画直线 import numpy as np import cv2 # Create a black image img = np.zeros((512,512,3), np.uint8) # Draw a diagonal blue line with thickness of 5 px cv2.line(img,(0,0),(511,511),(255,0,0),5) cv2.imshow('line',img) cv2.waitKey() 画polygon import numpy as…
版本 3.4.6 1 Introduction to OpenCV OpenCV介绍Learn how to setup OpenCV-Python on your computer! 2 Gui Features in OpenCV Here you will learn how to display and save images and videos, control mouse events and create trackbar. 2.1 Getting Started with Im…
由于OpenCV的java版本画图有太多错误,只能自己编写画图的代码,在一个函数中,编写出画圆和深度距离的代码, 代码如下: public int CircleMyMat(Mat Show, Point3 Center, double Radius, Scalar COLOR ,int Width) { //请空画布为白色 Show = Mat.zeros(Show.size(), CvType.CV_8UC3); //Core.bitwise_not(Show, Show);//反色! dou…