Answers for "how to covert black into white in opencv"

Python

3

opencv convert to black and white

import cv2
  
originalImage = cv2.imread('C:/Users/N/Desktop/Test.jpg')
grayImage = cv2.cvtColor(originalImage, cv2.COLOR_BGR2GRAY)
  
(thresh, blackAndWhiteImage) = cv2.threshold(grayImage, 127, 255, cv2.THRESH_BINARY)
 
cv2.imshow('Black white image', blackAndWhiteImage)
cv2.imshow('Original image',originalImage)
cv2.imshow('Gray image', grayImage)
  
cv2.waitKey(0)
cv2.destroyAllWindows()

Posted by: Guest on May-22-2020

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