OpenCV 5 Image & Video I/O: imread, VideoCapture, VideoWriter
Learn OpenCV 5 image and video I/O in C++ with imread, imwrite, VideoCapture and VideoWriter—including silent-failure checks and complete code.
OpenCV basics
The foundations of OpenCV C++: the Mat class, reading and writing images and video with VideoCapture and VideoWriter, and handling mouse input.
OpenCV Image Transformations in C++: Resize, Crop, ROI, Filters
Learn OpenCV image transformations in C++: resize, crop, ROI, blur, Gaussian filtering and Canny—plus when shared cv::Mat data requires clone().
OpenCV cv::Mat Memory: Shallow Copy, clone and copyTo
Understand cv::Mat memory in C++: headers, shared data, reference counting, shallow copies, clone(), copyTo(), pixel access and safe image I/O.
Why I Stopped Relying on OpenCV’s VideoCapture, And You Should Too
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…
[Source Code] OpenCV RTSP to HLS Video Streaming Guide
Opencv C++ simple tutorial to use GStreamer to send video to Server that converts RTSP to HLS video stream.
[Source Code] OpenCV Denoising & Blur Masterclass
Smooth or blur, gaussian blur, and noise-canceling, This tutorial will learn OpenCV blur, GaussianBlur, median blur functions in C++.
OpenCV Mouse Callbacks: Select ROI & Draw [Source Code]
This c++ Opencv tutorial shows you how to draw a rectangle by mouse over the object.
Opencv tutorial, VideoCapture playback, frame skip
Opencv C++ tutorial on how to playback video frames and video loaded into memory, Fast video replay by slider.
OpenCV VideoWriter: Record & Cut Video [Source Code]
Opencv video writer tutorial for simple video recording into the file. In this tutorial, I would like to show you how to use the video writer in OpenCV.
Opencv VideoCapture File, Web Camera, RTSP stream
Opencv VideoCapture How to read RTSP stream with opencv on linux with full source code included in this tutorial
