It's very simple. Use numpy slicing.
import cv2
img = cv2.imread("lenna.png")
crop_img = img[y:y+h, x:x+w]
cv2.imshow("cropped", crop_img)
cv2.waitKey(0)
cv2 (old interface in old OpenCV versions was named as cv ) is the name that OpenCV developers chose when they created the binding generators. This is kept as ...
Learn how to setup OpenCV-Python on your computer! Gui Features in OpenCV. Here you will learn how to display and save images and videos, control mouse ...
OpenCV provides a real-time optimized Computer Vision library, tools, ... C++, Python and Java interfaces support Linux, MacOS, Windows, iOS, and Android.
Python Programming tutorials from beginner to advanced on a massive variety of topics. All video and text tutorials are free.
It's very simple. Use numpy slicing. import cv2 img = cv2.imread("lenna.png") crop_img = img[y:y+h, x:x+w] cv2.imshow("cropped", crop_img) cv2.waitKey(0).
2020年6月22日 ... Py之cv2：cv2库(OpenCV，opencv-python)的简介、安装、使用方法(常见函数、方法等)最强详细攻略目录关于OpenCV简介OpenCV应用领域1、计算机视觉领域 ...
OpenCV (Open Source Computer Vision Library) is an open source computer vision and machine learning (AI) ... Opencv python move mouse cursor rectangles.