import cv2
import numpy as np
import matplotlib.pyplot as plt
import jovian
img = cv2.imread('C:\\Users\\vsneh\\OneDrive\\Desktop\\cap1.jpg')
img = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
plt.imshow(img,'gray')
<matplotlib.image.AxesImage at 0x1f31fbfd348>
roi = img[290:350,200:370]
plt.imshow(roi,cmap='gray')
<matplotlib.image.AxesImage at 0x1f321cf9048>
roi.shape
(60, 170)
img2 = np.zeros((60,170),np.uint8)
plt.imshow(img2,'gray')
<matplotlib.image.AxesImage at 0x1f321d7bd88>
img[290:350,200:370] = img2
plt.imshow(img,cmap='gray')
<matplotlib.image.AxesImage at 0x1f321dd6d08>
jovian.commit()
[jovian] Saving notebook..