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fixing bug #3345

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This commit is contained in:
Seunghoon Park 2013-12-28 14:45:41 -05:00
parent 4ce684e61c
commit b036fc756a
2 changed files with 31 additions and 1 deletions
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2
modules/imgproc/src/smooth.cpp
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@ -718,7 +718,7 @@ void cv::boxFilter( InputArray _src, OutputArray _dst, int ddepth,
ddepth = sdepth;
_dst.create( src.size(), CV_MAKETYPE(ddepth, cn) );
Mat dst = _dst.getMat();
if( borderType != BORDER_CONSTANT && normalize )
if( borderType != BORDER_CONSTANT && normalize && (borderType & BORDER_ISOLATED) != 0 )
{
if( src.rows == 1 )
ksize.height = 1;

30
modules/imgproc/test/test_filter.cpp
View File

@ -1886,3 +1886,33 @@ protected:
};
TEST(Imgproc_Filtering, supportedFormats) { CV_FilterSupportedFormatsTest test; test.safe_run(); }
TEST(Imgproc_Blur, borderTypes)
{
Size kernelSize(3, 3);
/// ksize > src_roi.size()
Mat src(3, 3, CV_8UC1, cv::Scalar::all(255)), dst;
Mat src_roi = src(Rect(1, 1, 1, 1));
src_roi.setTo(cv::Scalar::all(0));
// should work like !BORDER_ISOLATED
blur(src_roi, dst, kernelSize, Point(-1, -1), BORDER_REPLICATE);
EXPECT_EQ(227, dst.at<uchar>(0, 0));
// should work like BORDER_ISOLATED
blur(src_roi, dst, kernelSize, Point(-1, -1), BORDER_ISOLATED);
EXPECT_EQ(0, dst.at<uchar>(0, 0));
/// ksize <= src_roi.size()
src = Mat(5, 5, CV_8UC1, cv::Scalar(255));
src_roi = src(Rect(1, 1, 3, 3));
src_roi.setTo(0);
src.at<uchar>(2, 2) = 255;
// should work like !BORDER_ISOLATED
blur(src_roi, dst, kernelSize, Point(-1, -1), BORDER_REPLICATE);
Mat expected_dst =
(Mat_<uchar>(3, 3) << 170, 113, 170, 113, 28, 113, 170, 113, 170);
EXPECT_EQ(9 * 255, cv::sum(expected_dst == dst).val[0]);
}