Add a new method for initializing KMeans centers that leads to better clusters and thus better retrieval when final centers have to be existing keypoints instead of clusters barycenters.

2013-12-26 02:56:28 +01:00
parent 65b020f0d3
commit 112d63ae96
2 changed files with 82 additions and 0 deletions
--- a/modules/flann/include/opencv2/flann/defines.h
+++ b/modules/flann/include/opencv2/flann/defines.h
@@ -107,6 +107,7 @@ enum flann_centers_init_t
    FLANN_CENTERS_RANDOM = 0,
    FLANN_CENTERS_GONZALES = 1,
    FLANN_CENTERS_KMEANSPP = 2,
+    FLANN_CENTERS_GROUPWISE = 3,

    // deprecated constants, should use the FLANN_CENTERS_* ones instead
    CENTERS_RANDOM = 0,