Getting Started with OpenCV
At LearnOpenCV we are on a mission to educate the global workforce in computer vision and AI. This series of posts will help you get started with OpenCV – the most popular computer vision library in the world. Also, check out Getting Started with PyTorch and Getting Started with Tensorflow / Keras.
OpenCV For Beginners
We have created a series of tutorials for absolute beginners to get started with OpenCV. You will find more information about other relevant topics and applications while going through each post.
There are lots of tutorials on the OpenCV website for C++ and Python that you should check out after finishing this series.
Here is a list of tutorials in this series:
May 23, 2021
Read, Display and Write an Image using OpenCV
Reading, displaying, and writing images are basic to image processing and computer vision. Even when cropping, resizing, rotating, or applying…
May 24, 2021
Reading and Writing Videos using OpenCV
Reading and writing videos in OpenCV is very similar to reading and writing images. A video is nothing but a…
May 25, 2021
Image Resizing with OpenCV
Come, let’s learn about image resizing with OpenCV. To resize an image, scale it along each axis (height and width),…
May 27, 2021
Cropping an Image using OpenCV
Come, see for yourself, how Cropping an Image using OpenCV works. First, why do we need to crop? Cropping is…
May 31, 2021
Image Translation and Rotation Using OpenCV
Image editing has become more and more popular these days as mobile phones have this built-in capability that lets you…
June 1, 2021
Annotating Images Using OpenCV
Annotating images and videos serves more than one purpose, and OpenCV makes the process straightforward and easy. See how you…
May 7, 2017
Color spaces in OpenCV (C++ / Python)
In this tutorial, we will learn about popular colorspaces used in Computer Vision and use it for color based segmentation.…
June 7, 2021
Image Filtering Using Convolution in OpenCV
Have you ever tried to blur or sharpen an image in Photoshop, or with the help of a mobile application?…
February 24, 2015
Image Thresholding in OpenCV
Carefully observe the animation below in Figure 1. How many numbers do you see? Most of you will see several…
February 17, 2015
Blob Detection Using OpenCV ( Python, C++ )
This tutorial explains simple blob detection using OpenCV. What is a Blob? A Blob is a group of connected pixels…
June 10, 2021
Edge Detection Using OpenCV
Edge detection is an image-processing technique that is used to identify the boundaries (edges) of objects or regions within an…
June 11, 2021
Mouse and Trackbar in OpenCV GUI
The mouse pointer is a key component in a Graphical User Interface (GUI). Without it, you can’t really think of interacting…
March 29, 2021
Contour Detection using OpenCV (Python/C++)
This post focuses on contour detection in images using the OpenCV computer vision library along with hands-on coding using Python…
August 27, 2019
Simple Background Estimation in Videos using OpenCV (C++/Python)
In many computer vision applications, the processing power at your disposal is low. In such cases, we have to use…
April 12, 2021
Deep Learning with OpenCV DNN Mopencvodule: A Definitive Guide
The field of computer vision has existed since the late 1960s. Image classification and object detection are some of the…
