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Tag Archives: OpenCV

In this article, we will use mediapipe python library to detect face and hand landmarks. We will be using a Holistic model from mediapipe solutions… Read More
What is Pose Estimation? Pose estimation is a computer vision technique that is used to predict the configuration of the body(POSE) from an image. The… Read More
In this article, we’re going to see about how to perform QR code scanning using a webcam.  Webcam QR CODE Scanner Before starting, You need… Read More
OpenCV is a free-to-use cross-platform programming library that is mainly utilized for computer vision.  It is written in C/C++. Computer vision is widely used in… Read More
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
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, the task is to draw an ellipse using OpenCV in C++. The ellipse() function from OpenCV C++ library will be used. Syntax:… 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