Answers for "image to grayscale python opencv"

cv2 grayscale

gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)

rgb to grayscale python opencv

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()

convert image to grayscale opencv

img = cv2.imread(path)
img_gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)

Image to grayscale using python

import numpy as np
import matplotlib.pyplot as plt
import matplotlib.image as mpimg

def rgb2gray(rgb):
    return np.dot(rgb[...,:3], [0.299, 0.587, 0.144])

img = mpimg.imread('img.png')

gray = rgb2gray(img)

plt.imshow(gray, cmap='gray')

plt.savefig('greyscale.png')
plt.show()

convert image to grayscale opencv

img_gray_mode = cv2.imread(path, cv2.IMREAD_GRAYSCALE)

python image to grayscale

from PIL import Image
img = Image.open("image.jpg")
img.convert("L").save("result.jpg")