| OpenCV 3.4.7 Open Source Computer Vision

Classes | Namespaces | Enumerations | Functions
objdetect.hpp File Reference
`#include "opencv2/core.hpp"`
`#include "opencv2/objdetect/detection_based_tracker.hpp"`
`#include "opencv2/objdetect/objdetect_c.h"`

## Classes
class | cv::BaseCascadeClassifier
class | cv::CascadeClassifier
| Cascade classifier class for object detection. More...
struct | cv::DetectionROI
| struct for detection region of interest (ROI) More...
struct | cv::HOGDescriptor
| Implementation of HOG (Histogram of Oriented Gradients) descriptor and object detector. More...
class | cv::BaseCascadeClassifier::MaskGenerator
class | cv::QRCodeDetector
class | cv::SimilarRects

## Namespaces
| cv

## Enumerations
enum | { cv::CASCADE_DO_CANNY_PRUNING = 1, cv::CASCADE_SCALE_IMAGE = 2, cv::CASCADE_FIND_BIGGEST_OBJECT = 4, cv::CASCADE_DO_ROUGH_SEARCH = 8 }

## Functions
Ptr< BaseCascadeClassifier::MaskGenerator > | cv::createFaceDetectionMaskGenerator ()
bool | cv::decodeQRCode (InputArray in, InputArray points, std::string &decoded_info, OutputArray straight_qrcode=noArray())
| Decode QR code in image and return text that is encrypted in QR code. More...
bool | cv::detectQRCode (InputArray in, std::vector< Point > &points, double eps_x=0.2, double eps_y=0.1)
| Detect QR code in image and return minimum area of quadrangle that describes QR code. More...
void | cv::groupRectangles (std::vector< Rect > &rectList, int groupThreshold, double eps=0.2)
| Groups the object candidate rectangles. More...
void | cv::groupRectangles (std::vector< Rect > &rectList, std::vector< int > &weights, int groupThreshold, double eps=0.2)
void | cv::groupRectangles (std::vector< Rect > &rectList, int groupThreshold, double eps, std::vector< int > *weights, std::vector< double > *levelWeights)
void | cv::groupRectangles (std::vector< Rect > &rectList, std::vector< int > &rejectLevels, std::vector< double > &levelWeights, int groupThreshold, double eps=0.2)
void | cv::groupRectangles_meanshift (std::vector< Rect > &rectList, std::vector< double > &foundWeights, std::vector< double > &foundScales, double detectThreshold=0.0, Size winDetSize=Size(64, 128))