| OpenCV 3.4.8 Open Source Computer Vision

OpenCV modules

- Introduction
- OpenCV Tutorials
- OpenCV-Python Tutorials
- OpenCV.js Tutorials
- Tutorials for contrib modules
- Frequently Asked Questions
- Bibliography
- Main modules:
  - core. Core functionality
  - imgproc. Image Processing
  - imgcodecs. Image file reading and writing
  - videoio. Video I/O
  - highgui. High-level GUI
  - video. Video Analysis
  - calib3d. Camera Calibration and 3D Reconstruction
  - features2d. 2D Features Framework
  - objdetect. Object Detection
  - dnn. Deep Neural Network module
  - ml. Machine Learning
  - flann. Clustering and Search in Multi-Dimensional Spaces
  - photo. Computational Photography
  - stitching. Images stitching
  - cudaarithm. Operations on Matrices
  - cudabgsegm. Background Segmentation
  - cudacodec. Video Encoding/Decoding
  - cudafeatures2d. Feature Detection and Description
  - cudafilters. Image Filtering
  - cudaimgproc. Image Processing
  - cudalegacy. Legacy support
  - cudaobjdetect. Object Detection
  - cudaoptflow. Optical Flow
  - cudastereo. Stereo Correspondence
  - cudawarping. Image Warping
  - cudev. Device layer
  - shape. Shape Distance and Matching
  - superres. Super Resolution
  - videostab. Video Stabilization
  - viz. 3D Visualizer
- Extra modules:
  - aruco. ArUco Marker Detection
  - bgsegm. Improved Background-Foreground Segmentation Methods
  - bioinspired. Biologically inspired vision models and derivated tools
  - ccalib. Custom Calibration Pattern for 3D reconstruction
  - cnn_3dobj. 3D object recognition and pose estimation API
  - cvv. GUI for Interactive Visual Debugging of Computer Vision Programs
  - datasets. Framework for working with different datasets
  - dnn_objdetect. DNN used for object detection
  - dpm. Deformable Part-based Models
  - face. Face Analysis
  - freetype. Drawing UTF-8 strings with freetype/harfbuzz
  - fuzzy. Image processing based on fuzzy mathematics
  - hdf. Hierarchical Data Format I/O routines
  - hfs. Hierarchical Feature Selection for Efficient Image Segmentation
  - img_hash. The module brings implementations of different image hashing algorithms.
  - line_descriptor. Binary descriptors for lines extracted from an image
  - optflow. Optical Flow Algorithms
  - ovis. OGRE 3D Visualiser
  - phase_unwrapping. Phase Unwrapping API
  - plot. Plot function for Mat data
  - reg. Image Registration
  - rgbd. RGB-Depth Processing
  - saliency. Saliency API
  - sfm. Structure From Motion
  - stereo. Stereo Correspondance Algorithms
  - structured_light. Structured Light API
  - surface_matching. Surface Matching
  - text. Scene Text Detection and Recognition
  - tracking. Tracking API
  - xfeatures2d. Extra 2D Features Framework
  - ximgproc. Extended Image Processing
  - xobjdetect. Extended object detection
  - xphoto. Additional photo processing algorithms