Funvision opencv C++ tutorials

Reading an image sounds trivial. Load file, show window, done.That's what I thought too — until an empty Mat crashed my program in production, and a VideoWriter…

When OpenCV 5 was finally released in June 2026, I couldn't wait to try it. It’s almost habit with new release. I have been building Opencv 2, 3, 4.x for years,…

Mastering OpenCV: Image Transformations (Resize, Crop, ROI & Filters) After I finally understood cv::Mat and memory behavior, the next step that changed everyth…

When I first started working with OpenCV in C++, I thought loading and displaying images would be trivial. I was not thinking about memory, unnecessary copy of Mat…

Have you ever spent hours debugging a stuttering 4K stream, only to realize that OpenCV’s cv::VideoCapture was not the best performing option? I’ve been there. For …

The Evolution of GPU-Resident Pipelines: A Look at FFmpeg 8.1 "Hoare"Have you ever spent hours waiting for a high-resolution video transcode to finish, on…

Many Generative AI APIs allow you to restrict an API key or token to specific IP addresses, like Vertex AI, Google AI studio. This is a useful security measure that…

Have you ever wondered how a drone stays locked on a hiker or how a smart camera follows a person across a room? Lets track objects with OpenCV in C++. Object track…