src8.py

import cv2
import numpy as np

cap = cv2.VideoCapture(0)

while(1):
    _, frame = cap.read()
    hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)
    lower_red = np.array([0,0,0])
    upper_red = np.array([120,120,120])

    mask = cv2.inRange(hsv, lower_red, upper_red)
    res = cv2.bitwise_and(frame,frame, mask= mask)

    kernel = np.ones((15,15),np.float32)/225
    smoothed = cv2.filter2D(res,-1,kernel)

    blur = cv2.GaussianBlur(res,(15,15),0)
    cv2.imshow('Gaussian Blurring',blur)

    median = cv2.medianBlur(res,15)
    cv2.imshow('Median Blur',median)

    bilateral = cv2.bilateralFilter(res,15,75,75)
    cv2.imshow('bilateral Blur',bilateral)

    cv2.imshow('frame',frame)
    # cv2.imshow('mask',mask)
    cv2.imshow('res',res)
    cv2.imshow('smoothed',smoothed)

    k = cv2.waitKey(5) & 0xFF
    if k == 27:
        break

cv2.destroyAllWindows()
cap.release()