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different interpolation by double image (#23124)

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* different interpolation by double image

* fixing scaling mapping

* fixing a test

* added an option to enable previous interpolation

* added doxygen entries for the new parameter

* ASSERT_TRUE -> ASSERT_EQ

* changed log message when using old upscale mode
This commit is contained in:
Vaclav Vavra
2023-02-17 08:35:54 +01:00
committed by GitHub
parent 6c235c8edb
commit 923dbcc58f
6 changed files with 88 additions and 21 deletions
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modules/features2d/include/opencv2/features2d.hpp
+10 -2
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@@ -286,10 +286,14 @@ public:
@param sigma The sigma of the Gaussian applied to the input image at the octave \#0. If your image
is captured with a weak camera with soft lenses, you might want to reduce the number.
@param enable_precise_upscale Whether to enable precise upscaling in the scale pyramid, which maps
index \f$\texttt{x}\f$ to \f$\texttt{2x}\f$. This prevents localization bias. The option
to disable it (which is deprecated and issues a warning) is provided to keep the original behavior.
*/
CV_WRAP static Ptr<SIFT> create(int nfeatures = 0, int nOctaveLayers = 3,
double contrastThreshold = 0.04, double edgeThreshold = 10,
double sigma = 1.6);
double sigma = 1.6, bool enable_precise_upscale = true);
/** @brief Create SIFT with specified descriptorType.
@param nfeatures The number of best features to retain. The features are ranked by their scores
@@ -313,10 +317,14 @@ public:
is captured with a weak camera with soft lenses, you might want to reduce the number.
@param descriptorType The type of descriptors. Only CV_32F and CV_8U are supported.
@param enable_precise_upscale Whether to enable precise upscaling in the scale pyramid, which maps
index \f$\texttt{x}\f$ to \f$\texttt{2x}\f$. This prevents localization bias. The option
to disable it (which is deprecated and issues a warning) is provided to keep the original behavior.
*/
CV_WRAP static Ptr<SIFT> create(int nfeatures, int nOctaveLayers,
double contrastThreshold, double edgeThreshold,
double sigma, int descriptorType);
double sigma, int descriptorType, bool enable_precise_upscale = true);
CV_WRAP virtual String getDefaultName() const CV_OVERRIDE;