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特征提取与检测13-FLANN特征匹配

谁知我新 2022-02-12 阅读 45

FLANN特征匹配

    FLANN特征匹配介绍

    代码演示

FLANN特征匹配介绍

    快速最近邻逼近搜索函数库(Fast Approximate Nearest Neighbor Search Library)

    http://www.cs.ubc.ca/research/flann/

代码演示

#include <opencv2/opencv.hpp>
#include <opencv2/xfeatures2d.hpp>
#include <iostream>
#include <math.h>


using namespace cv;
using namespace std;
using namespace cv::xfeatures2d;


int main(int argc, char** argv) {
    Mat img1 = imread("D:/vcprojects/images/box.png", IMREAD_GRAYSCALE);
    Mat img2 = imread("D:/vcprojects/images/box_in_scene.png", IMREAD_GRAYSCALE);
    if (!img1.data || !img2.data) {
        return -1;
    }
    imshow("object image", img1);
    imshow("object in scene", img2);


    // surf featurs extraction
    int minHessian = 400;
    Ptr<SURF> detecto
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