diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/astra/Algorithm.h | 4 | ||||
| -rw-r--r-- | include/astra/ArtAlgorithm.h | 4 | ||||
| -rw-r--r-- | include/astra/AstraObjectFactory.h | 7 | ||||
| -rw-r--r-- | include/astra/AstraObjectManager.h | 121 | ||||
| -rw-r--r-- | include/astra/CompositeGeometryManager.h | 12 | ||||
| -rw-r--r-- | include/astra/CudaReconstructionAlgorithm2D.h | 3 | ||||
| -rw-r--r-- | include/astra/CudaSartAlgorithm.h | 10 | ||||
| -rw-r--r-- | include/astra/CudaSirtAlgorithm.h | 10 | ||||
| -rw-r--r-- | include/astra/CudaSirtAlgorithm3D.h | 3 | ||||
| -rw-r--r-- | include/astra/DataProjectorPolicies.h | 4 | ||||
| -rw-r--r-- | include/astra/DataProjectorPolicies.inl | 6 | ||||
| -rw-r--r-- | include/astra/PluginAlgorithm.h | 57 | ||||
| -rw-r--r-- | include/astra/Projector2D.h | 4 | ||||
| -rw-r--r-- | include/astra/Projector3D.h | 4 | ||||
| -rw-r--r-- | include/astra/SartAlgorithm.h | 8 | ||||
| -rw-r--r-- | include/astra/SirtAlgorithm.h | 9 | ||||
| -rw-r--r-- | include/astra/Utilities.h | 20 |
17 files changed, 185 insertions, 101 deletions
diff --git a/include/astra/Algorithm.h b/include/astra/Algorithm.h index 049417c..18c465f 100644 --- a/include/astra/Algorithm.h +++ b/include/astra/Algorithm.h @@ -81,7 +81,7 @@ public: * * @return initialized */ - bool isInitialized(); + bool isInitialized() const; /** get a description of the class * @@ -133,7 +133,7 @@ private: // inline functions inline std::string CAlgorithm::description() const { return "Algorithm"; }; -inline bool CAlgorithm::isInitialized() { return m_bIsInitialized; } +inline bool CAlgorithm::isInitialized() const { return m_bIsInitialized; } } // end namespace diff --git a/include/astra/ArtAlgorithm.h b/include/astra/ArtAlgorithm.h index d232b95..1ad9f3f 100644 --- a/include/astra/ArtAlgorithm.h +++ b/include/astra/ArtAlgorithm.h @@ -59,7 +59,7 @@ namespace astra { * \astra_xml_item_option{MinConstraintValue, float, 0, Minimum constraint value.} * \astra_xml_item_option{UseMaxConstraint, bool, false, Use maximum value constraint.} * \astra_xml_item_option{MaxConstraintValue, float, 255, Maximum constraint value.} - * \astra_xml_item_option{Lamda, float, 1, The relaxation factor.} + * \astra_xml_item_option{Relaxation, float, 1, The relaxation factor.} * \astra_xml_item_option{RayOrder, string, "sequential", the order in which the rays are updated. 'sequential' or 'custom'} * \astra_xml_item_option{RayOrderList, n by 2 vector of float, not used, if RayOrder='custom': use this ray order. Each row consist of a projection id and detector id.} * @@ -73,7 +73,7 @@ namespace astra { * cfg.option.UseMinConstraint = 'yes';\n * cfg.option.UseMaxConstraint = 'yes';\n * cfg.option.MaxConstraintValue = 1024;\n - * cfg.option.Lamda = 0.7;\n + * cfg.option.Relaxation = 0.7;\n * cfg.option.RayOrder = 'custom';\n * cfg.option.RayOrderList = [0\,0; 0\,2; 1\,0];\n * alg_id = astra_mex_algorithm('create'\, cfg);\n diff --git a/include/astra/AstraObjectFactory.h b/include/astra/AstraObjectFactory.h index 325989e..6af9cd8 100644 --- a/include/astra/AstraObjectFactory.h +++ b/include/astra/AstraObjectFactory.h @@ -155,8 +155,11 @@ class _AstraExport CAlgorithmFactory : public CAstraObjectFactory<CAlgorithm, Al template <> inline CAlgorithm* CAstraObjectFactory<CAlgorithm, AlgorithmTypeList>::findPlugin(std::string _sType) { - CPluginAlgorithmFactory *fac = CPluginAlgorithmFactory::getSingletonPtr(); - return