** This is part of the CTSim program
** Copyright (C) 1983-2000 Kevin Rosenberg
**
-** $Id: pjrec.cpp,v 1.6 2000/07/04 22:21:01 kevin Exp $
+** $Id: pjrec.cpp,v 1.10 2000/07/11 10:32:44 kevin Exp $
**
** 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
#include "timer.h"
-enum {O_INTERP, O_FILTER, O_FILTER_METHOD, O_FILTER_PARAM, O_BACKPROJ, O_VERBOSE, O_TRACE, O_HELP, O_DEBUG, O_VERSION};
+enum {O_INTERP, O_FILTER, O_FILTER_METHOD, O_ZEROPAD, O_FILTER_PARAM, O_BACKPROJ, O_PREINTERPOLATION_FACTOR, O_VERBOSE, O_TRACE, O_HELP, O_DEBUG, O_VERSION};
static struct option my_options[] =
{
{"interp", 1, 0, O_INTERP},
+ {"preinterpolation-factor", 1, 0, O_PREINTERPOLATION_FACTOR},
{"filter", 1, 0, O_FILTER},
{"filter-method", 1, 0, O_FILTER_METHOD},
+ {"zeropad", 1, 0, O_ZEROPAD},
{"filter-param", 1, 0, O_FILTER_PARAM},
{"backproj", 1, 0, O_BACKPROJ},
{"trace", 1, 0, O_TRACE},
cout << "usage: " << fileBasename(program) << " raysum-file image-file nx-image ny-image [OPTIONS]" << endl;
cout << "Image reconstruction from raysum projections" << endl;
cout << endl;
- cout << " raysum-file Input raysum file" << endl;
- cout << " image-file Output image file in SDF2D format" << endl;
- cout << " nx-image Number of columns in output image" << endl;
- cout << " ny-image Number of rows in output image" << endl;
- cout << " --interp Interpolation method during backprojection" << endl;
- cout << " nearest Nearest neighbor interpolation" << endl;
- cout << " linear Linear interpolation" << endl;
+ cout << " raysum-file Input raysum file" << endl;
+ cout << " image-file Output image file in SDF2D format" << endl;
+ cout << " nx-image Number of columns in output image" << endl;
+ cout << " ny-image Number of rows in output image" << endl;
+ cout << " --interp Interpolation method during backprojection" << endl;
+ cout << " nearest Nearest neighbor interpolation" << endl;
+ cout << " linear Linear interpolation" << endl;
#if HAVE_BSPLINE_INTERP
- cout << " bspline B-spline interpolation" << endl;
+ cout << " bspline B-spline interpolation" << endl;
#endif
- cout << " --filter Filter name" << endl;
- cout << " abs_bandlimit Abs * Bandlimiting (default)" << endl;
- cout << " abs_sinc Abs * Sinc" << endl;
- cout << " abs_cos Abs * Cosine" << endl;
- cout << " abs_hamming Abs * Hamming" << endl;
- cout << " shepp Shepp-Logan" << endl;
- cout << " bandlimit Bandlimiting" << endl;
- cout << " sinc Sinc" << endl;
- cout << " cos Cosine" << endl;
- cout << " triangle Triangle" << endl;
- cout << " hamming Hamming" << endl;
- cout << " --filter-method Filter method before backprojections\n";;
- cout << " convolution Spatial filtering (default)\n";
- cout << " fourier Frequency filtering with discete fourier\n";
- cout << " --backproj Backprojection Method" << endl;
- cout << " trig Trigometric functions at every point" << endl;
- cout << " table Trigometric functions with precalculated table" << endl;
- cout << " diff Difference method" << endl;
- cout << " diff2 Optimized difference method (default)" << endl;
- cout << " idiff2 Optimized difference method with integer math" << endl;
- cout << " --filter-param Alpha level for Hamming filter" << endl;
- cout << " --trace Set tracing to level" << endl;
- cout << " none No tracing (default)" << endl;
- cout << " text Text level tracing" << endl;
- cout << " phm Trace phantom" << endl;
- cout << " rays Trace allrays" << endl;
- cout << " plot Trace plotting" << endl;
- cout << " clipping Trace clipping" << endl;
- cout << " --verbose Turn on verbose mode" << endl;
- cout << " --debug Turn on debug mode" << endl;
- cout << " --version Print version" << endl;
- cout << " --help Print this help message" << endl;
+ cout << " --preinterpolate Preinterpolation factor (default = 1)\n";
+ cout << " Used only with frequency-based filtering\n";
+ cout << " --filter Filter name" << endl;
+ cout << " abs_bandlimit Abs * Bandlimiting (default)" << endl;
+ cout << " abs_sinc Abs * Sinc" << endl;
+ cout << " abs_cos Abs * Cosine" << endl;
+ cout << " abs_hamming Abs * Hamming" << endl;
+ cout << " shepp Shepp-Logan" << endl;
+ cout << " bandlimit Bandlimiting" << endl;
+ cout << " sinc Sinc" << endl;
+ cout << " cos Cosine" << endl;
+ cout << " triangle Triangle" << endl;
+ cout << " hamming Hamming" << endl;
+ cout << " --filter-method Filter method before backprojections\n";;
+ cout << " convolution Spatial filtering (default)\n";
+ cout << " fourier Frequency filtering with discete fourier\n";
+ cout << " fourier_table Frequency filtering with table lookup fourier\n";
+ cout << " fft Fast Fourier Transform\n";
