Image-processing articles

How to Resize an Image with OpenCV and Python

In the world of image processing and computer vision, resizing images is a fundamental task. It's often necessary to adjust the dimensions of an image to meet the requirements of an application or to reduce the computational load. Python, with […] Read more…

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…

How to Fix: cv2.imshow Command Not Working in OpenCV Python

OpenCV is a powerful library for computer vision tasks, widely used in the Python community for its vast array of functionalities. However, newcomers and even some experienced users might encounter an issue where the `cv2.imshow` command doesn't work as […] Read more…

How to Invert an Image in Python Using OpenCV

In the realm of image processing, inverting an image is a basic yet powerful operation. It can be used for various purposes, from pre-processing steps for machine learning models to simply creating visually interesting effects. Python, with its rich ecosystem […] Read more…

How to Apply a Mask to a Color Image in OpenCV

In the world of image processing, applying a mask to an image is a fundamental technique. It allows you to highlight or conceal certain parts of an image according to the mask's pattern. This technique is particularly useful in various […] Read more…

How to Convert an Image from PIL to OpenCV Format in Python

When working with images in Python, you might find yourself needing to switch between different libraries depending on the task at hand. Two of the most popular libraries for image processing are PIL (Python Imaging Library, often used through its […] Read more…

How to Convert an Numpy Array from Float64 to Uint8 by Scaling Values

When working with image data or any dataset that requires normalization, it's common to encounter the need to convert an array from one data type to another. Specifically, converting a NumPy array from float64 to uint8 is a frequent task […] 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…