fac->getPlugin(_sType); + CPluginAlgorithmFactory *fac = CPluginAlgorithmFactory::getFactory(); + if (fac) + return fac->getPlugin(_sType); + else + return 0; } #endif diff --git a/include/astra/AstraObjectManager.h b/include/astra/AstraObjectManager.h index 895f955..ad89c2a 100644 --- a/include/astra/AstraObjectManager.h +++ b/include/astra/AstraObjectManager.h @@ -52,17 +52,49 @@ namespace astra { * among all ObjectManagers. */ +class CAstraObjectManagerBase { +public: + virtual std::string getInfo(int index) const =0; + virtual void remove(int index) =0; + virtual std::string getType() const =0; +}; -class CAstraIndexManager { -protected: - /** The index of the previously stored data object. + +class CAstraIndexManager : public Singleton<CAstraIndexManager> { +public: + CAstraIndexManager() : m_iLastIndex(0) { } + + int store(CAstraObjectManagerBase* m) { + m_table[++m_iLastIndex] = m; + return m_iLastIndex; + } + + CAstraObjectManagerBase* get(int index) const { + std::map<int, CAstraObjectManagerBase*>::const_iterator i; + i = m_table.find(index); + if (i != m_table.end()) + return i->second; + else + return 0; + } + + void remove(int index) { + std::map<int, CAstraObjectManagerBase*>::iterator i; + i = m_table.find(index); + if (i != m_table.end()) + m_table.erase(i); + } + +private: + /** The index last handed out */ - static int m_iPreviousIndex; + int m_iLastIndex; + std::map<int, CAstraObjectManagerBase*> m_table; }; template <typename T> -class CAstraObjectManager : public Singleton<CAstraObjectManager<T> >, CAstraIndexManager { +class CAstraObjectManager : public CAstraObjectManagerBase { public: @@ -117,7 +149,11 @@ public: */ void clear(); - /** Get info. + /** Get info of object. + */ + std::string getInfo(int index) const; + + /** Get list with info of all managed objects. */ std::string info(); @@ -149,9 +185,9 @@ CAstraObjectManager<T>::~CAstraObjectManager() template <typename T> int CAstraObjectManager<T>::store(T* _pDataObject) { - m_iPreviousIndex++; - m_mIndexToObject[m_iPreviousIndex] = _pDataObject; - return m_iPreviousIndex; + int iIndex = CAstraIndexManager::getSingleton().store(this); + m_mIndexToObject[iIndex] = _pDataObject; + return iIndex; } //---------------------------------------------------------------------------------------- @@ -180,15 +216,16 @@ T* CAstraObjectManager<T>::get(int _iIndex) const template <typename T> void CAstraObjectManager<T>::remove(int _iIndex) { - if (!hasIndex(_iIndex)) { - return; - } // find data typename map<int,T*>::iterator it = m_mIndexToObject.find(_iIndex); + if (it == m_mIndexToObject.end()) + return; // delete data delete (*it).second; // delete from map - m_mIndexToObject.erase(it); + m_mIndexToObject.erase(it); + + CAstraIndexManager::getSingleton().remove(_iIndex); } //---------------------------------------------------------------------------------------- @@ -220,19 +257,29 @@ void CAstraObjectManager<T>::clear() //---------------------------------------------------------------------------------------- // Print info to string template <typename T> +std::string CAstraObjectManager<T>::getInfo(int index) const { + typename map<int,T*>::const_iterator it = m_mIndexToObject.find(index); + if (it == m_mIndexToObject.end()) + return ""; + const T* pObject = it->second; + std::stringstream res; + res << index << " \t"; + if (pObject->isInitialized()) { + res << "v "; + } else { + res << "x "; + } + res << pObject->description(); + return