kolor do czarno -białego CV2
import cv2
originalImage = cv2.imread("PATH/TO/IMG")
grayImage = cv2.cvtColor(originalImage, cv2.COLOR_BGR2GRAY)
Prickly Piranha
import cv2
originalImage = cv2.imread("PATH/TO/IMG")
grayImage = cv2.cvtColor(originalImage, cv2.COLOR_BGR2GRAY)from PIL import Image
img = Image.open("image.jpg")
img.convert("1").save("result.jpg")#applying thresholding technique to return black and white image (threshold = 127 = 255/2)
import cv2
originalImage = cv2.imread('image.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)