ikmeans_init.tc File Reference

Integer K-Means - Initialization - Definition. More...

#include "random.h"

Go to the source code of this file.

Functions
static void	alloc (VlIKMFilt *f, int M, int K)
	Helper function to allocate memory for an IKM quantizer.
static void	vl_ikm_init_helper (VlIKMFilt *f)
	Helper function to initialize the quantizer.
void	vl_ikm_init (VlIKMFilt *f, vl_ikm_acc const *centers, int M, int K)
	Initialize quantizer with centers.
void	vl_ikm_init_rand (VlIKMFilt *f, int M, int K)
	Initialize quantizer with random centers.
void	vl_ikm_init_rand_data (VlIKMFilt *f, vl_uint8 const *data, int M, int N, int K)
	Initialize with centers from random data.

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Detailed Description

For internal use only.

Author:

Andrea Vedaldi

Definition in file ikmeans_init.tc.

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Function Documentation

static void alloc	(	VlIKMFilt *	f,
		int	M,
		int	K
	)			[static]

For internal use only.

Parameters:

	f	quantizer.
	M	data dimensionality.
	K	number of clusters.

Definition at line 51 of file ikmeans_init.tc.

References vl_free(), and vl_malloc().

Referenced by vl_ikm_init(), vl_ikm_init_rand(), and vl_ikm_init_rand_data().

void vl_ikm_init	(	VlIKMFilt *	f,
		vl_ikm_acc const *	centers,
		int	M,
		int	K
	)

Parameters:

	f	IKM quantizer.
	centers	centers.
	M	data dimensionality.
	K	number of clusters.

Definition at line 82 of file ikmeans_init.tc.

References alloc(), and vl_ikm_init_helper().

static void vl_ikm_init_helper

(

VlIKMFilt *

f

)

[static]

Parameters:

f

IKM quantizer.

Definition at line 65 of file ikmeans_init.tc.

References VL_IKM_ELKAN, vl_ikm_init_elkan(), vl_ikm_init_lloyd(), and VL_IKM_LLOYD.

Referenced by vl_ikm_init(), vl_ikm_init_rand(), and vl_ikm_init_rand_data().

void vl_ikm_init_rand	(	VlIKMFilt *	f,
		int	M,
		int	K
	)

Parameters:

	f	IKM quantizer.
	M	data dimensionality.
	K	number of clusters.

Definition at line 100 of file ikmeans_init.tc.

References alloc(), vl_get_rand(), vl_ikm_init_helper(), and vl_rand_uint32().

void vl_ikm_init_rand_data	(	VlIKMFilt *	f,
		vl_uint8 const *	data,
		int	M,
		int	N,
		int	K
	)

Parameters:

	f	IKM quantizer.
	data	data.
	M	data dimensionality.
	N	number of data.
	K	number of clusters.

Definition at line 127 of file ikmeans_init.tc.

References alloc(), vl_free(), vl_get_rand(), vl_ikm_init_helper(), vl_malloc(), and vl_rand_uint32().

Referenced by xmeans().