fixed surf for upright case

fdfa4024 · marina.kolpakova · cf92e4b4 · fdfa4024
Commit fdfa4024 authored Jul 25, 2012 by marina.kolpakova
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surf.cpp modules/nonfree/src/surf.cpp +1 -1

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--- 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 );