X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=include%2Fbackprojectors.h;h=5e897cd22795ed259d00317ffcf0cc91e0ef4951;hp=f19b9043ecd0a1fcafd5e0ce2a404e46cebd54fb;hb=1a050c98763fbbc0662731b0b76953acede6f5d7;hpb=ab4a3ba2c1ba9672136b5022897f81fc55d03493 diff --git a/include/backprojectors.h b/include/backprojectors.h index f19b904..5e897cd 100644 --- a/include/backprojectors.h +++ b/include/backprojectors.h @@ -1,15 +1,15 @@ /***************************************************************************** ** FILE IDENTIFICATION ** -** Name: backproject.h +** Name: backproject.h ** Purpose: Backprojection classes -** Programmer: Kevin Rosenberg -** Date Started: June 2000 +** Programmer: Kevin Rosenberg +** Date Started: June 2000 ** ** This is part of the CTSim program -** Copyright (C) 1983-2000 Kevin Rosenberg +** Copyright (c) 1983-2001 Kevin Rosenberg ** -** $Id: backprojectors.h,v 1.10 2000/07/19 04:33:27 kevin Exp $ +** $Id$ ** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU General Public License (version 2) as @@ -35,99 +35,110 @@ class Backproject; +class ImageFile; +class Projections; +struct ReconstructionROI; class Backprojector { public: - typedef enum { - BPROJ_INVALID, - BPROJ_TRIG, - BPROJ_TABLE, - BPROJ_DIFF, - BPROJ_DIFF2, - BPROJ_IDIFF2, - BPROJ_IDIFF3 -} BackprojectID; - - typedef enum { - INTERP_INVALID, - INTERP_NEAREST, // Nearest neighbor + static const int BPROJ_INVALID; + static const int BPROJ_TRIG; + static const int BPROJ_TABLE; + static const int BPROJ_DIFF; + static const int BPROJ_IDIFF; + + static const int INTERP_INVALID; + static const int INTERP_NEAREST; + static const int INTERP_LINEAR; + static const int INTERP_CUBIC; + static const int INTERP_FREQ_PREINTERPOLATION; #if HAVE_BSPLINE_INTERP - I_BSPLINE, - I_1BSPLINE, // 1st order B-Spline - I_2BSPLINE, - I_3BSPLINE, + static const int INTERP_BSPLINE; + static const int INTERP_1BSPLINE; + static const int INTERP_2BSPLINE; + static const int INTERP_3BSPLINE; #endif - INTERP_LINEAR, // Linear interpolation - INTERP_FREQ_PREINTERPOLATION, - } InterpolationID; - - static const char BPROJ_TRIG_STR[]= "trig"; - static const char BPROJ_TABLE_STR[]= "table"; - static const char BPROJ_DIFF_STR[]= "diff"; - static const char BPROJ_DIFF2_STR[]= "diff2"; - static const char BPROJ_IDIFF2_STR[]= "idiff2"; - static const char BPROJ_IDIFF3_STR[]= "idiff3"; - - static const char INTERP_NEAREST_STR[]= "nearest"; - static const char INTERP_LINEAR_STR[]= "linear"; - static const char INTERP_BSPLINE_STR[]= "bspline"; - static const char INTERP_FREQ_PREINTERPOLATION_STR[]= "freq_preinterpolation"; - - Backprojector (const Projections& proj, ImageFile& im, const char* const backprojName, const char* const interpName, const int interpFactor); - - ~Backprojector (void); - + + Backprojector (const Projections& proj, ImageFile& im, const char* const backprojName, + const char* const interpName, const int interpFactor, const ReconstructionROI* pROI); + + ~Backprojector (); + void BackprojectView (const double* const viewData, const double viewAngle); + void PostProcessing(); + + bool fail() const {return m_fail;} + const std::string& failMessage() const {return m_failMessage;} + + static const int getBackprojectCount() {return s_iBackprojectCount;} + static const char* const* getBackprojectNameArray() {return s_aszBackprojectName;} + static const char* const* getBackprojectTitleArray() {return s_aszBackprojectTitle;} + static int convertBackprojectNameToID (const char* const bprojName); + static const char* convertBackprojectIDToName (const int bprojID); + static const char* convertBackprojectIDToTitle (const int bprojID); + + static const int getInterpCount() {return s_iInterpCount;} + static const char* const * getInterpNameArray() {return s_aszInterpName;} + static const char* const * getInterpTitleArray() {return s_aszInterpTitle;} + static int convertInterpNameToID (const char* const interpName); + static const char* convertInterpIDToName (const int interpID); + static const char* convertInterpIDToTitle (const int interpID); - bool fail(void) const {return m_fail;} - const string& failMessage(void) const {return m_failMessage;} private: - string m_nameBackproject; - string m_nameInterpolation; - BackprojectID m_idBackproject; - InterpolationID m_idInterpolation; + std::string m_nameBackproject; + std::string m_nameInterpolation; + int m_idBackproject; + int m_idInterpolation; Backproject* m_pBackprojectImplem; bool m_fail; - string m_failMessage; + std::string m_failMessage; - static const InterpolationID convertInterpolationNameToID (const char* const interpName); - static const char* convertInterpolationIDToName (const InterpolationID interpID); - static const BackprojectID convertBackprojectNameToID (const char* const bprojName); - static const char* convertBackprojectIDToName (const BackprojectID bprojID); + static const char* const s_aszBackprojectName[]; + static const char* const s_aszBackprojectTitle[]; + static const int s_iBackprojectCount; - bool initBackprojector (const Projections& proj, ImageFile& im, const char* const backprojName, const char* const interpName, const int interpFactor); + static const char* const s_aszInterpName[]; + static const char* const s_aszInterpTitle[]; + static const int s_iInterpCount; + + bool initBackprojector (const Projections& proj, ImageFile& im, const char* const backprojName, + const char* const interpName, const int interpFactor, const ReconstructionROI* pROI); }; class Backproject { public: - Backproject (const Projections& proj, ImageFile& im, Backprojector::InterpolationID interpType, const int interpFactor); + Backproject (const Projections& proj, ImageFile& im, int interpID, const int interpFactor, + const ReconstructionROI* pROI); virtual ~Backproject (); - virtual void BackprojectView (const double* const viewData, const double viewAngle) {}; + virtual void BackprojectView (const double* const viewData, const double viewAngle) = 0; + virtual void PostProcessing (); // call after backprojecting all views protected: - void ScaleImageByRotIncrement (void); - void Backproject::errorIndexOutsideDetector (int ix, int iy, double theta, double r, double phi, double L, int ni); - void Backproject::errorIndexOutsideDetector (int ix, int iy, double theta, double L, int ni); - + void ScaleImageByRotIncrement (); + void errorIndexOutsideDetector (int ix, int iy, double theta, double r, double phi, double L, int ni); + void errorIndexOutsideDetector (int ix, int iy, double theta, double L, int ni); const Projections& proj; ImageFile& im; - Backprojector::InterpolationID interpType; + int interpType; ImageFileArray v; kint32 nx; kint32 ny; double detInc; - double rotInc; - int iDetCenter; // index refering to L=0 projection + double rotScale; + int iDetCenter; // index refering to L=0 projection int nDet; double xMin, xMax, yMin, yMax; // Retangular coords of phantom - double xInc, yInc; // size of cells + double xInc, yInc; // size of cells int m_interpFactor; + double m_dFocalLength; + double m_dSourceDetectorLength; + bool m_bPostProcessingDone; private: Backproject (const Backproject& rhs); @@ -138,23 +149,24 @@ class Backproject class BackprojectTrig : public Backproject { public: - BackprojectTrig (const Projections& proj, ImageFile& im, Backprojector::InterpolationID interpType, const int interpFactor) - : Backproject::Backproject (proj, im, interpType, interpFactor) + BackprojectTrig (const Projections& proj, ImageFile& im, int