Fixed crash in SSE implementation of FREAK descriptor when number of pairs is set to something other than 512.

See http://code.opencv.org/issues/3889 for more details
2014-09-01 09:37:33 +12:00 · 2014-09-01 09:37:33 +12:00 · fcc481e751
commit fcc481e751
parent 1984aacb27
1 changed files with 1 additions and 1 deletions
--- a/modules/features2d/src/freak.cpp
+++ b/modules/features2d/src/freak.cpp
@ -394,7 +394,7 @@ void FREAK::computeImpl( const Mat& image, std::vector<KeyPoint>& keypoints, Mat
                (*ptr) = result128;
                ++ptr;
            }
-            ptr -= 8;
+            ptr -= (FREAK_NB_PAIRS/128)*2;
 #else
            // extracting descriptor preserving the order of SSE version
            int cnt = 0;