res.str(); +} + +template <typename T> std::string CAstraObjectManager<T>::info() { std::stringstream res; res << "id init description" << std::endl; res << "-----------------------------------------" << std::endl; - for (typename map<int,T*>::iterator it = m_mIndexToObject.begin(); it != m_mIndexToObject.end(); it++) { - res << (*it).first << " \t"; - T* pObject = m_mIndexToObject[(*it).first]; - if (pObject->isInitialized()) { - res << "v "; - } else { - res << "x "; - } - res << pObject->description() << endl; + for (typename map<int,T*>::const_iterator it = m_mIndexToObject.begin(); it != m_mIndexToObject.end(); it++) { + res << getInfo(it->first) << endl; } res << "-----------------------------------------" << std::endl; return res.str(); @@ -247,42 +294,60 @@ std::string CAstraObjectManager<T>::info() { * assigned to each data object by which it can be accessed in the future. * Indices are always >= 1. */ -class _AstraExport CProjector2DManager : public CAstraObjectManager<CProjector2D>{}; +class _AstraExport CProjector2DManager : public Singleton<CProjector2DManager>, public CAstraObjectManager<CProjector2D> +{ + virtual std::string getType() const { return "projector2d"; } +}; /** * This class contains functionality to store 3D projector objects. A unique index handle will be * assigned to each data object by which it can be accessed in the future. * Indices are always >= 1. */ -class _AstraExport CProjector3DManager : public CAstraObjectManager<CProjector3D>{}; +class _AstraExport CProjector3DManager : public Singleton<CProjector3DManager>, public CAstraObjectManager<CProjector3D> +{ + virtual std::string getType() const { return "projector3d"; } +}; /** * This class contains functionality to store 2D data objects. A unique index handle will be * assigned to each data object by which it can be accessed in the future. * Indices are always >= 1. */ -class _AstraExport CData2DManager : public CAstraObjectManager<CFloat32Data2D>{}; +class _AstraExport CData2DManager : public Singleton<CData2DManager>, public CAstraObjectManager<CFloat32Data2D> +{ + virtual std::string getType() const { return "data2d"; } +}; /** * This class contains functionality to store 3D data objects. A unique index handle will be * assigned to each data object by which it can be accessed in the future. * Indices are always >= 1. */ -class _AstraExport CData3DManager : public CAstraObjectManager<CFloat32Data3D>{}; +class _AstraExport CData3DManager : public Singleton<CData3DManager>, public CAstraObjectManager<CFloat32Data3D> +{ + virtual std::string getType() const { return "data3d"; } +}; /** * This class contains functionality to store algorithm objects. A unique index handle will be * assigned to each data object by which it can be accessed in the future. * Indices are always >= 1. */ -class _AstraExport CAlgorithmManager : public CAstraObjectManager<CAlgorithm>{}; +class _AstraExport CAlgorithmManager : public Singleton<CAlgorithmManager>, public CAstraObjectManager<CAlgorithm> +{ + virtual std::string getType() const { return "algorithm"; } +}; /** * This class contains functionality to store matrix objects. A unique index handle will be * assigned to each data object by which it can be accessed in the future. * Indices are always >= 1. */ -class _AstraExport CMatrixManager : public CAstraObjectManager<CSparseMatrix>{}; +class _AstraExport CMatrixManager : public Singleton<CMatrixManager>, public CAstraObjectManager<CSparseMatrix> +{ + virtual std::string getType() const { return "matrix"; } +}; } // end namespace diff --git a/include/astra/CompositeGeometryManager.h b/include/astra/CompositeGeometryManager.h index 4338994..18dd72f 100644 --- a/include/astra/CompositeGeometryManager.h +++ b/include/astra/CompositeGeometryManager.h @@ -79,7 +79,9 @@ public: bool uploadToGPU(); bool downloadFromGPU(/*mode?