Opencv c++ feature detection

#include <opencv2/opencv.hpp>
#include <opencv2/features2d.hpp>

// initialize detector 
cv::Ptr<cv::FeatureDetector> detector = cv::ORB::create();

// detect features and descriptor
std::vector<cv::KeyPoint> keypoints1;
cv::Mat descriptors1;
detector->detectAndCompute( test_im_gray, cv::Mat(), keypoints1, descriptors1 );

Similar codes

0 vote179 views1 answer
File streams in c++
C++
0 vote132 views3 answers
Iterator in c++
C++
0 vote128 views2 answers
Get min and max element index from vector c++
C++
1 vote158 views1 answer
Lpcwstr to string c++
C++
1 vote121 views1 answer
Vector2 c++
C++
1 vote178 views1 answer
'std::ifstream file' has initializer but incomplete type
C++
1 vote134 views1 answer
Rapidjson write stringbuffer to file
C++
17 votes120 views1 answer
Input a string in c++
C++
0 vote136 views1 answer
Bitwise operator in C++ example programs
C++
0 vote131 views1 answer
C++ read entire file into a variable
C++