Kmeans Class Reference

Kmeans is a Quantizer implementation that utilizes the k-means algorithm (as well as k-means++ if requested) to select appropriate representatives (that is, build its codebook). More...

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List of all members.

Public Member Functions
	Kmeans (Vector< Accel3D > in)
	Constructs a Kmeans quantizer with a given 3D acceleration data set.
	Kmeans (KmeansParameters params, Vector< Accel3D > in)
	Constructs a Kmeans quantizer with a given set of k-means parameters and a 3D acceleration data set.
int	translate (Accel3D acc)
	For Kmeans, translates to the index of the closest mean determined by the k-means algorithm.
int	getNumMeans ()
	Accessor for the number of means.
int	size ()
	For Kmeans, the size corresponds to the number of means (k).
Accel3D[]	getMeans ()
	Returns the array of Accel3Ds making up the means for this Quantizer.
Vector< Accel3D >	getDataSet ()
	Accessor for the data set utilized by this Quantizer.
void	setDataSet (Vector< Accel3D > data)
	Sets the data set to use in this Quantizer.
int	getType ()
	Accessor for the Quantizer type index.
Static Public Attributes
static final int	KMEANS = 0
	This is the Quantizer type index for Kmeans quantizers.
static final int	NUM_TYPES_SUPPORTED = 1
	This is the number of Quantizer implementations currently supported by Quantizer.
Protected Attributes
int	k
Accel3D[]	oldMeans
Accel3D[]	means
Vector< Accel3D >	trainingSet

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Detailed Description

Kmeans is a Quantizer implementation that utilizes the k-means algorithm (as well as k-means++ if requested) to select appropriate representatives (that is, build its codebook).

Author:

Team Better Recognize

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Constructor & Destructor Documentation

Kmeans

(

Vector< Accel3D >

in

)

Constructs a Kmeans quantizer with a given 3D acceleration data set.

Parameters:

in

a set of Accel3D values

Kmeans	(	KmeansParameters	params,
		Vector< Accel3D >	in
	)

Constructs a Kmeans quantizer with a given set of k-means parameters and a 3D acceleration data set.

Parameters:

	params	quantizing parameters
	in	a set of Accel3D values

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Member Function Documentation

Vector<Accel3D> getDataSet

(

)

Accessor for the data set utilized by this Quantizer.

Returns:

the data set for the Quantizer

Implements Quantizer.

Accel3D [] getMeans

(

)

Returns the array of Accel3Ds making up the means for this Quantizer.

Returns:

the array of Accel3Ds making up the means for this Quantizer.

int getNumMeans

(

)

Accessor for the number of means.

Returns:

the number of means.

int getType

(

)

Accessor for the Quantizer type index.

Should return the value as specified in the Quantizer interface.

Returns:

the Quantizer type index.

Implements Quantizer.

void setDataSet

(

Vector< Accel3D >

data

)

Sets the data set to use in this Quantizer.

Parameters:

data

the data set to assign to this Quantizer

Implements Quantizer.

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int size

(

)

For Kmeans, the size corresponds to the number of means (k).

Implements Quantizer.

int translate

(

Accel3D

acc

)

For Kmeans, translates to the index of the closest mean determined by the k-means algorithm.

Implements Quantizer.

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Member Data Documentation

int k [protected]

final int KMEANS = 0 [static, inherited]

This is the Quantizer type index for Kmeans quantizers.

Accel3D [] means [protected]

final int NUM_TYPES_SUPPORTED = 1 [static, inherited]

This is the number of Quantizer implementations currently supported by Quantizer.

Accel3D [] oldMeans [protected]

Vector<Accel3D> trainingSet [protected]

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The documentation for this class was generated from the following file:

• /Users/dev/Documents/SVN brazos.cs.tcu.edu/trunk/FROG/src/frog/Kmeans.java