*/); - virtual TPartList split(size_t maxSize, int div) = 0; + virtual void splitX(TPartList& out, size_t maxSize, size_t maxDim, int div) = 0; + virtual void splitY(TPartList& out, size_t maxSize, size_t maxDim, int div) = 0; + virtual void splitZ(TPartList& out, size_t maxSize, size_t maxDim, int div) = 0; virtual CPart* reduce(const CPart *other) = 0; virtual void getDims(size_t &x, size_t &y, size_t &z) = 0; size_t getSize(); @@ -93,7 +95,9 @@ public: CVolumeGeometry3D* pGeom; - virtual TPartList split(size_t maxSize, int div); + virtual void splitX(TPartList& out, size_t maxSize, size_t maxDim, int div); + virtual void splitY(TPartList& out, size_t maxSize, size_t maxDim, int div); + virtual void splitZ(TPartList& out, size_t maxSize, size_t maxDim, int div); virtual CPart* reduce(const CPart *other); virtual void getDims(size_t &x, size_t &y, size_t &z); @@ -107,7 +111,9 @@ public: CProjectionGeometry3D* pGeom; - virtual TPartList split(size_t maxSize, int div); + virtual void splitX(TPartList& out, size_t maxSize, size_t maxDim, int div); + virtual void splitY(TPartList& out, size_t maxSize, size_t maxDim, int div); + virtual void splitZ(TPartList& out, size_t maxSize, size_t maxDim, int div); virtual CPart* reduce(const CPart *other); virtual void getDims(size_t &x, size_t &y, size_t &z); diff --git a/include/astra/CudaReconstructionAlgorithm2D.h b/include/astra/CudaReconstructionAlgorithm2D.h index dc93a1a..bb5f2a7 100644 --- a/include/astra/CudaReconstructionAlgorithm2D.h +++ b/include/astra/CudaReconstructionAlgorithm2D.h @@ -141,6 +141,9 @@ protected: */ bool setupGeometry(); + /** Initialize CUDA algorithm. For internal use only. + */ + virtual void initCUDAAlgorithm(); /** The internally used CUDA algorithm object */ diff --git a/include/astra/CudaSartAlgorithm.h b/include/astra/CudaSartAlgorithm.h index c22dc4f..e5e18f0 100644 --- a/include/astra/CudaSartAlgorithm.h +++ b/include/astra/CudaSartAlgorithm.h @@ -46,6 +46,7 @@ namespace astra { * \astra_xml_item{ProjectionDataId, integer, Identifier of a projection data object as it is stored in the DataManager.} * \astra_xml_item{ReconstructionDataId, integer, Identifier of a volume data object as it is stored in the DataManager.} * \astra_xml_item_option{ReconstructionMaskId, integer, not used, Identifier of a volume data object that acts as a reconstruction mask. 0 = reconstruct on this pixel. 1 = don't reconstruct on this pixel.} + * \astra_xml_item_option{Relaxation, float, 1, The relaxation factor.} * * \par MATLAB example * \astra_code{ @@ -53,6 +54,7 @@ namespace astra { * cfg.ProjectionDataId = sino_id;\n * cfg.ReconstructionDataId = recon_id;\n * cfg.option.ReconstructionMaskId = mask_id;\n + * cfg.option.Relaxation = 1.0;\n * alg_id = astra_mex_algorithm('create'\, cfg);\n * astra_mex_algorithm('iterate'\, alg_id\, 10);\n * astra_mex_algorithm('delete'\, alg_id);\n @@ -97,6 +99,14 @@ public: * @return description string */ virtual std::string description() const; + +protected: + + /** Relaxation factor + */ + float m_fLambda; + + virtual void initCUDAAlgorithm(); }; // inline functions diff --git a/include/astra/CudaSirtAlgorithm.h b/include/astra/CudaSirtAlgorithm.h index 929ac30..3cd8acc 100644 --- a/include/astra/CudaSirtAlgorithm.h +++ b/include/astra/CudaSirtAlgorithm.h @@ -53,6 +53,7 @@ namespace astra { * \astra_xml_item{ProjectionDataId, integer, Identifier of a projection data object as it is stored in the DataManager.