系統(tǒng)：ubuntu16.04

image = cv2.imread('./images/example_03.png')
cv2.imshow("Original", image)
cv2.waitKey(0)

解決方案：

import os
import cv2

PROJECT_ROOT = os.path.dirname(os.path.realpath(__file__))

data_path = os.path.join(PROJECT_ROOT, "images/example_03.png")

image = cv2.imread(data_path)

cv2.imshow("Original", image)
cv2.waitKey(0)