OpenCV Tutorials

The following links describe a set of basic OpenCV tutorials. All the source code mentioned here is provided as part of the OpenCV regular releases, so check before you start copying & pasting the code. The list of tutorials below is automatically generated from reST files located in our GIT repository.

As always, we would be happy to hear your comments and receive your contributions on any tutorial.

@subpage tutorial_table_of_content_introduction

You will learn how to setup OpenCV on your computer
@subpage tutorial_table_of_content_core

Here you will learn about the basic building blocks of this library. A must read for understanding how to manipulate the images on a pixel level.
@subpage tutorial_table_of_content_imgproc

In this section you will learn about the image processing (manipulation) functions inside OpenCV.
@subpage tutorial_table_of_content_highgui

This section contains valuable tutorials on how to use the built-in graphical user interface of the library.
@subpage tutorial_table_of_content_imgcodecs

These tutorials show how to read and write images using imgcodecs module.
@subpage tutorial_table_of_content_videoio

These tutorials show how to read and write videos using videio module.
@subpage tutorial_table_of_content_calib3d

Although most of our images are in a 2D format they do come from a 3D world. Here you will learn how to find out 3D world information from 2D images.
@subpage tutorial_table_of_content_features2d

Learn about how to use the feature points detectors, descriptors and matching framework found inside OpenCV.
@subpage tutorial_table_of_content_video

Here you will find algorithms usable on your video streams like motion extraction, feature tracking and foreground extractions.
@subpage tutorial_table_of_content_objdetect

Ever wondered how your digital camera detects people's faces? Look here to find out!
@subpage tutorial_table_of_content_dnn

These tutorials show how to use dnn module effectively.
@subpage tutorial_table_of_content_ml

Use the powerful machine learning classes for statistical classification, regression and clustering of data.
@subpage tutorial_table_of_content_photo

Use OpenCV for advanced photo processing.
@subpage tutorial_table_of_content_stitching

Learn how to create beautiful photo panoramas and more with OpenCV stitching pipeline.

@cond CUDA_MODULES

@subpage tutorial_table_of_content_gpu

Squeeze out every little computational power from your system by utilizing the power of your video card to run the OpenCV algorithms. @endcond
@subpage tutorial_table_of_content_ios

Run OpenCV and your vision apps on an iDevice
@subpage tutorial_table_of_content_viz

These tutorials show how to use Viz module effectively.

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OpenCV Tutorials

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