+#if HAVE_FFTW
+ cout << " fftw Fast Fourier Transform West library\n";
+ cout << " rfftw Fast Fourier Transform West (real-mode) library\n";
+#endif
+ cout << " --zeropad n Set zeropad level (default = 0)\n";
+ cout << " set n to number of powers to two to pad\n";
+ cout << " --backproj Backprojection Method" << endl;
+ cout << " trig Trigometric functions at every point" << endl;
+ cout << " table Trigometric functions with precalculated table" << endl;
+ cout << " diff Difference method" << endl;
+ cout << " diff2 Optimized difference method (default)" << endl;
+ cout << " idiff2 Optimized difference method with integer math" << endl;
+ cout << " idiff3 Highly-optimized difference method with integer math" << endl;
+ cout << " --filter-param Alpha level for Hamming filter" << endl;
+ cout << " --trace Set tracing to level" << endl;
+ cout << " none No tracing (default)" << endl;
+ cout << " text Text level tracing" << endl;
+ cout << " phm Trace phantom" << endl;
+ cout << " rays Trace allrays" << endl;
+ cout << " plot Trace plotting" << endl;
+ cout << " clipping Trace clipping" << endl;
+ cout << " --verbose Turn on verbose mode" << endl;
+ cout << " --debug Turn on debug mode" << endl;
+ cout << " --version Print version" << endl;
+ cout << " --help Print this help message" << endl;
}
char *endptr;
int optVerbose = 0;
int optDebug = 0;
+ int optZeroPad = 0;
int optTrace = TRACE_NONE;
double optFilterParam = -1;
string optFilterName = SignalFilter::FILTER_ABS_BANDLIMIT_STR;
string optInterpName = Backprojector::INTERP_LINEAR_STR;
string optBackprojName = Backprojector::BPROJ_IDIFF2_STR;
// string optFilterMethodName = SignalFilter::FILTER_METHOD_CONVOLUTION_STR;
- int optInterpParam = 1;
+ int optPreinterpolationFactor = 1;
int nx, ny;
#ifdef HAVE_MPI
ImageFile* imLocal;
case O_INTERP:
optInterpName = optarg;
break;
+ case O_PREINTERPOLATION_FACTOR:
+ optPreinterpolationFactor = strtol(optarg, &endptr, 10);
+ if (endptr != optarg + strlen(optarg)) {
+ pjrec_usage(argv[0]);
+ return(1);
+ }
+ break;
case O_FILTER:
optFilterName = optarg;
break;
optFilterParam = strtod(optarg, &endptr);
if (endptr != optarg + strlen(optarg)) {
pjrec_usage(argv[0]);
+ return(1);
+ }
+ break;
+ case O_ZEROPAD:
+ optZeroPad = strtol(optarg, &endptr, 10);
+ if (endptr != optarg + strlen(optarg)) {
+ pjrec_usage(argv[0]);
+ return(1);
}
break;
case O_VERBOSE:
filterDesc << optFilterName;
ostringstream label;
- label << "pjrec: " << nx << "x" << ny << ", " << filterDesc.str() << ", " << optInterpName << ", " << optBackprojName;
+ label << "pjrec: " << nx << "x" << ny << ", " << filterDesc.str() << ", " << optInterpName << ", preinterpolation=" << optPreinterpolationFactor << ", " << optBackprojName;
remark = label.str();
if (optVerbose)
TimerCollectiveMPI timerBcast (mpiWorld.getComm());
mpiWorld.BcastString (optBackprojName);
mpiWorld.BcastString (optFilterName);
+ mpiWorld.BcastString (optFilterMethodName);
mpiWorld.BcastString (optInterpName);
mpiWorld.getComm().Bcast (&optVerbose, 1, MPI::INT, 0);
mpiWorld.getComm().Bcast (&optDebug, 1, MPI::INT, 0);
mpiWorld.getComm().Bcast (&optTrace, 1, MPI::INT, 0);
mpiWorld.getComm().Bcast (&optFilterParam, 1, MPI::DOUBLE, 0);
- mpiWorld.getComm().Bcast (&optInterpParam, 1, MPI::INT, 0);
+ mpiWorld.getComm().Bcast (&optZeroPad, 1, MPI::INT, 0);
+ mpiWorld.getComm().Bcast (&optPreinterpolationFactor, 1, MPI::INT, 0);
mpiWorld.getComm().Bcast (&mpi_ndet, 1, MPI::INT, 0);
mpiWorld.getComm().Bcast (&mpi_nview, 1, MPI::INT, 0);
mpiWorld.getComm().Bcast (&mpi_detinc, 1, MPI::DOUBLE, 0);
#ifdef HAVE_MPI
TimerCollectiveMPI timerReconstruct (mpiWorld.getComm());
- projLocal.reconstruct (*imLocal, optFilterName.c_str(), optFilterParam, optFilterMethodName.c_str(), optInterpName.c_str(), optInterpParam, optBackprojName.c_str(), optTrace);
+ projLocal.reconstruct (*imLocal, optFilterName.c_str(), optFilterParam, optFilterMethodName.c_str(), optZeroPad, optInterpName.c_str(), optPreinterpolationFactor, optBackprojName.c_str(), optTrace);
if (optVerbose)
timerReconstruct.timerEndAndReport ("Time to reconstruct");
if (optVerbose)
timerReduce.timerEndAndReport ("Time to reduce image");
#else
- projGlobal.reconstruct (*imGlobal, optFilterName.c_str(), optFilterParam, optFilterMethodName.c_str(), optInterpName.c_str(), optInterpParam, optBackprojName.c_str(), optTrace);
+ projGlobal.reconstruct (*imGlobal, optFilterName.c_str(), optFilterParam, optFilterMethodName.c_str(), optZeroPad, optInterpName.c_str(), optPreinterpolationFactor, optBackprojName.c_str(), optTrace);
#endif
#ifdef HAVE_MPI