CV2 Graustufen
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
Terrible Tiger
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
import cv2
image = cv2.imread('C:/Users/N/Desktop/Test.jpg')
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
cv2.imshow('Original image',image)
cv2.imshow('Gray image', gray)
cv2.waitKey(0)
cv2.destroyAllWindows()
backtorgb = cv2.cvtColor(gray,cv2.COLOR_GRAY2RGB)import cv2
# Reading color image as grayscale
gray = cv2.imread("color-img.png",0)
# Showing grayscale image
cv2.imshow("Grayscale Image", gray)
# waiting for key event
cv2.waitKey(0)
# destroying all windows
cv2.destroyAllWindows()from PIL import Image
img = Image.open('image.png').convert('LA')
img.save('greyscale.png')