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video:fixed DISOpticalFlow segfault from small img

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Thang Tran
2019-05-27 08:18:26 +02:00
parent 6c6dd16acf
commit d1615ba11a
2 changed files with 93 additions and 2 deletions
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modules/video/test/test_OF_accuracy.cpp
+28
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@@ -121,6 +121,34 @@ TEST(DenseOpticalFlow_DIS, ReferenceAccuracy)
}
}
TEST(DenseOpticalFlow_DIS, InvalidImgSize_CoarsestLevelLessThanZero)
{
cv::Ptr<cv::DISOpticalFlow> of = cv::DISOpticalFlow::create();
const int mat_size = 10;
cv::Mat x(mat_size, mat_size, CV_8UC1, 42);
cv::Mat y(mat_size, mat_size, CV_8UC1, 42);
cv::Mat flow;
ASSERT_THROW(of->calc(x, y, flow), cv::Exception);
}
// make sure that autoSelectPatchSizeAndScales() works properly.
TEST(DenseOpticalFlow_DIS, InvalidImgSize_CoarsestLevelLessThanFinestLevel)
{
cv::Ptr<cv::DISOpticalFlow> of = cv::DISOpticalFlow::create();
const int mat_size = 80;
cv::Mat x(mat_size, mat_size, CV_8UC1, 42);
cv::Mat y(mat_size, mat_size, CV_8UC1, 42);
cv::Mat flow;
of->calc(x, y, flow);
ASSERT_EQ(flow.rows, mat_size);
ASSERT_EQ(flow.cols, mat_size);
}
TEST(DenseOpticalFlow_VariationalRefinement, ReferenceAccuracy)
{
Mat frame1, frame2, GT;