Posts tagged OpenCV

Divide an image into blocks using OpenCV in C++

Often you will need to divide an image into multiple blocks of a certain height and width to apply a certain transformation or would like to compare two images block-wise. This blog will provide a short explanation and a C++ implementation for how to divide an image into multiple blocks with custom height and width.

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Comparing screen capturing using GDI+ and OpenCV on Windows in C++

To follow up on my last two blogs (Capturing the screen on Windows in C++ using OpenCV & Capturing the screen on Windows in C++ using GDI+ ), we compare in this post both approaches. In order to compare both approaches, we examines their run-times and CPU usages.

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Capturing the screen on Windows in C++ using OpenCV

OpenCV is just a great computer vision tool with a wide variety of capabilities, that is available in both C++ and Python. In this first blog about OpenCV, I will be introducing a simple algorithm to capture the content of the screen on Windows using OpenCV in C++.

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