} * \astra_xml_item{ReconstructionDataId, integer, Identifier of a volume data object as it is stored in the DataManager.} * \astra_xml_item_option{ReconstructionMaskId, integer, not used, Identifier of a volume data object that acts as a reconstruction mask. 0 = reconstruct on this pixel. 1 = don't reconstruct on this pixel.} + * \astra_xml_item_option{Relaxation, float, 1, Relaxation parameter.} * * \par MATLAB example * \astra_code{ @@ -62,6 +63,7 @@ namespace astra { * cfg.ProjectionDataId = sino_id;\n * cfg.ReconstructionDataId = recon_id;\n * cfg.option.ReconstructionMaskId = mask_id;\n + * cfg.option.Relaxation = 1.0;\n * alg_id = astra_mex_algorithm('create'\, cfg);\n * astra_mex_algorithm('iterate'\, alg_id\, 10);\n * astra_mex_algorithm('delete'\, alg_id);\n @@ -93,8 +95,6 @@ public: */ virtual bool initialize(const Config& _cfg); - virtual void run(int _iNrIterations); - /** Initialize class. * * @param _pProjector Projector Object. (Optional) @@ -114,6 +114,12 @@ public: protected: CFloat32VolumeData2D* m_pMinMask; CFloat32VolumeData2D* m_pMaxMask; + + /** Relaxation factor + */ + float m_fLambda; + + virtual void initCUDAAlgorithm(); }; // inline functions diff --git a/include/astra/CudaSirtAlgorithm3D.h b/include/astra/CudaSirtAlgorithm3D.h index 379720e..60191cd 100644 --- a/include/astra/CudaSirtAlgorithm3D.h +++ b/include/astra/CudaSirtAlgorithm3D.h @@ -50,7 +50,7 @@ class AstraSIRT3d; * * The update step of pixel \f$v_j\f$ for iteration \f$k\f$ is given by: * \f[ - * v_j^{(k+1)} = v_j^{(k)} + \alpha \sum_{i=1}^{M} \left( \frac{w_{ij}\left( p_i - \sum_{r=1}^{N} w_{ir}v_r^{(k)}\right)}{\sum_{k=1}^{N} w_{ik}} \right) \frac{1}{\sum_{l=1}^{M}w_{lj}} + * v_j^{(k+1)} = v_j^{(k)} + \lambda \sum_{i=1}^{M} \left( \frac{w_{ij}\left( p_i - \sum_{r=1}^{N} w_{ir}v_r^{(k)}\right)}{\sum_{k=1}^{N} w_{ik}} \right) \frac{1}{\sum_{l=1}^{M}w_{lj}} * \f] * * \par XML Configuration @@ -175,6 +175,7 @@ protected: bool m_bAstraSIRTInit; int m_iDetectorSuperSampling; int m_iVoxelSuperSampling; + float m_fLambda; void initializeFromProjector(); }; diff --git a/include/astra/DataProjectorPolicies.h b/include/astra/DataProjectorPolicies.h index c258f5c..acfb36f 100644 --- a/include/astra/DataProjectorPolicies.h +++ b/include/astra/DataProjectorPolicies.h @@ -319,10 +319,12 @@ class SIRTBPPolicy { CFloat32ProjectionData2D* m_pTotalRayLength; CFloat32VolumeData2D* m_pTotalPixelWeight; + float m_fRelaxation; + public: FORCEINLINE SIRTBPPolicy(); - FORCEINLINE SIRTBPPolicy(CFloat32VolumeData2D* _pReconstruction, CFloat32ProjectionData2D* _pSinogram, CFloat32VolumeData2D* _pTotalPixelWeight, CFloat32ProjectionData2D* _pTotalRayLength); + FORCEINLINE SIRTBPPolicy(CFloat32VolumeData2D* _pReconstruction, CFloat32ProjectionData2D* _pSinogram, CFloat32VolumeData2D* _pTotalPixelWeight, CFloat32ProjectionData2D* _pTotalRayLength, float _fRelaxation); FORCEINLINE ~SIRTBPPolicy(); FORCEINLINE bool rayPrior(int _iRayIndex); diff --git a/include/astra/DataProjectorPolicies.inl b/include/astra/DataProjectorPolicies.inl index 0c0eddd..f300761 