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    OpenCV
    3.4.7
    
   Open Source Computer Vision 
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#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)) | 
 1.8.12