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Tag Archives: OpenCV

In this article, the task is to draw an rectangle using OpenCV in C++. The rectangle() function from OpenCV C++ library will be used. Syntax:… Read More
Alpha blending is the process of overlaying a foreground image on a background image. We take these two images to blend : gfg.png apple.jpeg Steps… Read More
In this article, we will do feature matching using Brute Force in Python by using OpenCV library. Prerequisites: OpenCV OpenCV is a python library which… Read More
In this article, the task is to draw an ellipse using OpenCV in C++. The ellipse() function from OpenCV C++ library will be used. Syntax:… Read More
Morphological Transformations are simple operations based on the shape of an image usually performed on a binary image. It takes our input image and a… Read More
In this article, a Morphological Operation called Closing is discussed. It helps to reduce the internal noise present inside an image. In this article, another… Read More
In this article, a Morphological Operator called Gradient is discussed. The gradient is defined as the difference between the Dilation and Erosion of an image.… Read More
In this article, a Morphological operation called Opening is discussed. Opening operation is similar to erosion in the sense that it also removes foreground pixels… Read More
In this article, we will discuss how to write over an image using OpenCV C++. Function putText() from OpenCV C++ library will be used to… Read More
In this article, we will discuss how to draw a line using OpenCV in C++. The idea is to use the line() function from OpenCV… Read More
In this article, we will discuss counting the number of black pixels and white pixels in the image using OpenCV and NumPy.  Prerequisites: OpenCV NumPy… Read More
In this article, we will discuss to open an image using OpenCV (Open Source Computer Vision) in C++. Unlike python, any additional libraries in C++… Read More
Blurring is a simple and frequently used image processing operation. It is also called as Smoothing. OpenCV library provides many functions to apply diverse linear… Read More
 Image Segmentation: In computer vision, image segmentation is the process of partitioning an image into multiple segments. The goal of segmenting an image is to… Read More
We will be displaying the real-time processing FPS of the video file or webcam depending upon our choice. FPS or frame per second or frame… Read More