Answers for "opencv how to make image grayscale"

convert image to grayscale opencv

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

convert image to grayscale opencv

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

how to convert into grayscale opencv

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()

detect grayscale image in python opencv

import cv2
file = "myFile.jpj"


image = cv2.imread(file)
if image.any() != None:
  if(len(image.shape)<2):
        print ('grayscale')
  elif len(image.shape)==3:
        print ('Colored')
else:
  print("cannot find image")