fixed surf for upright case

13 years ago · afc0cf8c4e
parent 29f86df585
commit afc0cf8c4e
1 changed files with 1 additions and 1 deletions
--- a/modules/nonfree/src/surf.cpp
+++ b/modules/nonfree/src/surf.cpp
@ -615,7 +615,7 @@ struct SURFInvoker
                continue;
            }

-            float descriptor_dir = 90.f;
+            float descriptor_dir = 360.f - 90.f;
            if (upright == 0)
            {
                resizeHaarPattern( dx_s, dx_t, NX, 4, grad_wav_size, sum->cols );