Basic Image AlgorithmS Library  2.8.0
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BIAS::clfRecursiveGauss Class Reference

recursive approximation of gaussian blur (IIR) opencl implementation of deriche, recursively implementing the gaussian and its derivatives (icip, 1992) More...

#include <OpenCLFramework/Algorithm/clfRecursiveGauss.hh>

+ Inheritance diagram for BIAS::clfRecursiveGauss:
+ Collaboration diagram for BIAS::clfRecursiveGauss:

Public Member Functions

 clfRecursiveGauss (float sigma=2.0f, clfContext *ctx=NULL, bool sharedGL=false, unsigned int device=0)
 constructor, give context or let More...
 
int Filter (clfImage2D *src, clfImage2D *&dst)
 gauss filter rgba image More...
 
int FilterGrey (clfImage2D *src, clfImage2D *&dst)
 optimized gauss filter for grey images More...
 
int FilterGreyColPacked (clfImage2D *src, clfImage2D *&dst)
 optimized gauss filter for already packed grey images More...
 
int FilterX (clfImage2D *src, clfImage2D *&dst)
 filter in X-direction More...
 
int FilterY (clfImage2D *src, clfImage2D *&dst)
 filter in Y-direction More...
 
clfProgram * GetCLProgram ()
 
clfContext * GetContext ()
 
void Reset ()
 clear intermediate images resets storage of internal images, needs to be called if image sizes differ from frame to frame More...
 
void SetSigma (float sigma, int order=0)
 Set Sigma and calculate coefficients for iir filter. More...
 
virtual ~clfRecursiveGauss ()
 

Static Public Member Functions

static void getlocsize (const unsigned int val, unsigned int &result)
 
static unsigned int getlocsize (const unsigned int val)
 

Protected Member Functions

void InitInternal_ (clfContext *ctx, bool sharedGL, unsigned int device)
 

Protected Attributes

clfContext * context_
 
int device_
 
clfImage2D * intermediateImage_
 
bool isSharedGL_
 
std::vector< std::string > kernelNames_
 
int maxComputeUnits_
 
clfImage2D * oneDirFilteredImage_
 
bool ownContext_
 
clfImage2D * packedGreyImage_
 
std::vector< float > params_
 
clfProgram * programCL_
 

Detailed Description

recursive approximation of gaussian blur (IIR) opencl implementation of deriche, recursively implementing the gaussian and its derivatives (icip, 1992)

Definition at line 20 of file clfRecursiveGauss.hh.

Constructor & Destructor Documentation

clfRecursiveGauss::clfRecursiveGauss ( float  sigma = 2.0f,
clfContext *  ctx = NULL,
bool  sharedGL = false,
unsigned int  device = 0 
)

constructor, give context or let

Definition at line 15 of file clfRecursiveGauss.cpp.

References BIAS::clfProgram::AddKernel(), BIAS::clfProgram::AddKernels(), BIAS::clfProgram::AddSource(), BIAS::clfProgram::Build(), intermediateImage_, kernelNames_, oneDirFilteredImage_, packedGreyImage_, BIAS::clfAlgorithm::programCL_, and SetSigma().

clfRecursiveGauss::~clfRecursiveGauss ( )
virtual

Definition at line 46 of file clfRecursiveGauss.cpp.

References Reset().

Member Function Documentation

int clfRecursiveGauss::Filter ( clfImage2D *  src,
clfImage2D *&  dst 
)

gauss filter rgba image

Definition at line 60 of file clfRecursiveGauss.cpp.

References FilterX(), FilterY(), BIAS::clfImage2D::GetImageDim(), and oneDirFilteredImage_.

int clfRecursiveGauss::FilterGrey ( clfImage2D *  src,
clfImage2D *&  dst 
)

optimized gauss filter for grey images

Definition at line 128 of file clfRecursiveGauss.cpp.

References BIAS::clfImage2D::AllocateFromTemplate(), BIAS::clfAlgorithm::context_, BIAS::clfContext::CreateImage2D(), BIAS::clfImage2D::GetImageDim(), intermediateImage_, BIAS::clfMemory::IsReadOnly(), BIAS::clfProgram::KernelSetArgument(), oneDirFilteredImage_, packedGreyImage_, BIAS::clfAlgorithm::programCL_, BIAS::clfContext::RunOn1DRange(), and BIAS::clfContext::RunOn2DRange().

int clfRecursiveGauss::FilterGreyColPacked ( clfImage2D *  src,
clfImage2D *&  dst 
)

optimized gauss filter for already packed grey images

Definition at line 216 of file clfRecursiveGauss.cpp.