interpID, const int interpFactor, const ReconstructionROI* pROI) + : Backproject (proj, im, interpID, interpFactor, pROI) {} - void BackprojectView (const double* const t, double view_angle); + void BackprojectView (const double* const t, const double view_angle); }; class BackprojectTable : public Backproject { public: - BackprojectTable (const Projections& proj, ImageFile& im, Backprojector::InterpolationID interpType, const int interpFactor); - ~BackprojectTable (); + BackprojectTable (const Projections& proj, ImageFile& im, int interpID, const int interpFactor, const ReconstructionROI* pROI); + virtual ~BackprojectTable (); - void BackprojectView (const double* const t, double view_angle); + virtual void BackprojectView (const double* const t, const double view_angle); + virtual void PostProcessing (); // call after backprojecting all views - private: + protected: Array2d arrayR; Array2d arrayPhi; kfloat64** r; @@ -165,10 +177,11 @@ class BackprojectTable : public Backproject class BackprojectDiff : public Backproject { public: - BackprojectDiff (const Projections& proj, ImageFile& im, Backprojector::InterpolationID interpType, const int interpFactor); + BackprojectDiff (const Projections& proj, ImageFile& im, int interpID, const int interpFactor, const ReconstructionROI* pROI); ~BackprojectDiff (); - void BackprojectView (const double* const t, double view_angle); + virtual void BackprojectView (const double* const t, const double view_angle); + virtual void PostProcessing (); // call after backprojecting all views protected: double start_r; @@ -176,35 +189,41 @@ class BackprojectDiff : public Backproject double im_xinc, im_yinc; }; -class BackprojectDiff2 : public BackprojectDiff + +class BackprojectIntDiff : public BackprojectDiff { public: - BackprojectDiff2 (const Projections& proj, ImageFile& im, Backprojector::InterpolationID interpType, const int interpFactor) - : BackprojectDiff::BackprojectDiff (proj, im, interpType, interpFactor) + BackprojectIntDiff (const Projections& proj, ImageFile& im, int interpID, const int interpFactor, const ReconstructionROI* pROI) + : BackprojectDiff (proj, im, interpID, interpFactor, pROI) {} - void BackprojectView (const double* const t, double view_angle); + void BackprojectView (const double* const t, const double view_angle); }; -class BackprojectIntDiff2 : public BackprojectDiff +class BackprojectEquilinear : public BackprojectTable { public: - BackprojectIntDiff2 (const Projections& proj, ImageFile& im, Backprojector::InterpolationID interpType, const int interpFactor) - : BackprojectDiff::BackprojectDiff (proj, im, interpType, interpFactor) - {} - - void BackprojectView (const double* const t, double view_angle); -}; + BackprojectEquilinear (const Projections& proj, ImageFile& im, int interpID, const int interpFactor, const ReconstructionROI* pROI) + : BackprojectTable (proj, im, interpID, interpFactor, pROI) + {} + void BackprojectView (const double* const t, const double view_angle); + + virtual ~BackprojectEquilinear() + {} +}; -class BackprojectIntDiff3 : public BackprojectDiff +class BackprojectEquiangular : public BackprojectTable { public: - BackprojectIntDiff3 (const Projections& proj, ImageFile& im, Backprojector::InterpolationID interpType, const int interpFactor) - : BackprojectDiff::BackprojectDiff (proj, im, interpType, interpFactor) - {} - - void BackprojectView (const double* const t, double view_angle); + BackprojectEquiangular (const Projections& proj, ImageFile& im, int interpID, const int interpFactor, const ReconstructionROI* pROI) + : BackprojectTable (proj, im, interpID, interpFactor, pROI) + {} + + void BackprojectView (const double* const t, const double view_angle); + + virtual ~BackprojectEquiangular() + {} };