python openCV自制绘画板

本文实例为大家分享了python openCV自制绘画板的具体代码,供大家参考,具体内容如下 import numpy as np import cv2 def nothing(x): pass cv2.namedWindow('image') img = np.zeros((512,512,3),np.uint8) cv2.createTrackbar('R','image',0,255,nothing) cv2.createTrackbar('G','image',0,255,nothing) cv2.createTrackbar('B','image',0,255,nothing)