MATLAB File Help: cv.DescriptorMatcher

cv.DescriptorMatcher

Common interface for matching keypoint descriptors.

Class for matching keypoint descriptors.

Matchers of keypoint descriptors in OpenCV have wrappers with a common interface that enables you to easily switch between different algorithms solving the same problem. This section is devoted to matching descriptors that are represented as vectors in a multidimensional space. All objects that implement vector descriptor matchers inherit the DescriptorMatcher interface.

It has two groups of match methods: for matching descriptors of an image with another image or with an image set.

Example

X = rand(100,10);
Y = rand(100,10);
matcher = cv.DescriptorMatcher('BruteForce');
matcher.add(X);
matcher.train();  % Optional for BruteForce matcher
matches = matcher.match(Y);

Class Details

Superclasses	handle
Sealed	false
Construct on load	false

Constructor Summary

DescriptorMatcher

Creates a descriptor matcher by name.

Property Summary

Type	Type of the matcher
id	Object ID

Method Summary

	add	Adds descriptors to train a descriptor collection
	addlistener	Add listener for event.
	clear	Clears the train descriptor collection
	delete	Destructor
	empty	Returns true if there are no train descriptors in the collection
	eq	== (EQ) Test handle equality.
	findobj	Find objects matching specified conditions.
	findprop	Find property of MATLAB handle object.
	ge	>= (GE) Greater than or equal relation for handles.
	getDefaultName	Returns the algorithm string identifier
	getTrainDescriptors	Returns the train descriptor collection
	gt	> (GT) Greater than relation for handles.
	isMaskSupported	Returns true if the descriptor matcher supports masking permissible matches
Sealed	isvalid	Test handle validity.
	knnMatch	Finds the k best matches for each descriptor from a query set
	le	<= (LE) Less than or equal relation for handles.
	load	Loads algorithm from a file or a string
	lt	< (LT) Less than relation for handles.
	match	Finds the best match for each descriptor from a query set
	ne	~= (NE) Not equal relation for handles.
	notify	Notify listeners of event.
	radiusMatch	For each query descriptor, finds the training descriptors not farther than the specified distance
	save	Saves the algorithm parameters to a file
	train	Trains a descriptor matcher
	typeid	Name of the C++ type (RTTI)