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I was using OpenCV2.4.3 precompile version with vc10, I wanted to use the flannBaseMatcher with HierarchicalClusteringIndexParams, here's the code:

cv::DescriptorMatcher* matcher = new cv::FlannBasedMatcher(new flann::HierarchicalClusteringIndexParams());

the program got runtime error at line:

matcher->train();

I use the binary features such as BRISK. lsh is ok, but someone pointed that HierarchicalClustering is faster.but I got no luck! is there somebody can help me out?