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Implementation of bit-exact resize. Internal calls to linear resize updated to use bit-exact version. (#9468)

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This commit is contained in:
Vitaly Tuzov
2017-12-13 15:00:38 +03:00
committed by Vadim Pisarevsky
parent 84ee4d701a
commit 51cb56ef2c
57 changed files with 1300 additions and 112 deletions
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modules/dnn/src/dnn.cpp
+2 -2
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@@ -108,14 +108,14 @@ Mat blobFromImages(const std::vector<Mat>& images_, double scalefactor, Size siz
{
float resizeFactor = std::max(size.width / (float)imgSize.width,
size.height / (float)imgSize.height);
resize(images[i], images[i], Size(), resizeFactor, resizeFactor);
resize(images[i], images[i], Size(), resizeFactor, resizeFactor, INTER_LINEAR);
Rect crop(Point(0.5 * (images[i].cols - size.width),
0.5 * (images[i].rows - size.height)),
size);
images[i] = images[i](crop);
}
else
resize(images[i], images[i], size);
resize(images[i], images[i], size, 0, 0, INTER_LINEAR);
}
if(images[i].depth() == CV_8U)
images[i].convertTo(images[i], CV_32F);