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 ...
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Mouse and Trackbar in OpenCV GUI
June 11, 2021
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The mouse pointer is a key component in a Graphical User Interface (GUI). Without it, you can’t really think of interacting with a GUI. So, let’s dive in and get introduced to the built-in ...
Edge Detection Using OpenCV
June 10, 2021
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Edge detection is an image-processing technique that is used to identify the boundaries (edges) of objects or regions within an image. Edges are among the most important features associated with ...
Image Filtering Using Convolution in OpenCV
June 7, 2021
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Have you ever tried to blur or sharpen an image in Photoshop, or with the help of a mobile application? If yes, then you have already used convolution kernels. Here, we will explain how to use ...
Non Maximum Suppression: Theory and Implementation in PyTorch
June 2, 2021
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Non Maximum Suppression (NMS) is a technique used in numerous computer vision tasks. It is a class of algorithms to select one entity (e.g., bounding boxes) out of many overlapping entities. We can ...
Annotating Images Using OpenCV
June 1, 2021
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Annotating images and videos serves more than one purpose, and OpenCV makes the process straightforward and easy. See how you can use it: Once you learn to annotate images, annotating video ...
