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A Beginner's Guide to C++ Regular Expressions
This article provides an introduction to using the C++ `<regex>` standard library for string pattern matching and manipulation, covering basic usage and core components.
C-Cpp
10 posts
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Adapting CvxText for Drawing Chinese Characters in OpenCV 4.5
This article explains how to update legacy CvxText code to function correctly in OpenCV 4.5 by resolving header file inclusions and data type conversion issues.
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Performing FTP Operations with the POCO Library
This guide demonstrates how to implement FTP file uploads using POCO, a lightweight and flexible C++ network library.
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Handling ROI Clipping Elegantly with the OpenCV & Operator
Learn how to use the `&` operator in OpenCV to perform intersection operations on `cv::Rect`, allowing for elegant image ROI clipping and boundary validation without verbose conditional logic.
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OpenCV DNN Batch Inference: A Guide for Image Classification
This guide demonstrates how to use the OpenCV DNN module for image classification, covering core APIs, the differences between Mat and Blob formats, and the implementation of both single-image and batch inference.
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Qt HTTP Server Example: Implementing Client POST and Server Response
A guide on how to perform HTTP POST requests with JSON payloads in Qt and how to build a corresponding local server using the QtHttpServer module.
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Managing C/C++ Projects with CMake: From Basics to Library Integration
A practical guide on using CMake to manage C/C++ projects, covering project setup and integration with popular libraries like OpenCV, Boost, Qt, and CUDA.
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Integrating QtHttpServer into a Dynamic Library with C APIs: Handling QCoreApplication Dependencies
Learn how to compile the QtHttpServer module and solve the QCoreApplication event loop initialization challenge when wrapping Qt functionality into a C-compatible dynamic library.
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Compiling OpenCV with CUDA Support using CMake and VS2019 on Windows 10
A step-by-step guide on how to compile a custom OpenCV library with CUDA and DNN acceleration support from source using CMake and Visual Studio 2019.
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Configuring FFTW 3.3.2 in Visual Studio 2010
A step-by-step guide on how to install and configure the FFTW 3.3.2 library in a Visual Studio 2010 environment, including .lib file generation and project property setup.