11_1.py

import matplotlib.pyplot as plt
import cv2
import numpy as np
import os
import re

#listing down all the file names
frames = os.listdir('frames/')
frames.sort(key=lambda f: int(re.sub('\D', '', f)))

#reading frames
images=[]
for i in frames:
    img = cv2.imread('frames/'+i)
    img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
    img = cv2.GaussianBlur(img,(25,25),0)
    images.append(img)

images=np.array(images)