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c++ Programming Glossary: keypoints

Algorithm improvement for Coca-Cola can shape recognition

http://stackoverflow.com/questions/10168686/algorithm-improvement-for-coca-cola-can-shape-recognition

An alternative approach would be to extract features keypoints using the scale invariant feature transform SIFT or Speeded.. features you can also handle occlusion as long as enough keypoints are visible . Image source tutorial example The processing takes..

scale and rotation Template matching

http://stackoverflow.com/questions/10666436/scale-and-rotation-template-matching

object in scene. Update In short algorithm is this Finding keypoints of your object image 1.1. Extracting descriptors from those.. your object image 1.1. Extracting descriptors from those keypoints Finding keypoints of your scene image 2.1 Extracting descriptors.. 1.1. Extracting descriptors from those keypoints Finding keypoints of your scene image 2.1 Extracting descriptors from keypoints..

OpenCV SURF function is not implemented

http://stackoverflow.com/questions/11175794/opencv-surf-function-is-not-implemented

values with a hessian greater than 500 are considered for keypoints CvSURFParams params cvSURFParams 500 1 cvExtractSURF image1..

Blobs with OpenCV. Which library is best? [closed]

http://stackoverflow.com/questions/13530054/blobs-with-opencv-which-library-is-best

and then call the detect cv Mat input vector cv KeyPoint keypoints cv Mat mask function with a cv Mat image as input an empty vector.. function with a cv Mat image as input an empty vector for keypoints and another cv Mat as an optional mask for a specific area of.. optional mask for a specific area of the image to look for keypoints in. Note that the cv Mat object has taken over image and matrix..

Getting error using SVM with SURF

http://stackoverflow.com/questions/18391673/getting-error-using-svm-with-surf

Mat row_img cv imread Dir i 0 detector.detect row_img keypoints RetainBestKeypoints keypoints 20 retain top 10 key points extractor.. i 0 detector.detect row_img keypoints RetainBestKeypoints keypoints 20 retain top 10 key points extractor compute row_img keypoints.. 20 retain top 10 key points extractor compute row_img keypoints descriptors_1 uncluster.push_back descriptors_1 descriptors.reshape..

OpenCV - Object matching using SURF descriptors and BruteForceMatcher

http://stackoverflow.com/questions/7296915/opencv-object-matching-using-surf-descriptors-and-bruteforcematcher

My code Mat image1 outImg1 image2 outImg2 vector of keypoints vector KeyPoint keypoints1 keypoints2 Read input images image1.. outImg1 image2 outImg2 vector of keypoints vector KeyPoint keypoints1 keypoints2 Read input images image1 imread C Google Logo.jpg.. outImg2 vector of keypoints vector KeyPoint keypoints1 keypoints2 Read input images image1 imread C Google Logo.jpg 0 image2..

Stitching 2 images in opencv

http://stackoverflow.com/questions/8205835/stitching-2-images-in-opencv

2 images just for start for panography. I ve already found keypoints found homography using RANSAC but I can't figure out how to.. points1 points2 for int i 0 i good_matches.size i Get the keypoints from the good matches points1.push_back keypoints1 good_matches.. Get the keypoints from the good matches points1.push_back keypoints1 good_matches i .queryIdx .pt points2.push_back keypoints2 good_matches..