fix ddepth to match output matrices

otherwise we get a failed assertion from OutputArray::create
9 years ago · ada87a9975
parent 9d12e14f6f
commit ada87a9975
1 changed files with 2 additions and 2 deletions
--- a/modules/ximgproc/src/niblack_thresholding.cpp
+++ b/modules/ximgproc/src/niblack_thresholding.cpp
@ -70,9 +70,9 @@ void niBlackThreshold( InputArray _src, OutputArray _dst, double maxValue,
    if( src.data != dst.data )
        mean = dst;

-    boxFilter( src, mean, CV_64F, Size(blockSize, blockSize),
+    boxFilter( src, mean, CV_32F, Size(blockSize, blockSize),
            Point(-1,-1), true, BORDER_REPLICATE );
-    sqrBoxFilter( src, sqmean, CV_64F, Size(blockSize, blockSize),
+    sqrBoxFilter( src, sqmean, CV_32F, Size(blockSize, blockSize),
            Point(-1,-1), true, BORDER_REPLICATE );

    // Compute (k * standard deviation) in the neighborhood of each pixel