References BIAS::clfImage2D::Allocate(), BIAS::clfImage2D::AllocateFromTemplate(), BIAS::clfImage2D::ColorModel(), BIAS::clfAlgorithm::context_, BIAS::clfImage2D::CopyToImage(), BIAS::clfContext::CreateImage2D(), BIAS::clfContext::Finish(), BIAS::clfImage2D::GetImageDim(), intermediateImage_, BIAS::clfMemory::IsReadOnly(), BIAS::clfProgram::KernelSetArgument(), oneDirFilteredImage_, packedGreyImage_, BIAS::clfAlgorithm::programCL_, BIAS::clfContext::RunOn1DRange(), BIAS::clfContext::RunOn2DRange(), and BIAS::clfImage2D::StorageType().

Referenced by BIAS::clfUnifiedMultilateralFilter::Compute().

int clfRecursiveGauss::FilterX ( clfImage2D *  src,
clfImage2D *&  dst 
)

filter in X-direction

Definition at line 75 of file clfRecursiveGauss.cpp.

References BIAS::clfImage2D::AllocateFromTemplate(), BIAS::clfAlgorithm::context_, BIAS::clfContext::CreateImage2D(), BIAS::clfImage2D::GetImageDim(), intermediateImage_, BIAS::clfProgram::KernelSetArgument(), BIAS::clfAlgorithm::programCL_, and BIAS::clfContext::RunOn1DRange().

Referenced by Filter().

int clfRecursiveGauss::FilterY ( clfImage2D *  src,
clfImage2D *&  dst 
)

filter in Y-direction

Definition at line 100 of file clfRecursiveGauss.cpp.

References BIAS::clfImage2D::AllocateFromTemplate(), BIAS::clfAlgorithm::context_, BIAS::clfContext::CreateImage2D(), BIAS::clfImage2D::GetImageDim(), intermediateImage_, BIAS::clfProgram::KernelSetArgument(), BIAS::clfAlgorithm::programCL_, and BIAS::clfContext::RunOn1DRange().

Referenced by Filter().

clfProgram* BIAS::clfAlgorithm::GetCLProgram ( )
inlineinherited

Definition at line 25 of file clfAlgorithm.hh.

clfContext* BIAS::clfAlgorithm::GetContext ( )
inlineinherited

Definition at line 23 of file clfAlgorithm.hh.

void BIAS::clfAlgorithm::getlocsize ( const unsigned int  val,
unsigned int &  result 
)
staticinherited

Definition at line 53 of file clfAlgorithm.cpp.

unsigned int BIAS::clfAlgorithm::getlocsize ( const unsigned int  val)
staticinherited

Definition at line 57 of file clfAlgorithm.cpp.

void BIAS::clfAlgorithm::InitInternal_ ( clfContext *  ctx,
bool  sharedGL,
unsigned int  device 
)
protectedinherited

Definition at line 33 of file clfAlgorithm.cpp.

References BIAS::clfAlgorithm::context_, BIAS::clfContext::CreateProgram(), BIAS::clfAlgorithm::device_, BIAS::clfContext::GetDeviceInfo(), BIAS::clfAlgorithm::isSharedGL_, BIAS::clfContext::IsSharedGLContext(), clfDeviceInfo::maxComputeUnits, BIAS::clfAlgorithm::maxComputeUnits_, BIAS::clfAlgorithm::ownContext_, BIAS::clfAlgorithm::programCL_, and BIAS::clfContext::SetActiveDevice().

Referenced by BIAS::clfAlgorithm::clfAlgorithm().

void clfRecursiveGauss::Reset ( )

clear intermediate images resets storage of internal images, needs to be called if image sizes differ from frame to frame

Definition at line 50 of file clfRecursiveGauss.cpp.

References intermediateImage_, oneDirFilteredImage_, and packedGreyImage_.

Referenced by ~clfRecursiveGauss().

void clfRecursiveGauss::SetSigma ( float  sigma,
int  order = 0 
)

Set Sigma and calculate coefficients for iir filter.

Parameters
sigmagaussian sigma
orderderivative

Definition at line 314 of file clfRecursiveGauss.cpp.

References kernelNames_, BIAS::clfProgram::KernelSetArgument(), params_, and BIAS::clfAlgorithm::programCL_.

Referenced by clfRecursiveGauss().

Member Data Documentation

clfContext* BIAS::clfAlgorithm::context_
protectedinherited

Definition at line 34 of file clfAlgorithm.hh.

