import cv2
import numpy as np
img = cv2.imread('tissue_sample.jpg')
gray_img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
resized_img = cv2.resize(gray_img, (224, 224))
normalized_img = resized_img / 255.0
import cv2
import numpy as np
img = cv2.imread('tissue_sample.jpg')
gray_img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
resized_img = cv2.resize(gray_img, (224, 224))
normalized_img = resized_img / 255.0