CudaSegment Class Reference

CUDA Segmentation class. More...

#include <cudasegment.h>

List of all members.

Public Member Functions
void	CopyProbsToDevice (Image< float > **probs_h)
	Copy probabilities to GPU.
	CudaSegment (int width, int height)
	Constructor.
void	Execute (FgBgSegment &segment, Image< uchar > &cimg, Image< float > &dimg, int numFigures, bool download=true)
	Execute Segmentation.
	~CudaSegment ()
Static Public Attributes
static const int	max_figures = 8
	Maximum number of foreground objects.
Private Member Functions
float	ComputeBeta (uchar *image_d)
	Compute the surface parameter beta.
void	CreateHistograms (FgBgSegment &segment)
	Create all histograms.
void	SetGradientCosts (uchar *image_d, float beta, float gamma)
	Set gradient costs.
Private Attributes
uchar *	allocated_d
	Memory allocation block pointer.
float *	beliefs_d [max_figures+2]
	Posterior label beliefs.
uint *	bins_d
	Colour histogram bin indices.
uchar *	cimd_d
	Colour image.
float *	costh_d
	Horizontal Gradient costs.
float *	costv_d
	Vertical Gradient costs.
float *	dimd_d
	Disparity map.
int	height
	Image height.
float *	priors_d [max_figures+2]
	Prior label probabilities.
float *	probs_d [max_figures+2]
	Posterior label probabilities.
int *	sums_d
	Partial gradient magnitude sums.
uchar *	vimd_d
	Gray-level image.
int	width
	Image width.

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Detailed Description

CUDA Segmentation class.

Definition at line 43 of file cudasegment.h.

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Constructor & Destructor Documentation

CudaSegment::CudaSegment	(	int	width,
		int	height
	)

Constructor.

Segmentation

Parameters:

width	Width of the Image
height	Height of the Image

CudaSegment::~CudaSegment

(

)

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Member Function Documentation

float CudaSegment::ComputeBeta

(

uchar *

image_d

)

[private]

Compute the surface parameter beta.

Compute the surface parameter beta

Parameters:

image_d

Disparity image

Returns:

Beta

void CudaSegment::CopyProbsToDevice

(

Image< float > **

probs_h

)

Copy probabilities to GPU.

void CudaSegment::CreateHistograms

(

FgBgSegment &

segment

)

[private]

Create all histograms.

Create all histograms for foreground, background and flat surface hypotheses. Currently not used because works only for smal histograms.

Parameters:

segment

Segmentation object

void CudaSegment::Execute	(	FgBgSegment &	segment,
		Image< uchar > &	cimg,
		Image< float > &	dimg,
		int	numFigures,
		bool	download = true
	)

Execute Segmentation.

Execute Segmentation on GPU

Parameters:

segment	Segmentation Object
cimg	RGB input Image
dimg	Disparity Image
numFigures	Number of foreground objects
download	Whether or not to copy new image data onto GPU

void CudaSegment::SetGradientCosts	(	uchar *	image_d,
		float	beta,
		float	gamma
	)		[private]

Set gradient costs.

Set gradient costs

Parameters:

image_d	Disparity image
beta	surface parameter beta
gamma

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Member Data Documentation

uchar* CudaSegment::allocated_d [private]

Memory allocation block pointer.

Definition at line 54 of file cudasegment.h.

float* CudaSegment::beliefs_d[max_figures+2] [private]

Posterior label beliefs.

Definition at line 72 of file cudasegment.h.

uint* CudaSegment::bins_d [private]

Colour histogram bin indices.

Definition at line 62 of file cudasegment.h.

uchar* CudaSegment::cimd_d [private]

Colour image.

Definition at line 56 of file cudasegment.h.

float* CudaSegment::costh_d [private]

Horizontal Gradient costs.

Definition at line 66 of file cudasegment.h.

float* CudaSegment::costv_d [private]

Vertical Gradient costs.

Definition at line 68 of file cudasegment.h.

float* CudaSegment::dimd_d [private]

Disparity map.

Definition at line 60 of file cudasegment.h.

int CudaSegment::height [private]

Image height.

Definition at line 52 of file cudasegment.h.

const int CudaSegment::max_figures = 8 [static]

Maximum number of foreground objects.

Definition at line 47 of file cudasegment.h.

float* CudaSegment::priors_d[max_figures+2] [private]

Prior label probabilities.

Definition at line 70 of file cudasegment.h.

float* CudaSegment::probs_d[max_figures+2] [private]

Posterior label probabilities.

Definition at line 74 of file cudasegment.h.

int* CudaSegment::sums_d [private]

Partial gradient magnitude sums.

Definition at line 64 of file cudasegment.h.

uchar* CudaSegment::vimd_d [private]

Gray-level image.

Definition at line 58 of file cudasegment.h.

int CudaSegment::width [private]

Image width.

Definition at line 50 of file cudasegment.h.

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

• cudasegment.h