blur&smooth.py

import cv2
import numpy as np

cap=cv2.VideoCapture(0)

while True :
    _, frame = cap.read()
    hsv =cv2.cvtColor(frame,cv2.COLOR_BGR2HSV)  #hue saturation value

    lower_red=np.array([50,0,0])
    upper_red=np.array([255,255,255])

    """dark_red=np.uintB([[[12,22,121]]])
    dark_red=cv2.cvtColor(dark_red,cv2.COLOR_BGR2HSV)"""

    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)
    median = cv2.medianBlur(res,15)
    bilateral =cv2.bilateralFilter(res,15,75,75)
    
    cv2.imshow('frame',frame)
    #cv2.imshow('mask',mask)
    cv2.imshow('res',res)
    cv2.imshow('blur',blur)
    cv2.imshow('median',median)
    cv2.imshow('bilateral',bilateral)
    #cv2.imshow('smoothed',smoothed)
    k=cv2.waitKey(0)
    if k==27:
        break
cv2.destroyAllWindows()
cap.release()