Here is a list of all related documentation pages:

[detail level 1234]

Frequently Asked Questions
CUDA Module Introduction
Introduction
Color conversions
Video I/O with OpenCV Overview
Machine Learning Overview
Bioinspired Module Retina Introduction
Face module changelog
▼OpenCV Tutorials
►Introduction to OpenCV
Installation in Linux
Using OpenCV with gcc and CMake
Using OpenCV with Eclipse (plugin CDT)
Installation in Windows
How to build applications with OpenCV inside the "Microsoft Visual Studio"
Image Watch: viewing in-memory images in the Visual Studio debugger
Introduction to Java Development
Using OpenCV Java with Eclipse
Introduction to OpenCV Development with Clojure
Introduction into Android Development
OpenCV4Android SDK
Android Development with OpenCV
Use OpenCL in Android camera preview based CV application
Installation in MacOS
Installation in iOS
Cross compilation for ARM based Linux systems
Building OpenCV for Tegra with CUDA
Load and Display an Image
Load, Modify, and Save an Image
Writing documentation for OpenCV
Transition guide
Cross referencing OpenCV from other Doxygen projects
►The Core Functionality (core module)
Mat - The Basic Image Container
How to scan images, lookup tables and time measurement with OpenCV
Mask operations on matrices
Operations with images
Adding (blending) two images using OpenCV
Changing the contrast and brightness of an image!
Discrete Fourier Transform
File Input and Output using XML and YAML files
Interoperability with OpenCV 1
How to use the OpenCV parallel_for_ to parallelize your code
►Image Processing (imgproc module)
Basic Drawing
Random generator and text with OpenCV
Smoothing Images
Eroding and Dilating
More Morphology Transformations
Hit-or-Miss
Extract horizontal and vertical lines by using morphological operations
Image Pyramids
Basic Thresholding Operations
Thresholding Operations using inRange
Making your own linear filters!
Adding borders to your images
Sobel Derivatives
Laplace Operator
Canny Edge Detector
Hough Line Transform
Hough Circle Transform
Remapping
Affine Transformations
Histogram Equalization
Histogram Calculation
Histogram Comparison
Back Projection
Template Matching
Finding contours in your image
Convex Hull
Creating Bounding boxes and circles for contours
Creating Bounding rotated boxes and ellipses for contours
Image Moments
Point Polygon Test
Image Segmentation with Distance Transform and Watershed Algorithm
Out-of-focus Deblur Filter
Motion Deblur Filter
Anisotropic image segmentation by a gradient structure tensor
Periodic Noise Removing Filter
►High Level GUI and Media (highgui module)
Adding a Trackbar to our applications!
►Image Input and Output (imgcodecs module)
Reading Geospatial Raster files with GDAL
►Video Input and Output (videoio module)
Video Input with OpenCV and similarity measurement
Creating a video with OpenCV
Using Kinect and other OpenNI compatible depth sensors
Using Creative Senz3D and other Intel Perceptual Computing SDK compatible depth sensors
►Camera calibration and 3D reconstruction (calib3d module)
Create calibration pattern
Camera calibration with square chessboard
Camera calibration With OpenCV
Real Time pose estimation of a textured object
Interactive camera calibration application
►2D Features framework (feature2d module)
Harris corner detector
Shi-Tomasi corner detector
Creating your own corner detector
Detecting corners location in subpixels
Feature Detection
Feature Description
Feature Matching with FLANN
Features2D + Homography to find a known object
Detection of planar objects
AKAZE local features matching
AKAZE and ORB planar tracking
Basic concepts of the homography explained with code
►Video analysis (video module)
How to Use Background Subtraction Methods
Meanshift and Camshift
Optical Flow
►Object Detection (objdetect module)
Cascade Classifier
Cascade Classifier Training
►Deep Neural Networks (dnn module)
Load Caffe framework models
How to enable Halide backend for improve efficiency
How to schedule your network for Halide backend
How to run deep networks on Android device
YOLO DNNs
How to run deep networks in browser
Custom deep learning layers support
►Machine Learning (ml module)
Introduction to Support Vector Machines
Support Vector Machines for Non-Linearly Separable Data
Introduction to Principal Component Analysis (PCA)
►Computational photography (photo module)
High Dynamic Range Imaging
►Images stitching (stitching module)
High level stitching API (Stitcher class)
►GPU-Accelerated Computer Vision (cuda module)
Similarity check (PNSR and SSIM) on the GPU
Using a cv::cuda::GpuMat with thrust
►OpenCV iOS
OpenCV iOS Hello
OpenCV iOS - Image Processing
OpenCV iOS - Video Processing
►OpenCV Viz
Launching Viz
Pose of a widget
Transformations
Creating Widgets
Creating a 3D histogram
Face Detection using Haar Cascades
Object Detection
▼OpenCV-Python Tutorials
►Introduction to OpenCV
Introduction to OpenCV-Python Tutorials
Install OpenCV-Python in Windows
Install OpenCV-Python in Fedora
Install OpenCV-Python in Ubuntu
►Gui Features in OpenCV
Getting Started with Images
Getting Started with Videos
Drawing Functions in OpenCV
Mouse as a Paint-Brush
Trackbar as the Color Palette
►Core Operations
Basic Operations on Images
Arithmetic Operations on Images
Performance Measurement and Improvement Techniques
►Image Processing in OpenCV
Changing Colorspaces
Geometric Transformations of Images
Image Thresholding
Smoothing Images
Morphological Transformations
Image Gradients
Canny Edge Detection
Image Pyramids
►Contours in OpenCV
Contours : Getting Started
Contour Features
Contour Properties
Contours : More Functions
Contours Hierarchy
►Histograms in OpenCV
Histograms - 1 : Find, Plot, Analyze !!!