Referenced by BIAS::clfRadixSort::ApplyPermutation(), BIAS::clfAlgorithm::clfAlgorithm(), BIAS::clfRadixSort::clfRadixSort(), BIAS::clfUnifiedMultilateralFilter::clfUnifiedMultilateralFilter(), BIAS::clfUnifiedMultilateralFilter::Compute(), BIAS::clfCopy::Copy(), BIAS::clfImageOperator::CutOffMinThreshold(), BIAS::clfImageOperator::Difference(), FilterGrey(), FilterGreyColPacked(), FilterX(), FilterY(), BIAS::clfRadixSort::Histogram(), BIAS::clfRadixSort::Host2GPU(), BIAS::clfUnifiedMultilateralFilter::Init(), BIAS::clfUnifiedMultilateralFilter::InitColorFilter(), BIAS::clfUnifiedMultilateralFilter::InitCredibilityFilter(), BIAS::clfUnifiedMultilateralFilter::InitDepthFilter(), BIAS::clfAlgorithm::InitInternal_(), BIAS::clfUnifiedMultilateralFilter::InitSpatialFilter(), BIAS::clfRadixSort::RecupGPU(), BIAS::clfRadixSort::Reorder(), BIAS::clfRadixSort::ScanHistogram(), BIAS::clfRadixSort::SetData(), BIAS::clfRadixSort::Transpose(), and BIAS::clfAlgorithm::~clfAlgorithm().

int BIAS::clfAlgorithm::device_
protectedinherited

Definition at line 39 of file clfAlgorithm.hh.

Referenced by BIAS::clfAlgorithm::clfAlgorithm(), and BIAS::clfAlgorithm::InitInternal_().

clfImage2D* BIAS::clfRecursiveGauss::intermediateImage_
protected

Definition at line 67 of file clfRecursiveGauss.hh.

Referenced by clfRecursiveGauss(), FilterGrey(), FilterGreyColPacked(), FilterX(), FilterY(), and Reset().

bool BIAS::clfAlgorithm::isSharedGL_
protectedinherited

Definition at line 37 of file clfAlgorithm.hh.

Referenced by BIAS::clfAlgorithm::clfAlgorithm(), and BIAS::clfAlgorithm::InitInternal_().

std::vector<std::string> BIAS::clfRecursiveGauss::kernelNames_
protected

Definition at line 74 of file clfRecursiveGauss.hh.

Referenced by clfRecursiveGauss(), and SetSigma().

int BIAS::clfAlgorithm::maxComputeUnits_
protectedinherited

Definition at line 38 of file clfAlgorithm.hh.

Referenced by BIAS::clfAlgorithm::clfAlgorithm(), and BIAS::clfAlgorithm::InitInternal_().

clfImage2D* BIAS::clfRecursiveGauss::oneDirFilteredImage_
protected

Definition at line 68 of file clfRecursiveGauss.hh.

Referenced by clfRecursiveGauss(), Filter(), FilterGrey(), FilterGreyColPacked(), and Reset().

bool BIAS::clfAlgorithm::ownContext_
protectedinherited

Definition at line 36 of file clfAlgorithm.hh.

Referenced by BIAS::clfAlgorithm::clfAlgorithm(), BIAS::clfAlgorithm::InitInternal_(), and BIAS::clfAlgorithm::~clfAlgorithm().

clfImage2D* BIAS::clfRecursiveGauss::packedGreyImage_
protected

Definition at line 70 of file clfRecursiveGauss.hh.

Referenced by clfRecursiveGauss(), FilterGrey(), FilterGreyColPacked(), and Reset().

std::vector<float> BIAS::clfRecursiveGauss::params_
protected

Definition at line 72 of file clfRecursiveGauss.hh.

Referenced by SetSigma().

clfProgram* BIAS::clfAlgorithm::programCL_
protectedinherited

Definition at line 35 of file clfAlgorithm.hh.

Referenced by BIAS::clfRadixSort::ApplyPermutation(), BIAS::clfAlgorithm::clfAlgorithm(), BIAS::clfCopy::clfCopy(), BIAS::clfImageOperator::clfImageOperator(), BIAS::clfRadixSort::clfRadixSort(), clfRecursiveGauss(), BIAS::clfUnifiedMultilateralFilter::clfUnifiedMultilateralFilter(), BIAS::clfUnifiedMultilateralFilter::Compute(), BIAS::clfCopy::Copy(), BIAS::clfImageOperator::CutOffMinThreshold(), BIAS::clfImageOperator::Difference(), FilterGrey(), FilterGreyColPacked(), FilterX(), FilterY(), BIAS::clfRadixSort::Histogram(), BIAS::clfUnifiedMultilateralFilter::InitCredibilityFilter(), BIAS::clfAlgorithm::InitInternal_(), BIAS::clfRadixSort::Reorder(), BIAS::clfRadixSort::ScanHistogram(), SetSigma(), BIAS::clfRadixSort::Transpose(), and BIAS::clfAlgorithm::~clfAlgorithm().

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