morphological.py

import cv2
import numpy as np

cap = cv2.VideoCapture(0)

while True:
    _, frame = cap.read()
    hsv = cv2.cvtColor(frame,cv2.COLOR_BGR2HSV)
    
    #HSV hue sat value
    lower_color = np.array([10,10,10])
    upper_color = np.array([100,255,255])

    mask = cv2.inRange(hsv, lower_color, upper_color)
    res = cv2.bitwise_and(frame, frame, mask = mask)
    
    kernel = np.ones((5,5), np.uint8)
    erosion = cv2.erode(mask,kernel, iterations = 1)
    dilation = cv2.dilate(mask, kernel, iterations = 1)
    
    opening = cv2.morphologyEx(mask, cv2.MORPH_OPEN, kernel)
    closing = cv2.morphologyEx(mask, cv2.MORPH_CLOSE, kernel)
    
    cv2.imshow('frame', frame)
    cv2.imshow('res', res)
    cv2.imshow('erosion', erosion)
    cv2.imshow('dilation', dilation)
    cv2.imshow('closing', closing)
    cv2.imshow('opening', opening)
    
    k = cv2.waitKey(5) & 0xFF
    if k == 27:
        break

cv2.destroyAllWindows()
cap.release()