1.core
The Core Functionality.包含核心数据结构及函数功能的定义
2.imgproc
Image Processing
3.imgcodecs
Image file reading and writing
4.videoio
Media I/O
5.highgui
High-level GUI and Media I/O 图形显示界面
6.video
Video Analysis
7.calib3d
Camera Calibration and 3D Reconstruction 相机标定及三维重建
8.features2d
Feature Detection and Description
9.objdetect
Object Detection
10.ml
Machine Learning
11.flann
Clustering and Search in Multi-Dimensional Spaces
12.photo
Computational Photography 计算摄影学
13.cuda
CUDA-accelerated Computer Vision
14.cudaarithm
CUDA-accelerated Operations on Matrices
15.cudabgsegm
CUDA-accelerated Background Segmentation.CUDA支持的背景分割
16.cudacodec
CUDA-accelerated Video Encoding/Decoding
17.cudafeatures2d
CUDA-accelerated Feature Detection and Description
18.cudafilters
CUDA-accelerated Image Filtering
19.cudaimgproc
CUDA-accelerated Image Processing
20.cudaoptflow
CUDA-accelerated Optical Flow.CPU加速光流计算
21.cudastereo
CUDA-accelerated Stereo Correspondence.CPU加速立体匹配
22.cudawarping
CUDA-accelerated Image Warping.CPU加速图像扭曲
23.shape
Shape Distance and Matching
24.superres
Super Resolution.超分辨率
25.videostab
Video Stabilization. 数字视频去抖动
26.viz
3D Visualizer.3D可视化
27.bioinspired
Biologically inspired vision models and derivated tools.仿生视觉模型及衍生工具
28.cvv
GUI for Interactive Visual Debugging of Computer Vision Programs.交互式调试GUI
29.datasets
Framework for working with different datasets.(The datasets module includes classes for working with different datasets: load data, evaluate different algorithms on them, contains benchmarks, etc)
30.face
Face Recognition
31.optflow
Optical Flow Algorithms.光流算法
32.reg
Image Registration.图像配准
33.rgbd
RGB-Depth Processing.RGB 3通道图像处理
34.surface_matching
Surface Matching.曲面匹配
35.text
Scene Text Detection and Recognition.场景文本的检测识别
36.tracking
Tracking API.图像追踪
37.xfeatures2
Extra 2D Features Framework.扩展特征提取（有一部分算法non-free）
38.ximgproc
Extended Image Processing.扩展图像处理
39.xobjdetect
Extended object detection
40.xphoto
Additional photo processing algorithms
（注：x开头的为扩展模块，需单独下载，下载地址https://github.com/opencv/opencv_contrib，编译时直接copy到opencv目录下即可；cuda模块需要预先安装cuda，并在编译时勾选cuda选项）
| 超分辨率; |