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Merge pull request #17772 from mshabunin:fix-match-umat-mask

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This commit is contained in:
Alexander Alekhin 2020-07-10 10:53:55 +00:00
commit d2469edd10
2 changed files with 24 additions and 6 deletions
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15
modules/features2d/src/matchers.cpp
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@ -622,15 +622,20 @@ void DescriptorMatcher::checkMasks( InputArrayOfArrays _masks, int queryDescript
if( isMaskSupported() && !masks.empty() )
{
// Check masks
size_t imageCount = std::max(trainDescCollection.size(), utrainDescCollection.size() );
const size_t imageCount = std::max(trainDescCollection.size(), utrainDescCollection.size() );
CV_Assert( masks.size() == imageCount );
for( size_t i = 0; i < imageCount; i++ )
{
if( !masks[i].empty() && (!trainDescCollection[i].empty() || !utrainDescCollection[i].empty() ) )
if (masks[i].empty())
continue;
const bool hasTrainDesc = !trainDescCollection.empty() && !trainDescCollection[i].empty();
const bool hasUTrainDesc = !utrainDescCollection.empty() && !utrainDescCollection[i].empty();
if (hasTrainDesc || hasUTrainDesc)
{
int rows = trainDescCollection[i].empty() ? utrainDescCollection[i].rows : trainDescCollection[i].rows;
CV_Assert( masks[i].rows == queryDescriptorsCount &&
masks[i].cols == rows && masks[i].type() == CV_8UC1);
const int rows = hasTrainDesc ? trainDescCollection[i].rows : utrainDescCollection[i].rows;
CV_Assert(masks[i].type() == CV_8UC1
&& masks[i].rows == queryDescriptorsCount
&& masks[i].cols == rows);
}
}
}

15
modules/features2d/test/test_matchers_algorithmic.cpp
View File

@ -565,7 +565,6 @@ TEST(Features2d_DMatch, issue_11855)
1, 1, 1);
Mat targets = (Mat_<uchar>(2, 3) << 1, 1, 1,
0, 0, 0);
Ptr<BFMatcher> bf = BFMatcher::create(NORM_HAMMING, true);
vector<vector<DMatch> > match;
bf->knnMatch(sources, targets, match, 1, noArray(), true);
@ -577,4 +576,18 @@ TEST(Features2d_DMatch, issue_11855)
EXPECT_EQ(0.0f, match[0][0].distance);
}
TEST(Features2d_DMatch, issue_17771)
{
Mat sources = (Mat_<uchar>(2, 3) << 1, 1, 0,
1, 1, 1);
Mat targets = (Mat_<uchar>(2, 3) << 1, 1, 1,
0, 0, 0);
UMat usources = sources.getUMat(ACCESS_READ);
UMat utargets = targets.getUMat(ACCESS_READ);
vector<vector<DMatch> > match;
Ptr<BFMatcher> ubf = BFMatcher::create(NORM_HAMMING);
Mat mask = (Mat_<uchar>(2, 2) << 1, 0, 0, 1);
EXPECT_NO_THROW(ubf->knnMatch(usources, utargets, match, 1, mask, true));
}
}} // namespace