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Commit ffd283b7 authored by Alexander Mordvintsev's avatar Alexander Mordvintsev
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fixed SURF orientations, broken in r8892 

(see also r8895, r8887 and #2043)
parent 0b4e96d8
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modules/nonfree/src/surf.cpp
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......@@ -681,8 +681,8 @@ struct SURFInvoker
if( !upright )
{
descriptor_dir *= (float)(CV_PI/180);
float sin_dir = std::sin(descriptor_dir);
float cos_dir = std::cos(descriptor_dir);
float sin_dir = -std::sin(descriptor_dir);
float cos_dir = std::cos(descriptor_dir);
/* Subpixel interpolation version (slower). Subpixel not required since
the pixels will all get averaged when we scale down to 20 pixels */
......
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