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DescriptorExtractor: added defaultNorm() to return default norm type.

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Added the defaultNorm() method to the DescriptorExtractor class. This method returns the default norm type for each descriptor type. The tests and C/C++ samples were updated to get the norm type directly from the DescriptorExtractor inherited classes.

This was reported in feature report #2182 (http://code.opencv.org/issues/2182). It will make it possible to get the norm type usually applied matching method for each descriptor, instead of passing it manually.
This commit is contained in:
Peter Andreas Entschev
2013-11-27 17:58:40 -02:00
parent 41ae5d5f66
commit 6f3163f62d
29 changed files with 94 additions and 26 deletions
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modules/features2d/doc/common_interfaces_of_descriptor_extractors.rst
+3
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@@ -35,6 +35,7 @@ Abstract base class for computing descriptors for image keypoints. ::
virtual int descriptorSize() const = 0;
virtual int descriptorType() const = 0;
virtual int defaultNorm() const = 0;
static Ptr<DescriptorExtractor> create( const String& descriptorExtractorType );
@@ -114,6 +115,7 @@ them into a single color descriptor. ::
virtual void write( FileStorage& ) const;
virtual int descriptorSize() const;
virtual int descriptorType() const;
virtual int defaultNorm() const;
protected:
...
};
@@ -141,6 +143,7 @@ Strecha C., Fua P. *BRIEF: Binary Robust Independent Elementary Features* ,
virtual void write( FileStorage& ) const;
virtual int descriptorSize() const;
virtual int descriptorType() const;
virtual int defaultNorm() const;
protected:
...
};