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imgproc: add src.empty() checks in filter operations

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This commit is contained in:
Alexander Alekhin
2020-03-20 21:04:29 +00:00
parent 183e4d50ed
commit 0fb4f2cc9c
9 changed files with 103 additions and 0 deletions
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modules/imgproc/src/deriv.cpp
+6
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@@ -416,6 +416,8 @@ void cv::Sobel( InputArray _src, OutputArray _dst, int ddepth, int dx, int dy,
{
CV_INSTRUMENT_REGION();
CV_Assert(!_src.empty());
int stype = _src.type(), sdepth = CV_MAT_DEPTH(stype), cn = CV_MAT_CN(stype);
if (ddepth < 0)
ddepth = sdepth;
@@ -468,6 +470,8 @@ void cv::Scharr( InputArray _src, OutputArray _dst, int ddepth, int dx, int dy,
{
CV_INSTRUMENT_REGION();
CV_Assert(!_src.empty());
int stype = _src.type(), sdepth = CV_MAT_DEPTH(stype), cn = CV_MAT_CN(stype);
if (ddepth < 0)
ddepth = sdepth;
@@ -785,6 +789,8 @@ void cv::Laplacian( InputArray _src, OutputArray _dst, int ddepth, int ksize,
{
CV_INSTRUMENT_REGION();
CV_Assert(!_src.empty());
int stype = _src.type(), sdepth = CV_MAT_DEPTH(stype), cn = CV_MAT_CN(stype);
if (ddepth < 0)
ddepth = sdepth;