convert image to grayscale opencv code example
Example 1: opencv grayscale to rgb
backtorgb = cv2.cvtColor(gray,cv2.COLOR_GRAY2RGB)
Example 2: convert image to grayscale opencv
img = cv2.imread(path)
img_gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
Example 3: convert image to grayscale opencv
img_gray_mode = cv2.imread(path, cv2.IMREAD_GRAYSCALE)
Example 4: how to convert into grayscale opencv
import cv2
gray = cv2.imread("color-img.png",0)
cv2.imshow("Grayscale Image", gray)
cv2.waitKey(0)
cv2.destroyAllWindows()