From b2fc6c70434674d74551c3a6c01ffb3233499312 Mon Sep 17 00:00:00 2001 From: Willem Jan Palenstijn Date: Mon, 1 Jul 2013 22:34:11 +0000 Subject: Update version to 1.3 --- cuda/2d/sart.h | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 cuda/2d/sart.h (limited to 'cuda/2d/sart.h') diff --git a/cuda/2d/sart.h b/cuda/2d/sart.h new file mode 100644 index 0000000..ad80259 --- /dev/null +++ b/cuda/2d/sart.h @@ -0,0 +1,85 @@ +/* +----------------------------------------------------------------------- +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 . + +----------------------------------------------------------------------- +$Id$ +*/ + +#ifndef _CUDA_SART_H +#define _CUDA_SART_H + +#include "util.h" +#include "algo.h" + +namespace astraCUDA { + +class _AstraExport SART : public ReconAlgo { +public: + SART(); + ~SART(); + + // disable some features + virtual bool enableSinogramMask() { return false; } + + virtual bool init(); + + virtual bool setProjectionOrder(int* projectionOrder, int projectionCount); + + virtual bool iterate(unsigned int iterations); + + virtual float computeDiffNorm(); + +protected: + void reset(); + bool precomputeWeights(); + + bool callFP_SART(float* D_volumeData, unsigned int volumePitch, + float* D_projData, unsigned int projPitch, + unsigned int angle, float outputScale); + bool callBP_SART(float* D_volumeData, unsigned int volumePitch, + float* D_projData, unsigned int projPitch, + unsigned int angle); + + + // projection angle variables + bool customOrder; + int* projectionOrder; + int projectionCount; + int iteration; + + // Temporary buffers + float* D_projData; + unsigned int projPitch; + + float* D_tmpData; // Only used when there's a volume mask + unsigned int tmpPitch; + + // Geometry-specific precomputed data + float* D_lineWeight; + unsigned int linePitch; +}; + +} + +#endif -- cgit v1.2.3