRange(hsv,lower_red,upper_red)
lower_red=np.array([170,120,70])
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('Eureka !!', final_output)
k=cv2.waitKey(10)
if k==27:
break
cap.release()
cv2.destroyAllWindows()