diff options
Diffstat (limited to 'include/astra/ReconstructionAlgorithm2D.h')
| -rw-r--r-- | include/astra/ReconstructionAlgorithm2D.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/include/astra/ReconstructionAlgorithm2D.h b/include/astra/ReconstructionAlgorithm2D.h new file mode 100644 index 0000000..25a6c0a --- /dev/null +++ b/include/astra/ReconstructionAlgorithm2D.h @@ -0,0 +1,222 @@ +/* +----------------------------------------------------------------------- +Copyright 2012 iMinds-Vision Lab, University of Antwerp + +Contact: astra@ua.ac.be +Website: http://astra.ua.ac.be + + +This file is part of the +All Scale Tomographic Reconstruction Antwerp Toolbox ("ASTRA Toolbox"). + +The ASTRA Toolbox is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +The ASTRA Toolbox is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>. + +----------------------------------------------------------------------- +$Id$ +*/ + +#ifndef _INC_ASTRA_RECONSTRUCTIONALGORITHM2D +#define _INC_ASTRA_RECONSTRUCTIONALGORITHM2D + +#include "Globals.h" +#include "Config.h" + +#include "Algorithm.h" + +#include "Projector2D.h" +#include "Float32ProjectionData2D.h" +#include "Float32VolumeData2D.h" + + +namespace astra { + +/** + * This is a base class for the different implementations of 2D reconstruction algorithms. + * + * \par XML Configuration + * \astra_xml_item{ProjectorId, integer, Identifier of a projector as it is stored in the ProjectorManager.} + * \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. 1 = reconstruct on this pixel. 0 = don't reconstruct on this pixel.} + * \astra_xml_item_option{SinogramMaskId, integer, not used, Identifier of a projection data object that acts as a projection mask. 1 = reconstruct using this ray. 0 = don't use this ray while reconstructing.} + * \astra_xml_item_option{UseMinConstraint, bool, false, Use minimum value constraint.} + * \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.} + */ +class _AstraExport CReconstructionAlgorithm2D : public CAlgorithm { + +public: + + /** Default constructor, containing no code. + */ + CReconstructionAlgorithm2D(); + + /** Destructor. + */ + virtual ~CReconstructionAlgorithm2D(); + + /** Initialize the algorithm with a config object. + * + * @param _cfg Configuration Object + * @return initialization successful? + */ + virtual bool initialize(const Config& _cfg); + + /** Initialize class. + * + * @param _pProjector Projector Object. + * @param _pSinogram ProjectionData2D object containing the sinogram data. + * @param _pReconstruction VolumeData2D object for storing the reconstructed volume. + */ + bool initialize(CProjector2D* _pProjector, + CFloat32ProjectionData2D* _pSinogram, + CFloat32VolumeData2D* _pReconstruction); + + /** Clear this class. + */ + virtual void clear(); + + /** Add a min/max constraint to the reconstruction process + * + * @param _bUseMin True if the algorithm should use a min constraint. + * @param _fMinValue Lower value to clip pixel values to. + * @param _bUseMax True if the algorithm should use a max constraint. + * @param _fMaxValue Upper value to clip pixel values to. + */ + void setConstraints(bool _bUseMin, float32 _fMinValue, bool _bUseMax, float32 _fMaxValue); + + /** Set a fixed reconstruction mask. A pixel will only be used in the reconstruction if the + * corresponding value in the mask is 1. + * + * @param _pMask Volume Data object containing fixed reconstruction mask + * @param _bEnable enable the use of this mask + */ + void setReconstructionMask(CFloat32VolumeData2D* _pMask, bool _bEnable = true); + + /** Set a fixed sinogram mask. A detector value will only be used in the reconstruction if the + * corresponding value in the mask is 1. + * + * @param _pMask Projection Data object containing fixed sinogram mask + * @param _bEnable enable the use of this mask + */ + void setSinogramMask(CFloat32ProjectionData2D* _pMask, bool _bEnable = true); + + /** Get all information parameters. + * + * @return map with all boost::any object + */ + virtual map<string,boost::any> getInformation(); + + /** Get a single piece of information. + * + * @param _sIdentifier identifier string to specify which piece of information you want + * @return boost::any object + */ + virtual boost::any getInformation(std::string _sIdentifier); + + /** Get projector object + * + * @return projector + */ + CProjector2D* getProjector() const; + + /** Get sinogram data object + * + * @return sinogram data object + */ + CFloat32ProjectionData2D* getSinogram() const; + + /** Get Reconstructed Data + * + * @return reconstruction + */ + CFloat32VolumeData2D* getReconstruction() const; + + /** Get Fixed Reconstruction Mask + * + * @return fixed reconstruction mask + */ + CFloat32VolumeData2D* getReconstructionMask() const; + + /** Perform a number of iterations. + * + * @param _iNrIterations amount of iterations to perform. + */ + virtual void run(int _iNrIterations = 0) = 0; + + /** Get a description of the class. + * + * @return description string + */ + virtual std::string description() const; + + /** Get the norm of the residual image. + * Only a few algorithms support this method. + * + * @param _fNorm if supported, the norm is returned here + * @return true if this operation is supported + */ + virtual bool getResidualNorm(float32& _fNorm) { return false; } + +protected: + + /** Check this object. + * + * @return object initialized + */ + bool _check(); + + /** Initial clearing. Only to be used by constructors. + */ + void _clear(); + + //< Projector object. + CProjector2D* m_pProjector; + //< ProjectionData2D object containing the sinogram. + CFloat32ProjectionData2D* m_pSinogram; + //< VolumeData2D object for storing the reconstruction volume. + CFloat32VolumeData2D* m_pReconstruction; + + //< Use minimum value constraint? + bool m_bUseMinConstraint; + //< Minimum value constraint. + float32 m_fMinValue; + //< Use maximum value constraint? + bool m_bUseMaxConstraint; + //< Maximum value constraint. + float32 m_fMaxValue; + + //< Dataobject containing fixed reconstruction mask (0 = don't reconstruct) + CFloat32VolumeData2D* m_pReconstructionMask; + //< Use the fixed reconstruction mask? + bool m_bUseReconstructionMask; + + //< Dataobject containing fixed reconstruction mask (0 = don't reconstruct) + CFloat32ProjectionData2D* m_pSinogramMask; + //< Use the fixed reconstruction mask? + bool m_bUseSinogramMask; + +}; + +// inline functions +inline std::string CReconstructionAlgorithm2D::description() const { return "3D Reconstruction Algorithm"; }; +inline CProjector2D* CReconstructionAlgorithm2D::getProjector() const { return m_pProjector; } +inline CFloat32ProjectionData2D* CReconstructionAlgorithm2D::getSinogram() const { return m_pSinogram; } +inline CFloat32VolumeData2D* CReconstructionAlgorithm2D::getReconstruction() const { return m_pReconstruction; } +inline CFloat32VolumeData2D* CReconstructionAlgorithm2D::getReconstructionMask() const { return m_pReconstructionMask; } + +} // end namespace + +#endif |