Modules

Here is a list of all modules:

[detail level 1234]

►Core functionality
Basic structures
►C structures and operations
Connections with C++
Operations on arrays
Asynchronous API
XML/YAML Persistence
Clustering
►Utility and system functions and macros
Logging facilities
SSE utilities
NEON utilities
VSX utilities
Softfloat support
Utility functions for OpenCV samples
OpenGL interoperability
Intel IPP Asynchronous C/C++ Converters
Optimization Algorithms
DirectX interoperability
Eigen support
OpenCL support
Intel VA-API/OpenCL (CL-VA) interoperability
►Hardware Acceleration Layer
Functions
►Interface
Element-wise add and subtract
Element-wise minimum or maximum
Element-wise absolute difference
Bitwise logical operations
Element-wise compare
Element-wise multiply
Element-wise divide
Element-wise reciprocial
Element-wise weighted sum
Channel split
Channel merge
Atan calculation
Magnitude calculation
Inverse square root calculation
Square root calculation
Natural logarithm calculation
Exponent calculation
LU matrix decomposition
Cholesky matrix decomposition
Singular value matrix decomposition
QR matrix decomposition
Matrix multiplication
►Universal intrinsics
Private implementation helpers
Low-level API for external libraries / plugins
►Parallel Processing
Parallel backends API
►CUDA-accelerated Computer Vision
►Core part
Initialization and Information
Data Structures
►Operations on Matrices
Core Operations on Matrices
Per-element Operations
Matrix Reductions
Arithm Operations on Matrices
Background Segmentation
Video Encoding/Decoding
Feature Detection and Description
Image Filtering
►Image Processing
Color space processing
Histogram Calculation
Hough Transform
Feature Detection
►Legacy support
NPPST Core
NPPST Image Processing
NPPST Signal Processing
Object Detection
Optical Flow
Stereo Correspondence
Image Warping
Device layer
►Image Processing
Image Filtering
Imgproc_transform
Imgproc_misc
Imgproc_shape
Imgproc_feature
Imgproc_hist
Imgproc_subdiv2d
Imgproc_motion
Imgproc_segmentation
Imgproc_color_conversions
Imgproc_object
Imgproc_colormap
Imgproc_draw
►Image file reading and writing
C API
Flags used for image file reading and writing
iOS glue
MacOS(OSX) glue
►Video I/O	Read and write video or images sequence with OpenCV
Flags for video I/O
Additional flags for video I/O API backends
Hardware-accelerated video decoding and encoding
C API for video I/O
iOS glue for video I/O
WinRT glue for video I/O
Query I/O API backends registry
►High-level GUI
Flags related creating and manipulating HighGUI windows and mouse events
OpenGL support
Qt New Functions
►Video Analysis
Motion Analysis
Object Tracking
C API
►Camera Calibration and 3D Reconstruction
Fisheye camera model
C API
►2D Features Framework
Feature Detection and Description
Descriptor Matchers
►Object Detection
Cascade Classifier for Object Detection
Common functions and classes
ArUco markers and boards detection for robust camera pose estimation
►Deep Neural Network module
Partial List of Implemented Layers
Utilities for New Layers Registration
Machine Learning
Clustering and Search in Multi-Dimensional Spaces
►Computational Photography
Inpainting
Denoising
HDR imaging
Photo_decolor
Photo_clone
Photo_render
►Images stitching
Features Finding and Images Matching
Rotation Estimation
Autocalibration
Images Warping
Seam Estimation
Exposure Compensation
Image Blenders
►G-API framework
G-API Main Classes	G-API classes for constructed and compiled graphs
►G-API Data Types	G-API data objects used to build G-API expressions
G-API Metadata Descriptors
G-API Standard Backends	G-API backends available in this OpenCV version
G-API Graph Compilation Arguments	Compilation arguments: data structures controlling the compilation process
G-API Serialization functionality	G-API functions and classes for serialization and deserialization
►G-API Core functionality
Graph API: Math operations
Graph API: Pixelwise operations
Graph API: Operations on matrices
Graph API: Image and channel composition functions
►G-API Image processing functionality
Graph API: Image filters
Graph API: Converting image from one color space to another
Graph API: Image Feature Detection
Graph API: Image Structural Analysis and Shape Descriptors
Graph API: Image and channel composition functions
►G-API Drawing and composition functionality	Functions for in-graph drawing
Drawing primitives
Drawing operations and functions
G-API Video processing functionality
Alpha Matting
Aruco markers, module functionality was moved to objdetect module
Improved Background-Foreground Segmentation Methods
Biologically inspired vision models and derivated tools
Custom Calibration Pattern for 3D reconstruction
GUI for Interactive Visual Debugging of Computer Vision Programs
►Framework for working with different datasets
Action Recognition
Face Recognition
Gesture Recognition
Human Pose Estimation
Image Registration
Image Segmentation
Multiview Stereo Matching
Object Recognition
Pedestrian Detection
SLAM
Super Resolution
Text Recognition
Tracking
DNN used for object detection
DNN used for super resolution
Deformable Part-based Models
Face Analysis
Drawing UTF-8 strings with freetype/harfbuzz
►Image processing based on fuzzy mathematics
Math with F0-transform support
►Hierarchical Data Format I/O routines
Hierarchical Data Format version 5
Hierarchical Feature Selection for Efficient Image Segmentation
The module brings implementations of different image hashing algorithms.
The module brings implementations of intensity transformation algorithms to adjust image contrast.
Julia bindings for OpenCV
Binary descriptors for lines extracted from an image
►Macbeth Chart module
Color Correction Model
Optical Flow Algorithms
OGRE 3D Visualiser
Phase Unwrapping API
Plot function for Mat data
Image Quality Analysis (IQA) API
silhouette based 3D object tracking
Image Registration
RGB-Depth Processing
Saliency API
►Structure From Motion
Conditioning
Fundamental
Input/Output
Numeric
Projection
Robust Estimation
Triangulation
Reconstruction
Shape Distance and Matching
Stereo Correspondance Algorithms
Structured Light API
Super Resolution
Surface Matching
►Scene Text Detection and Recognition
Scene Text Detection
►Tracking API
Tracking API implementation details
Legacy Tracking API
►Video Stabilization
Global Motion Estimation
►3D Visualizer
Widget
WeChat QR code detector for detecting and parsing QR code.
►Extra 2D Features Framework
Experimental 2D Features Algorithms
►Extended Image Processing
Structured forests for fast edge detection
Extended object detection
Additional photo processing algorithms
Imgproc_hal_functions
Imgproc_hal_interface
Highgui_winrt
Features2d_draw
Features2d_category
Features2d_hal_interface
Objdetect_hog
Objdetect_qrcode
Objdetect_barcode
Objdetect_dnn_face
Gapi_data_structures	Extra G-API data structures used to pass input/output data to the graph for processing
F1_math
F_image
Kinect_fusion
Simple_pipeline
Text_recognize
Videostab_marching
Xfeatures2d_match
Xfeatures2d_nonfree
Ximgproc_filters
Ximgproc_edge_drawing
Ximgproc_edgeboxes
Ximgproc_fast_line_detector
Ximgproc_fourier
Ximgproc_superpixel
Ximgproc_run_length_morphology
Ximgproc_segmentation