OpenCV  3.1.0
Open Source Computer Vision
Here is a list of all modules:
[detail level 12345]
 Core functionality
 Image processing
 Image file reading and writing
 Media I/O
 High-level GUI
 Video Analysis
 Camera Calibration and 3D Reconstruction
 2D Features Framework
 Object Detection
 Machine Learning
 Clustering and Search in Multi-Dimensional Spaces
 Computational Photography
 Images stitching
 Shape Distance and Matching
 Super Resolution
 Video Stabilization
 3D Visualizer
 ArUco Marker Detection
 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
 Deep Neural Network module
 Deformable Part-based Models
 Face Recognition
 Image processing based on fuzzy mathematics
 Hierarchical Data Format I/O routines
 Binary descriptors for lines extracted from an image
 MATLAB Bridge
 Optical Flow Algorithms
 Plot function for Mat data
 Image Registration
 RGB-Depth Processing
 Saliency API
 Structure From Motion
 Stereo Correspondance Algorithms
 Structured Light API
 Surface Matching
 Scene Text Detection and Recognition
 Tracking API
 Extra 2D Features Framework
 Extended Image Processing
 Extended object detection
 Additional photo processing algorithms