fixed bug in cv::Sobel (ddepth < 0)

14 years ago · bf29b16d1d
parent 58e26313dd
commit bf29b16d1d
1 changed files with 2 additions and 0 deletions
--- a/modules/imgproc/src/deriv.cpp
+++ b/modules/imgproc/src/deriv.cpp
@ -474,6 +474,8 @@ void cv::Sobel( const InputArray& _src, OutputArray _dst, int ddepth, int dx, in
                int ksize, double scale, double delta, int borderType )
 {
    Mat src = _src.getMat();
+    if (ddepth < 0)
+        ddepth = src.depth();
    _dst.create( src.size(), CV_MAKETYPE(ddepth, src.channels()) );
    Mat dst = _dst.getMat();