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Memory analysis on std::queue as buffer of cv::Mat. Part 1, basic tests.

10-12-2016

Here is shown that both cv::Mat and Standard Library Containers work under memory recycling. We found that using std:queue as buffer for OpenCV Mat, memory requirements depends on size of the queue. We conclude that containers like std::queue can be used effectively as buffer for OpenCV Mats.

pkQueueTS - Treadsafe queue for OpenCV Mats

10-12-2016

A single lock, multiple producer/consumer (MPMC) thread safe queue with wait/timeout Pop. It also provides tools to manage elements like cv::Mat and an interface for custom OnPush event handler.

How to display an OpenCV image or video in your own MFC interface

02-05-2015

To display an OpenCV image or video into your own MFC interface in Visual C++ you can use GDI's function but keep care of details.

PkCBitmap: Windows Bitmap File Loader C++ class

14-01-2010

Viene presentata una classe la lettura ultra veloce di un file bitmap in C++. La versione originale a cura di Benjamin Kalytta è stata modificata da PkLab introducendo, tra l'altro, il riutilizzo della memoria.

Reading from file and fast access to image pixels with C#

13-01-2010

This page describes how to use Image::FromFile methods to read image form file and howto gain fast access to its pixel using Bitmap::LockBits in VisualStudio. Example code and performance test are shown. Finally, above performace are compared to C++ native CBitmap class.

Recursive gaussian filter implementation

07-01-2010

Gaussian filter is used for signal processing. It Is a low band pass filter usefull to remove high fequency noise (Smoothing). This page shows a 2D recursive implementation as explained by T.Youg, Lucas J, van Vliet

C++/CLI String^ to char* conversion

20-11-2009

A tecnique to convert 'System::String' to 'char*' in C++/CLI.

Visual Studio

20-11-2009

Pagine e informazioni su Microsoft Visual Studio

OpenCV: Open Source Computer Vision Library

25-09-2009

OpenCV means Open Source Computer Vision Library. It is software library that implement many popular Image Processing, Computer Vision and machine learning algorithms.

Eccezione non gestita di tipo 'System.Threading.ThreadStateException' in System.

21-09-2009

Un workaround per utilizzare oggetti COM in esecuzione dal debug di Visual Studio 8 (2005). 

The Serial Port

20-05-1997

Viene presentata la porta seriale standard RS232. La sua gestione e programmazione su un sistema MS-DOS con un semplice esempio di un software di comunicazione.

The Parallel Port

20-05-1997

Viene descritta la porta parallela (centronics), la sua gestione e programmazione anche come porta di I/O. Viene presentato un semplice software di comunicazione tramite porta parallela

Demo Kernel Multitasking

18-03-1997

Viene presentato un semplice kernel multitasking per processore Intel 8086 compatibile in ambiente ms-dos