May 25, 2022 · Key snippets from the above scripts –. try: scale=Iscale. #get the webcam size. height, width, channels = image.shape. #prepare the crop. centerX,centerY=int(height/2),int(width/2) radiusX,radiusY= int(scale*centerX),int(scale*centerY) minX,maxX=centerX-radiusX,centerX+radiusX. minY,maxY=centerY-radiusY,centerY+radiusY.

import cv2 as cv def zoom_at(img, zoom, coord=None): """ Simple image zooming without boundary checking. Centered at "coord", if given, else the image center.

The repository will bring the camera's screen through openCV to show it, add zoom-in and zoom-out functions, and write code to use the zoom function using screen touch events. These codes are written in python code.

Jun 15, 2018 · You can use this solution. It makes the job -> croping + zoom + array up and array down.

Mar 8, 2023 · The best solution would be to be able to zoom the image in the place where the mouse cursor is currently on the image (this happens, for example, when we open any image on Windows and use the key combination 'ctrl' + ' mouse scroll').

May 27, 2023 · "Zoom into the details by crafting a custom zoom function using OpenCV with Python. Learn the art of magnification for a new level of precision!"

This project showcases a Python application that allows you to zoom in and out of any picture using hand gestures. It utilizes the OpenCV library along with the cvzone module to detect and track hand gestures, enabling you to control the zoom level of an image effortlessly.

Sep 12, 2021 · We implemented hand detection and zoom technique. In this opencv project, we learned about how to find fingers up operations, masking images , and other image processing. Video Demonstration

Mar 15, 2022 · Zoom In! Zoom out! OpenCV has revolutionized the entire image processing world. From image classification to object detection, not only we can do cool stuff with the OpenCV library but also, we can build top-notch applications.

Oct 2, 2021 · OpenCV has a very limited GUI for debugging purposes. You can use QT or any GUI library to add buttons, menus, subwindows, but they are not part of OpenCV. If you want to show a zoom subwindow with OpenCV HighGUI, you must compose an image and show it …