Welcome to opencv documentation!

• OpenCV API Reference
  • Introduction
  • core. The Core Functionality
  • imgproc. Image Processing
  • imgcodecs. Image file reading and writing
  • videoio. Media I/O
  • highgui. High-level GUI and Media I/O
  • video. Video Analysis
  • calib3d. Camera Calibration and 3D Reconstruction
  • features2d. 2D Features Framework
  • objdetect. Object Detection
  • ml. Machine Learning
  • flann. Clustering and Search in Multi-Dimensional Spaces
  • photo. Computational Photography
  • stitching. Images stitching
  • cuda. CUDA-accelerated Computer Vision
  • cudaarithm. CUDA-accelerated Operations on Matrices
  • cudabgsegm. CUDA-accelerated Background Segmentation
  • cudacodec. CUDA-accelerated Video Encoding/Decoding
  • cudafeatures2d. CUDA-accelerated Feature Detection and Description
  • cudafilters. CUDA-accelerated Image Filtering
  • cudaimgproc. CUDA-accelerated Image Processing
  • cudaoptflow. CUDA-accelerated Optical Flow
  • cudastereo. CUDA-accelerated Stereo Correspondence
  • cudawarping. CUDA-accelerated Image Warping
  • shape. Shape Distance and Matching
  • superres. Super Resolution
  • videostab. Video Stabilization
  • viz. 3D Visualizer
  • bioinspired. Biologically inspired vision models and derivated tools
  • cvv. GUI for Interactive Visual Debugging of Computer Vision Programs
  • datasets. Framework for working with different datasets
  • face. Face Recognition
  • Binary descriptors for lines extracted from an image
  • optflow. Optical Flow Algorithms
  • reg. Image Registration
  • rgbd. RGB-Depth Processing
  • Saliency 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
• OpenCV4Android Reference
  • Android OpenCV Manager
  • Java API
• OpenCV User Guide
  • Operations with images
  • Features2d
  • HighGUI
  • Cascade Classifier Training
  • HighGUI
• OpenCV Tutorials
• OpenCV-Python Tutorials

Indices and tables

• Index
• Search Page