三. 2d-2d三角化求路標point

int main(int argc, char** argv) { Mat img_1 = imread("1.png"); Mat img_2 = imread("2.png");   vector<KeyPoint> keypoints_1, keypoints_2; vector<DMatch> matches; //1. 求特徵點(keypoints)和描述子之間匹配(matches) 

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