OpenCV Documentation
3.2
2D Features Framework
3D Visualizer
Camera Calibration and 3D Reconstruction
Clustering and Search in Multi-Dimensional Spaces
Computational Photography
Core functionality
Basic structures
C structures and operations
Clustering
DirectX interoperability
Eigen support
Hardware Acceleration Layer
Intel IPP Asynchronous C/C++ Converters
Intel VA-API/OpenCL (CL-VA) interoperability
OpenCL support
OpenGL interoperability
CUDA-accelerated Computer Vision
Background Segmentation
Core part
Device layer
Feature Detection and Description
Image Filtering
Image Processing
Image Warping
Legacy support
Object Detection
Operations on Matrices
Optical Flow
Stereo Correspondence
Video Encoding/Decoding
namespace cv::cuda
namespace cv::ogl::ocl
enum cv::ogl::RenderModes
class cv::ogl::Arrays
class cv::ogl::Buffer
class cv::ogl::Texture2D
Overview
Detailed Documentation
Operations on arrays
Optimization Algorithms
Utility and system functions and macros
XML/YAML Persistence
enum cv::CovarFlags
enum cv::HersheyFonts
enum cv::KmeansFlags
enum cv::LineTypes
enum cv::ReduceTypes
template class cv::Affine3
class cv::BufferPoolController
template class cv::WImage
template class cv::WImageBuffer
template class cv::WImageBufferC
template class cv::WImageC
template class cv::WImageView
template class cv::WImageViewC
Overview
Detailed Documentation
High-level GUI
Image file reading and writing
Image processing
Images stitching
Machine Learning
Object Detection
Shape Distance and Matching
Super Resolution
Video Analysis
Video I/O
Video Stabilization
Bibliography
CUDA Module Introduction
Color conversions
Deprecated List
Frequently Asked Questions
Machine Learning Overview
OpenCV Tutorials
OpenCV modules
OpenCV-Python Tutorials
Todo List
Video I/O with OpenCV Overview
contours2.cpp
convexhull.cpp
cout_mat.cpp
demhist.cpp
distrans.cpp
edge.cpp
ffilldemo.cpp
filestorage.cpp
fitellipse.cpp
grabcut.cpp
houghcircles.cpp
houghlines.cpp
kmeans.cpp
laplace.cpp
lsd_lines.cpp
minarea.cpp
morphology2.cpp
pca.cpp
polar_transforms.cpp
segment_objects.cpp
watershed.cpp
Global Namespace
OpenCV Documentation
Docs
»
Core functionality
»
OpenGL interoperability
»
CUDA-accelerated Computer Vision
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Device layer
»
template struct cv::cudev::Expr
template struct cv::cudev::Expr
#include
<expr.hpp>
template
<
class
Body
>
struct
Expr
{
// fields
Body
body
;
};