Computer-vision articles

A Simple Guide to Converting Grayscale Images to RGB with OpenCV in Python

In the world of image processing, one common task is converting images from grayscale to RGB (Red, Green, Blue) format. This might seem like a complex process at first, but with Python and OpenCV, it's surprisingly straightforward. Whether you're working […] Read more…

How to Display Large Images with OpenCV in Python

Working with images using OpenCV in Python is a common task for many developers and researchers. However, a frequent issue arises when attempting to display large images that exceed the screen resolution. The problem is that OpenCV's `imshow()` function will […] Read more…

Mastering Color Detection in OpenCV: A Guide to HSV Boundaries

Color detection is a critical aspect of many computer vision applications, from simple color sorting robots to complex image processing systems that require precise object detection. One of the most effective ways to detect colors in images is by using […] Read more…

Drawing a Rectangle Around a Region with OpenCV in Python

In the world of computer vision, OpenCV stands as a powerful tool that enables developers to process images and videos to identify objects, faces, or even patterns. A common task that often arises is drawing a rectangle around a region […] Read more…

A Beginner's Guide to Simple Digit Recognition with OpenCV and Python

Digit recognition, a subset of optical character recognition (OCR), is a fascinating area of computer vision that focuses on recognizing numbers from images. It's a technology that powers numerous applications, from sorting mail to digitizing handwritten documents. Python, with its […] Read more…

Combining Two Images with OpenCV: A Simple Guide

In the realm of image processing, combining two images is a common task that can serve a variety of purposes, from creating panoramic views to designing complex graphics. OpenCV, a leading open-source library for computer vision, offers powerful tools for […] Read more…