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2020-04-15 04:55:21 -0500 received badge  Enthusiast
2020-04-11 08:02:01 -0500 commented question LSH knnSearch slow in large dataset

looking at C++ code seems that distance type can be passed as 3rd parameter to build function of any Index. HAMMING shou

2020-04-10 10:04:08 -0500 received badge  Supporter (source)
2020-04-10 10:03:54 -0500 commented question iOS OpenCV: Image matching with ORB leads to EXC_BAD_ACCESS

I found the culprit. cv::ORB *orb = cv::ORB::create(); should be cv::Ptr<cv::ORB> orb = cv::ORB::create(); othe

2020-04-10 03:17:41 -0500 commented question iOS OpenCV: Image matching with ORB leads to EXC_BAD_ACCESS

I'm facing same issue, did you finally solve that? I'm use OpenCV 4.3 ... but I'm not sure if contrib is required for de

2020-04-09 12:11:14 -0500 commented question LSH knnSearch slow in large dataset

Thanks @berak but scikit is a lot slower (500x in KDTree implementation). I've also tried OpenCV Kmeans (using float des

2020-04-09 12:10:18 -0500 commented question LSH knnSearch slow in large dataset

Thanks @berak but scikit is a lot slower (500x in KDTree implementation). I've also tried OpenCV Kmeans (using float des

2020-04-09 12:09:42 -0500 commented question LSH knnSearch slow in large dataset

Thanks @berak but scikit seems to be a lot slower (500x in KDTree implementation). I've also tried OpenCV Kmeans (using

2020-04-09 04:56:39 -0500 commented question LSH knnSearch slow in large dataset

@hha1 each image should have more than 1 descriptor! In my case 10K images means a few million descriptors (how many dep

2020-04-09 04:55:48 -0500 commented question LSH knnSearch slow in large dataset

@hha1 each image should have more than 1 descriptor! In my case 10K images means a few million descriptors (how many dep

2020-04-09 04:55:34 -0500 commented question LSH knnSearch slow in large dataset

@hha1 each image should have more than 1 descriptor! In my case 10K images means a few million descriptors (how many dep

2020-04-08 13:43:12 -0500 commented question LSH knnSearch slow in large dataset

@hha1 look at cv2.flann_Index and knnSearch, I can post code if you are more specific about your problem

2020-04-08 13:41:06 -0500 commented question LSH knnSearch slow in large dataset

@berak yes I’m saving keypoints, descriptors and index. At startup I load them and then I start processing query images

2020-04-08 10:44:44 -0500 received badge  Student (source)
2020-04-08 10:32:17 -0500 asked a question LSH knnSearch slow in large dataset

LSH knnSerach slow in large dataset I'm using python version of OpenCV 4.2 and I'm trying to do feature matching inside