set to linear interpolation type for upscaling with area interplation flag

2012-06-06 16:05:31 +00:00
parent 75eedf8b03
commit 16ef01efda
3 changed files with 5 additions and 2 deletions
--- a/modules/gpu/src/cuda/resize.cu
+++ b/modules/gpu/src/cuda/resize.cu
@@ -241,6 +241,9 @@ namespace cv { namespace gpu { namespace device
                ResizeDispatcher<CubicFilter, T>::call,
                ResizeDispatcher<AreaFilter, T>::call
            };
+            // chenge to linear if area interpolation upscaling
+            if (interpolation == 3 && (fx <= 1.f || fy <= 1.f))
+                interpolation = 1;

            callers[interpolation](static_cast< DevMem2D_<T> >(src), static_cast< DevMem2D_<T> >(srcWhole), xoff, yoff, fx, fy, 
                static_cast< DevMem2D_<T> >(dst), stream);