matplotlib example image bt plt cv (snippet)

Python matplotlib example 'image bt plt cv'

Modules used in program:

• import matplotlib.pyplot as plt
• import cv2

python image bt plt cv

Python matplotlib example: image bt plt cv

import cv2
import matplotlib.pyplot as plt

img = cv2.imread('images/barcode_01.jpg')
b,g,r = cv2.split(img)
img2 = cv2.merge([r,g,b])
plt.subplot(121);plt.imshow(img) # expects distorted color
plt.subplot(122);plt.imshow(img2) # expect true color
plt.show()

cv2.imshow('bgr image',img) # expects true color
cv2.imshow('rgb image',img2) # expects distorted color
cv2.waitKey(0)
cv2.destroyAllWindows()

Python links

• Learn Python: https://pythonbasics.org/
• Python Tutorial: https://pythonprogramminglanguage.com