icl::cv::clsurf::Surf Class Reference

OpenCL-based Surf Feature detector implmentation (by AMD) More...

#include <CLSurfLib.h>

Public Member Functions
ICLCV_API	Surf (int initialPoints, int i_height, int i_width, int octaves, int intervals, int sample_step, float threshold)
	initializer (OpenCL initialization is performed internally) More...
ICLCV_API	~Surf ()
ICLCV_API const IpVec &	detect (const core::ImgBase *image)
	our own ICL-based detection method More...

Private Member Functions
void	createKernels ()
void	computeIntegralImage (const icl::core::Img32f &source)
	Compute the integral image. More...
void	createDescriptors (int i_width, int i_height)
	Create the SURF descriptors. More...
void	getOrientations (int i_width, int i_height)
	Calculate Orientation for each Ipoint. More...
void	reallocateIptBuffers ()
	Rellocate OpenCL buffers if the number of ipoints is too high. More...
void	reset ()
	Resets the object state so that SURF can be run on a new frame. More...
const IpVec &	retrieveDescriptors ()
	Copy the descriptors from the GPU to the host. More...
void	run (const icl::core::Img32f &image, bool upright)
	Run the main SURF loop. More...

Private Attributes
Data *	m_data
	hidden implementation More...
CLProgram	program
CLKernel	createDescrtptorsKernel
CLKernel	getOrientationStep1Kernel
CLKernel	getOrientationStep2Kernel
CLKernel	hessian_detKernel
CLKernel	scanKernel
CLKernel	scan4Kernel
CLKernel	scanImageKernel
CLKernel	transposeKernel
CLKernel	transposeImageKernel
CLKernel	nearestNeighborKernel
CLKernel	non_max_supressionKernel
CLKernel	normalizeDescriptorsKernel

Detailed Description

OpenCL-based Surf Feature detector implmentation (by AMD)

Copyright (c) 2011, Advanced Micro Devices, Inc. (see license text)

Constructor & Destructor Documentation

Surf()

ICLCV_API icl::cv::clsurf::Surf::Surf	(	int	initialPoints,
		int	i_height,
		int	i_width,
		int	octaves,
		int	intervals,
		int	sample_step,
		float	threshold
	)

initializer (OpenCL initialization is performed internally)

~Surf()

ICLCV_API icl::cv::clsurf::Surf::~Surf

(

)

Member Function Documentation

computeIntegralImage()

void icl::cv::clsurf::Surf::computeIntegralImage ( const icl::core::Img32f &  source )

private

Compute the integral image.

createDescriptors()

void icl::cv::clsurf::Surf::createDescriptors ( int  i_width, int  i_height  )

private

Create the SURF descriptors.

createKernels()

void icl::cv::clsurf::Surf::createKernels ( )

private

detect()

ICLCV_API const IpVec& icl::cv::clsurf::Surf::detect

(

const core::ImgBase *

image

)

our own ICL-based detection method

getOrientations()

void icl::cv::clsurf::Surf::getOrientations ( int  i_width, int  i_height  )

private

Calculate Orientation for each Ipoint.

reallocateIptBuffers()

void icl::cv::clsurf::Surf::reallocateIptBuffers ( )

private

Rellocate OpenCL buffers if the number of ipoints is too high.

reset()

void icl::cv::clsurf::Surf::reset ( )

private

Resets the object state so that SURF can be run on a new frame.

retrieveDescriptors()

const IpVec& icl::cv::clsurf::Surf::retrieveDescriptors ( )

private

Copy the descriptors from the GPU to the host.

run()

void icl::cv::clsurf::Surf::run ( const icl::core::Img32f &  image, bool  upright  )

private

Run the main SURF loop.

Member Data Documentation

createDescrtptorsKernel

CLKernel icl::cv::clsurf::Surf::createDescrtptorsKernel

private

getOrientationStep1Kernel

CLKernel icl::cv::clsurf::Surf::getOrientationStep1Kernel

private

getOrientationStep2Kernel

CLKernel icl::cv::clsurf::Surf::getOrientationStep2Kernel

private

hessian_detKernel

CLKernel icl::cv::clsurf::Surf::hessian_detKernel

private

m_data

Data* icl::cv::clsurf::Surf::m_data

private

hidden implementation

hidden data pointer

nearestNeighborKernel

CLKernel icl::cv::clsurf::Surf::nearestNeighborKernel

private

non_max_supressionKernel

CLKernel icl::cv::clsurf::Surf::non_max_supressionKernel

private

normalizeDescriptorsKernel

CLKernel icl::cv::clsurf::Surf::normalizeDescriptorsKernel

private

program

CLProgram icl::cv::clsurf::Surf::program

private

scan4Kernel

CLKernel icl::cv::clsurf::Surf::scan4Kernel

private

scanImageKernel

CLKernel icl::cv::clsurf::Surf::scanImageKernel

private

scanKernel

CLKernel icl::cv::clsurf::Surf::scanKernel

private

transposeImageKernel

CLKernel icl::cv::clsurf::Surf::transposeImageKernel

private

transposeKernel

CLKernel icl::cv::clsurf::Surf::transposeKernel

private

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

• /Users/alneuman/vm/icl/ICLCV/src/ICLCV/CLSurfLib.h