100644 --- a/include/astra/DataProjectorPolicies.inl +++ b/include/astra/DataProjectorPolicies.inl @@ -712,12 +712,14 @@ SIRTBPPolicy::SIRTBPPolicy() SIRTBPPolicy::SIRTBPPolicy(CFloat32VolumeData2D* _pReconstruction, CFloat32ProjectionData2D* _pSinogram, CFloat32VolumeData2D* _pTotalPixelWeight, - CFloat32ProjectionData2D* _pTotalRayLength) + CFloat32ProjectionData2D* _pTotalRayLength, + float _fRelaxation) { m_pReconstruction = _pReconstruction; m_pSinogram = _pSinogram; m_pTotalPixelWeight = _pTotalPixelWeight; m_pTotalRayLength = _pTotalRayLength; + m_fRelaxation = _fRelaxation; } //---------------------------------------------------------------------------------------- SIRTBPPolicy::~SIRTBPPolicy() @@ -739,7 +741,7 @@ void SIRTBPPolicy::addWeight(int _iRayIndex, int _iVolumeIndex, float32 _fWeight { float32 fGammaBeta = m_pTotalPixelWeight->getData()[_iVolumeIndex] * m_pTotalRayLength->getData()[_iRayIndex]; if ((fGammaBeta > 0.001f) || (fGammaBeta < -0.001f)) { - m_pReconstruction->getData()[_iVolumeIndex] += _fWeight * m_pSinogram->getData()[_iRayIndex] / fGammaBeta; + m_pReconstruction->getData()[_iVolumeIndex] += _fWeight * m_fRelaxation * m_pSinogram->getData()[_iRayIndex] / fGammaBeta; } } //---------------------------------------------------------------------------------------- diff --git a/include/astra/PluginAlgorithm.h b/include/astra/PluginAlgorithm.h index 667e813..cbd80fc 100644 --- a/include/astra/PluginAlgorithm.h +++ b/include/astra/PluginAlgorithm.h @@ -29,62 +29,37 @@ $Id$ #ifndef _INC_ASTRA_PLUGINALGORITHM #define _INC_ASTRA_PLUGINALGORITHM -#ifdef ASTRA_PYTHON - -#include "astra/Algorithm.h" -#include "astra/Singleton.h" -#include "astra/XMLDocument.h" -#include "astra/XMLNode.h" - -// Slightly hackish forward declaration of PyObject -struct _object; -typedef _object PyObject; +#include "astra/Globals.h" +#include <map> +#include <string> namespace astra { -class _AstraExport CPluginAlgorithm : public CAlgorithm { - -public: - - CPluginAlgorithm(PyObject* pyclass); - ~CPluginAlgorithm(); - - bool initialize(const Config& _cfg); - void run(int _iNrIterations); - -private: - PyObject * instance; -}; +class CAlgorithm; -class _AstraExport CPluginAlgorithmFactory : public Singleton<CPluginAlgorithmFactory> { +class _AstraExport CPluginAlgorithmFactory { public: + CPluginAlgorithmFactory() { } + virtual ~CPluginAlgorithmFactory() { } - CPluginAlgorithmFactory(); - ~CPluginAlgorithmFactory(); + virtual CAlgorithm * getPlugin(const std::string &name) = 0; - CPluginAlgorithm * getPlugin(std::string name); + virtual bool registerPlugin(std::string name, std::string className) = 0; + virtual bool registerPlugin(std::string className) = 0; - bool registerPlugin(std::string name, std::string className); - bool registerPlugin(std::string className); - bool registerPluginClass(std::string name, PyObject * className); - bool registerPluginClass(PyObject * className); + virtual std::map<std::string, std::string> getRegisteredMap() = 0; - PyObject * getRegistered(); - std::map<std::string, std::string> getRegisteredMap(); - - std::string getHelp(std::string name); + virtual std::string getHelp(const std::string &name) = 0; + + static void registerFactory(CPluginAlgorithmFactory *factory) { m_factory = factory; } + static CPluginAlgorithmFactory* getFactory() { return m_factory; } private: - PyObject * pluginDict; - PyObject *inspect, *six; + static CPluginAlgorithmFactory *m_factory; }; -PyObject* XMLNode2dict(XMLNode node); - } #endif - -#endif diff --git a/include/astra/Projector2D.h b/include/astra/Projector2D.h index a1ea0ce..c7a899d 100644 --- a/include/astra/Projector2D.h +++ b/include/astra/Projector2D.h @@ -174,7 +174,7 @@ public: * * @return initialized successfully */ - bool isInitialized(); + bool isInitialized() const; /** get a description of the class * @@ -191,7 +191,7 @@ private: }; // inline functions -inline bool CProjector2D::isInitialized() { return m_bIsInitialized; } +inline bool CProjector2D::isInitialized() const { return m_bIsInitialized; } inline CProjectionGeometry2D* CProjector2D::getProjectionGeometry() { return m_pProjectionGeometry; } inline CVolumeGeometry2D* CProjector2D::getVolumeGeometry() { return m_pVolumeGeometry; } diff --git a/include/astra/Projector3D.h b/include/astra/Projector3D.h index 1ef1ba7..88ca2be 100644 --- a/include/astra/Projector3D.h +++ b/include/astra/Projector3D.h @@ -153,7 +153,7 @@ public: * * @return initialized successfully */ - bool isInitialized(); + bool isInitialized() const; /** get a description of the class * @@ -174,7 +174,7 @@ private: }; // inline functions -inline bool CProjector3D::isInitialized() { return m_bIsInitialized; } +inline bool CProjector3D::isInitialized() const { return m_bIsInitialized; } inline CProjectionGeometry3D* CProjector3D::getProjectionGeometry() { return m_pProjectionGeometry; } inline CVolumeGeometry3D* CProjector3D::getVolumeGeometry() { return m_pVolumeGeometry; } diff --git a/include/astra/SartAlgorithm.h b/include/astra/SartAlgorithm.h index eb4c61e..cdae029 100644 --- a/include/astra/SartAlgorithm.h +++ b/include/astra/SartAlgorithm.h @@ -49,7 +49,7 @@ namespace astra { * * The update step of pixel \f$v_j\f$ for projection \f$phi\f$ and iteration \f$k\f$ is given by: * \f[ - * v_j^{(k+1)} = v_j^{(k)} + \frac{\sum_{p_i \in P_\phi} \left( \lambda \frac{p_i - \sum_{r=1}^{N} w_{ir}v_r^{(k)}} {\sum_{r=1}^{N}w_{ir} } \right)} {\sum_{p_i \in P_\phi}w_{ij}} + * v_j^{(k+1)} = v_j^{(k)} + \lambda \frac{\sum_{p_i \in P_\phi} \left( \frac{p_i - \sum_{r=1}^{N} w_{ir}v_r^{(k)}} {\sum_{r=1}^{N}w_{ir} } \right)} {\sum_{p_i \in P_\phi}w_{ij}} * \f] * * \par XML Configuration @@ -64,6 +64,7 @@ namespace astra { * \astra_xml_item_option{MaxConstraintValue, float, 255, Maximum constraint value.} * \astra_xml_item_option{ProjectionOrder, string, "sequential", the order in which the projections are updated. 'sequential', 'random' or 'custom'} * \astra_xml_item_option{ProjectionOrderList, vector of float, not used, if ProjectionOrder='custom': use this order.} + * \astra_xml_item_option{Relaxation, float, 1, The relaxation parameter.} * * \par MATLAB example * \astra_code{ @@ -76,7 +77,8 @@ namespace astra { * cfg.option.UseMaxConstraint = 'yes';\n * cfg.option.MaxConstraintValue = 1024;\n * cfg.option.ProjectionOrder = 'custom';\n -* cfg.option.ProjectionOrderList = randperm(100);\n + * cfg.option.ProjectionOrderList = randperm(100);\n + * cfg.option.Relaxation = 1.0;\n * alg_id = astra_mex_algorithm('create'\, cfg);\n * astra_mex_algorithm('iterate'\, alg_id\, 10);\n * astra_mex_algorithm('delete'\, alg_id);\n @@ -215,6 +217,8 @@ protected: //< Current index in the projection order array. int m_iCurrentProjection; + //< Relaxation parameter + float m_fLambda; }; // inline functions diff --git a/include/astra/SirtAlgorithm.h b/include/astra/SirtAlgorithm.h index 05b3fa9..8044d09 100644 --- a/include/astra/SirtAlgorithm.h +++ b/include/astra/SirtAlgorithm.h @@ -49,7 +49,7 @@ namespace astra { * * The update step of pixel \f$v_j\f$ for iteration \f$k\f$ is given by: * \f[ - * v_j^{(k+1)} = v_j^{(k)} + \alpha \sum_{i=1}^{M} \left( \frac{w_{ij}\left( p_i - \sum_{r=1}^{N} w_{ir}v_r^{(k)}\right)}{\sum_{k=1}^{N} w_{ik}} \right) \frac{1}{\sum_{l=1}^{M}w_{lj}} + * v_j^{(k+1)} = v_j^{(k)} + \lambda \sum_{i=1}^{M} \left( \frac{w_{ij}\left( p_i - \sum_{r=1}^{N} w_{ir}v_r^{(k)}\right)}{\sum_{k=1}^{N} w_{ik}} \right) \frac{1}{\sum_{l=1}^{M}w_{lj}} * \f] * * \par XML Configuration @@ -62,6 +62,7 @@ namespace astra { * \astra_xml_item_option{MinConstraintValue, float, 0, Minimum constraint value.} * \astra_xml_item_option{UseMaxConstraint, bool, false, Use maximum value constraint.} * \astra_xml_item_option{MaxConstraintValue, float, 255, Maximum constraint value.} + * \astra_xml_item_option{Relaxation, float, 1, The relaxation factor.} * * \par XML Example * \astra_code{ @@ -74,6 +75,7 @@ namespace astra { * <Option key="UseMinConstraint" value="yes"/>\n * <Option key="UseMaxConstraint" value="yes"/>\n * <Option key="MaxConstraintValue" value="1024"/>\n + * <Option key="Relaxation" value="1"/>\n * </Algorithm> * } * @@ -88,6 +90,7 @@ namespace astra { * cfg.option.UseMinConstraint = 'yes';\n * cfg.option.UseMaxConstraint = 'yes';\n * cfg.option.MaxConstraintValue = 1024;\n + * cfg.option.Relaxation = 1.0;\n * alg_id = astra_mex_algorithm('create'\, cfg);\n * astra_mex_algorithm('iterate'\, alg_id\, 10);\n * astra_mex_algorithm('delete'\, alg_id);\n @@ -136,6 +139,10 @@ protected: */ int m_iIterationCount; + /** Relaxation parameter + */ + float m_fLambda; + public: // type of the algorithm, needed to register with CAlgorithmFactory diff --git a/include/astra/Utilities.h b/include/astra/Utilities.h index 3ae0e6c..8d7c44d 100644 --- a/include/astra/Utilities.h +++ b/include/astra/Utilities.h @@ -50,40 +50,40 @@ public: //< Parse string as int. //< Throw exception on failure. -int stringToInt(const std::string& s); +_AstraExport int stringToInt(const std::string& s); //< Parse string as float. //< Throw exception on failure. -float stringToFloat(const std::string& s); +_AstraExport float stringToFloat(const std::string& s); //< Parse string as double. //< Throw exception on failure. -double stringToDouble(const std::string& s); +_AstraExport double stringToDouble(const std::string& s); template<typename T> -T stringTo(const std::string& s); +_AstraExport T stringTo(const std::string& s); //< Parse comma/semicolon-separated string as float vector. //< Throw exception on failure. -std::vector<float> stringToFloatVector(const std::string& s); +_AstraExport std::vector<float> stringToFloatVector(const std::string& s); //< Parse comma/semicolon-separated string as double vector. //< Throw exception on failure. -std::vector<double> stringToDoubleVector(const std::string& s); +_AstraExport std::vector<double> stringToDoubleVector(const std::string& s); template<typename T> -std::vector<T> stringToVector(const std::string& s); +_AstraExport std::vector<T> stringToVector(const std::string& s); //< Generate string from float. -std::string floatToString(float f); +_AstraExport std::string floatToString(float f); //< Generate string from double. -std::string doubleToString(double f); +_AstraExport std::string doubleToString(double f); template<typename T> -std::string toString(T f); +_AstraExport std::string toString(T f); } |