Better NEON Hamming distance

2011-10-26 13:04:53 +00:00
parent 509730c1cd
commit d7ff92439d
5 changed files with 42 additions and 38 deletions
--- a/modules/flann/src/miniflann.cpp
+++ b/modules/flann/src/miniflann.cpp
@@ -312,7 +312,11 @@ buildIndex(void*& index, const Mat& data, const IndexParams& params, const Dista
    buildIndex_<Distance, ::cvflann::Index<Distance> >(index, data, params, dist);
 }

+#if CV_NEON
+typedef ::cvflann::Hamming<uchar> HammingDistance;
+#else
 typedef ::cvflann::HammingLUT HammingDistance;
+#endif
 typedef ::cvflann::LshIndex<HammingDistance> LshIndex;

 Index::Index()