added assertion for small image sizes to SURF_GPU (ticket #1323)

2011-09-05 06:03:49 +00:00
parent 914ed44e28
commit b371bd68df
2 changed files with 26 additions and 15 deletions
--- a/modules/gpu/src/cuda/surf.cu
+++ b/modules/gpu/src/cuda/surf.cu
@@ -323,7 +323,7 @@ namespace cv { namespace gpu { namespace surf
        const int layer_rows = img_rows >> octave;
        const int layer_cols = img_cols >> octave;

-        int min_margin = ((calcSize(octave, 2) >> 1) >> octave) + 1;
+        const int min_margin = ((calcSize(octave, 2) >> 1) >> octave) + 1;

        dim3 threads(16, 16);