Color filtering and Bitwise AND

python_opencv_inrange.py

import cv2, time, sys
from random import *
import numpy as np
cap = cv2.VideoCapture(0)
while 1:
	_, frame = cap.read()
	frame = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)
	lower_clr = np.array([0,0,0])
	upper_clr = np.array([176,100,100])
	mask = cv2.inRange(frame, lower_clr, upper_clr)
	cv2.imshow('', cv2.bitwise_and(frame, frame, mask=mask))
	if cv2.waitKey(1) & 0xFF == 27:
		break
cv2.destroyAllWindows()