import cv2
import numpy as np
cap = cv2.VideoCapture(0)

while (1):
	ret,frame = cap.read()#

	hsv = cv2.cvtColor(frame,cv2.COLOR_BGR2HSV)

	lower_blue = np.array([110,50,50])
	upper_blue = np.array([130,255,255])

	mask = cv2.inRange(hsv,lower_blue,upper_blue)

	res = cv2.bitwise_and(frame,frame,mask=mask)

	cv2.imshow('frame',frame)
	cv2.imshow('mask',mask)
	cv2.imshow('res',res)
	k = cv2.waitKey(5)&0xFF
	if k ==27: #Esc
		break
cv2.destroyAllWindows()
