diff options
author | Willem Jan Palenstijn <WillemJan.Palenstijn@uantwerpen.be> | 2013-07-01 22:34:11 +0000 |
---|---|---|
committer | wpalenst <WillemJan.Palenstijn@uantwerpen.be> | 2013-07-01 22:34:11 +0000 |
commit | b2fc6c70434674d74551c3a6c01ffb3233499312 (patch) | |
tree | b17f080ebc504ab85ebb7c3d89f917fd87ce9e00 /cuda/2d/fft.h | |
download | astra-b2fc6c70434674d74551c3a6c01ffb3233499312.tar.gz astra-b2fc6c70434674d74551c3a6c01ffb3233499312.tar.bz2 astra-b2fc6c70434674d74551c3a6c01ffb3233499312.tar.xz astra-b2fc6c70434674d74551c3a6c01ffb3233499312.zip |
Update version to 1.3
Diffstat (limited to 'cuda/2d/fft.h')
-rw-r--r-- | cuda/2d/fft.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/cuda/2d/fft.h b/cuda/2d/fft.h new file mode 100644 index 0000000..55324e5 --- /dev/null +++ b/cuda/2d/fft.h @@ -0,0 +1,69 @@ +/* +----------------------------------------------------------------------- +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 FFT_H +#define FFT_H + +#include <cufft.h> +#include <cuda.h> + +#include "fbp_filters.h" + +bool allocateComplexOnDevice(int _iProjectionCount, + int _iDetectorCount, + cufftComplex ** _ppDevComplex); + +bool freeComplexOnDevice(cufftComplex * _pDevComplex); + +bool uploadComplexArrayToDevice(int _iProjectionCount, int _iDetectorCount, + cufftComplex * _pHostComplexSource, + cufftComplex * _pDevComplexTarget); + +bool runCudaFFT(int _iProjectionCount, const float * _pfDevRealSource, + int _iSourcePitch, int _iSourcePadX, int _iProjDets, + int _iFFTRealDetectorCount, int _iFFTFourierDetectorCount, + cufftComplex * _pDevTargetComplex); + +bool runCudaIFFT(int _iProjectionCount, const cufftComplex* _pDevSourceComplex, + float * _pfRealTarget, + int _iTargetPitch, int _iTargetPadX, int _iProjDets, + int _iFFTRealDetectorCount, int _iFFTFourierDetectorCount); + +void applyFilter(int _iProjectionCount, int _iFreqBinCount, + cufftComplex * _pSinogram, cufftComplex * _pFilter); + +int calcFFTFourSize(int _iFFTRealSize); + +void genFilter(E_FBPFILTER _eFilter, float _fD, int _iProjectionCount, + cufftComplex * _pFilter, int _iFFTRealDetectorCount, + int _iFFTFourierDetectorCount, float _fParameter = -1.0f); + +void genIdenFilter(int _iProjectionCount, cufftComplex * _pFilter, + int _iFFTRealDetectorCount, int _iFFTFourierDetectorCount); + +#endif /* FFT_H */ |