Histograms - 2: Histogram Equalization
Histograms - 3 : 2D Histograms
Histogram - 4 : Histogram Backprojection
►Image Transforms in OpenCV
Fourier Transform
Template Matching
Hough Line Transform
Hough Circle Transform
Image Segmentation with Watershed Algorithm
Interactive Foreground Extraction using GrabCut Algorithm
►Feature Detection and Description
Understanding Features
Harris Corner Detection
Shi-Tomasi Corner Detector & Good Features to Track
Introduction to SIFT (Scale-Invariant Feature Transform)
Introduction to SURF (Speeded-Up Robust Features)
FAST Algorithm for Corner Detection
BRIEF (Binary Robust Independent Elementary Features)
ORB (Oriented FAST and Rotated BRIEF)
Feature Matching
Feature Matching + Homography to find Objects
►Camera Calibration and 3D Reconstruction
Camera Calibration
Pose Estimation
Epipolar Geometry
Depth Map from Stereo Images
►Machine Learning
►K-Nearest Neighbour
Understanding k-Nearest Neighbour
OCR of Hand-written Data using kNN
►Support Vector Machines (SVM)
Understanding SVM
OCR of Hand-written Data using SVM
►K-Means Clustering
Understanding K-Means Clustering
K-Means Clustering in OpenCV
►Computational Photography
Image Denoising
Image Inpainting
High Dynamic Range (HDR)
►OpenCV-Python Bindings
How OpenCV-Python Bindings Works?
Background Subtraction
Optical Flow
Meanshift and Camshift
Video Analysis
▼OpenCV.js Tutorials
►Introduction to OpenCV.js
Introduction to OpenCV.js and Tutorials
Using OpenCV.js
Build OpenCV.js
Using OpenCV.js In Node.js
►GUI Features
Getting Started with Images
Getting Started with Videos
Add a Trackbar to Your Application
►Core Operations
Basic Operations on Images
Arithmetic Operations on Images
Some Data Structures
►Image Processing
Changing Colorspaces
Geometric Transformations of Images
Image Thresholding
Smoothing Images
Morphological Transformations
Image Gradients
Canny Edge Detection
Image Pyramids
►Contours in OpenCV.js
Contours : Getting Started
Contour Features
Contour Properties
Contours : More Functions
Contours Hierarchy
►Histograms in OpenCV.js
Histograms - 1 : Find, Plot, Analyze !!!
Histograms - 2: Histogram Equalization
Histogram - 3 : Histogram Backprojection
►Image Transforms in OpenCV.js
Fourier Transform
Template Matching
Hough Line Transform
Hough Circle Transform
Image Segmentation with Watershed Algorithm
Foreground Extraction using GrabCut Algorithm
Image Processing for Video Capture
►Video Analysis
Meanshift and Camshift
Optical Flow
Background Subtraction
►Object Detection
Face Detection using Haar Cascades
Face Detection in Video Capture
face_landmark_trainer
▼Tutorials for contrib modules
►ArUco marker detection (aruco module)
Detection of ArUco Markers
Detection of ArUco Boards
Detection of ChArUco Corners
Detection of Diamond Markers
Calibration with ArUco and ChArUco
Aruco module FAQ
►Tutorials for bgsegm module
Background Subtraction
►Discovering the human retina and its use for image processing
Retina and real-world vision
Processing images causing optical illusions
Multi-camera Calibration
Omnidirectional Cameara Calibration
►CNN for 3D Object Classification and Pose Estimation
Training data generation using Icosphere
Classify
Training Model Analysis
Interactive Visual Debugging of Computer Vision applications
Object Detection using CNNs
►Tutorials for face module
Face Recognition with OpenCV
Face landmark detection in an image
Face landmark detection in a video
Face swapping using face landmark detection
►Tutorial on Facial Landmark Detector API
Adding a new algorithm to the Facemark API
Using the Facemark API
Using the FacemarkAAM
►Fuzzy image processing tutorials
F-transform theory
Inpainting using F-transform
Filtering using F-transform
►The Hierarchical Data Format (hdf) I/O
Creating Groups
Creating, Writing and Reading Datasets
Reading and Writing Attributes
Line Features Tutorial
►Phase Unwrapping tutorial
Unwrap two-dimensional phase maps
►Structure From Motion
SFM module installation
Camera Motion Estimation
Scene Reconstruction
Import Reconstruction
►Structured Light tutorials
Capture Gray code pattern tutorial
Decode Gray code pattern tutorial
Capture Sinusoidal pattern tutorial
►Text module
Tesseract (master) installation by using git-bash (version>=2.14.1) and cmake (version >=3.9.1)
Customizing the CN Tracker
Introduction to OpenCV Tracker
Using MultiTracker
Disparity map post-filtering
Structured forests for fast edge detection
Structured forest training
Training the learning-based white balance algorithm
Todo List
Deprecated List
Bibliography