My code is in Python
import cv2
import numpy as np
image=cv2.imread('WIN_20191122_15_19_57_Pro')
lane_image=np.copy(image)
gray = cv2.cvtColor(cv2.UMat(lane_image), cv2.COLOR_RGB2GRAY)
cv2.imshow("result",gray)
cv2.waitKey(0)
I noticed you left out extension png, jpg or bmp, etc. Change this:
image=cv2.imread('WIN_20191122_15_19_57_Pro')
to:
image=cv2.imread('WIN_20191122_15_19_57_Pro.x') ==> x denoted jpg, png or bmp, etc.
Example:
import cv2
image = cv2.imread('filename.png')
cv2.imshow('img', image)
cv2.waitKey(0)
your image was never read correctly.
cv2.imread() does NOT throw an exception if your image could not be read, but returrns None instead.
you MUST check on your own here, else the next operations will fail
(also, using np.copy or even cv2.UMat does not make any sense here.)
Asked: 2019-12-02 22:49:16 -0600
Seen: 4,839 times
Last updated: Dec 03 '19