
How does FLANN select what algorithm and parameters to use?
Oct 19, 2020 · 4 FLANN (Fast Library for Approximate Nearest Neighbors) is a library for performing fast approximate nearest neighbor searches in high dimensional spaces. It contains a collection of …
Difference between BFMatcher and FlannBasedMatcher
Aug 7, 2018 · To add to the above answer, FLANN builds an efficient data structure (KD-Tree) that will be used to search for an approximate neighbour, while cv::BFMatcher does an exhaustive search …
c++ - How to use opencv flann::Index? - Stack Overflow
Dec 7, 2016 · Reading FLANN index error: the saved data size (100, 64) or type (5) is different from the passed one (0, 0), 0 which means, that the matrix has to be initialized with the correct dimensions …
CMake - FLANN library does not build (for PCL library)
CMake - FLANN library does not build (for PCL library) Asked 6 years, 3 months ago Modified 5 years, 10 months ago Viewed 6k times
Building FLANN with Cmake fails - Stack Overflow
Jun 8, 2018 · The project's CMakeLists.txt uses add_library(flann_cpp SHARED ""). They want to build a header-only library, but in CMake building the library without sources is not a right way. BTW, they …
OpenCV - Use FLANN with ORB descriptors to match features
May 7, 2017 · I am using OpenCV 3.2 I am trying to use FLANN to match features descriptors in a faster way than brute force. // Ratio to the second neighbor to consider a good match. #define RATIO 0.75 …
How to build flann in windows 10 from source? - Stack Overflow
Jun 14, 2019 · I was trying to build flann from source in Windows-10 using cmake. During the installation process it says it cannot find liblz4. I tried two method : 1) So I downloaded the prebuild lz4 from he...
How to use flann based matcher, or generally flann in opencv?
Apr 2, 2013 · How to use flann based matcher, or generally flann in opencv? Asked 14 years, 10 months ago Modified 12 years, 10 months ago Viewed 19k times
c++ - "pcl::KdTreeFLANN" is extremely slow - Stack Overflow
Oct 17, 2024 · A few things: PCL has RadiusOutlierRemoval and StatisticalOutlierRemoval filters. Have you tried those? They may be faster. Second, I would suggest to first filter by intensity, then (on the …
flann/util/serialization.h class std::unordered_map<unsigned int, std ...
Feb 28, 2017 · flann/util/serialization.h class std::unordered_map<unsigned int, std::vector<unsigned int> >' has no member named 'serialize' Asked 8 years, 11 months ago Modified 8 years, 6 months …