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| author | Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl> | 2018-07-13 14:48:19 +0200 |
|---|---|---|
| committer | Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl> | 2018-07-17 11:30:05 +0200 |
| commit | da434892133fe0979c5e8ef8be277673452e7728 (patch) | |
| tree | 067a82c2e5daa55fc49447599fc64b73132a6416 /cuda/2d | |
| parent | d32df3bcd1910f56195e828a0f7fba8fc04b90ab (diff) | |
| download | astra-da434892133fe0979c5e8ef8be277673452e7728.tar.gz astra-da434892133fe0979c5e8ef8be277673452e7728.tar.bz2 astra-da434892133fe0979c5e8ef8be277673452e7728.tar.xz astra-da434892133fe0979c5e8ef8be277673452e7728.zip | |
Add filter size error reporting
Diffstat (limited to 'cuda/2d')
| -rw-r--r-- | cuda/2d/fbp.cu | 7 | ||||
| -rw-r--r-- | cuda/2d/fft.cu | 11 |
2 files changed, 4 insertions, 14 deletions
diff --git a/cuda/2d/fbp.cu b/cuda/2d/fbp.cu index 1574ccc..e8a224e 100644 --- a/cuda/2d/fbp.cu +++ b/cuda/2d/fbp.cu @@ -35,6 +35,7 @@ along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>. #include "astra/cuda/3d/fdk.h" #include "astra/Logging.h" +#include "astra/Filters.h" #include <cuda.h> @@ -55,7 +56,7 @@ static int calcNextPowerOfTwo(int n) int FBP::calcFourierFilterSize(int _iDetectorCount) { int iFFTRealDetCount = calcNextPowerOfTwo(2 * _iDetectorCount); - int iFreqBinCount = calcFFTFourierSize(iFFTRealDetCount); + int iFreqBinCount = astra::calcFFTFourierSize(iFFTRealDetCount); // CHECKME: Matlab makes this at least 64. Do we also need to? return iFreqBinCount; @@ -101,7 +102,7 @@ bool FBP::setFilter(const astra::SFilterConfig &_cfg) int iFFTRealDetCount = calcNextPowerOfTwo(2 * dims.iProjDets); - int iFreqBinCount = calcFFTFourierSize(iFFTRealDetCount); + int iFreqBinCount = astra::calcFFTFourierSize(iFFTRealDetCount); cufftComplex * pHostFilter = new cufftComplex[dims.iProjAngles * iFreqBinCount]; memset(pHostFilter, 0, sizeof(cufftComplex) * dims.iProjAngles * iFreqBinCount); @@ -311,7 +312,7 @@ bool FBP::iterate(unsigned int iterations) if (D_filter) { int iFFTRealDetCount = calcNextPowerOfTwo(2 * dims.iProjDets); - int iFFTFourDetCount = calcFFTFourierSize(iFFTRealDetCount); + int iFFTFourDetCount = astra::calcFFTFourierSize(iFFTRealDetCount); cufftComplex * pDevComplexSinogram = NULL; diff --git a/cuda/2d/fft.cu b/cuda/2d/fft.cu index 864e325..dc0edc3 100644 --- a/cuda/2d/fft.cu +++ b/cuda/2d/fft.cu @@ -275,17 +275,6 @@ bool runCudaIFFT(int _iProjectionCount, const cufftComplex* _pDevSourceComplex, return true; } - -// Because the input is real, the Fourier transform is symmetric. -// CUFFT only outputs the first half (ignoring the redundant second half), -// and expects the same as input for the IFFT. -int calcFFTFourierSize(int _iFFTRealSize) -{ - int iFFTFourierSize = _iFFTRealSize / 2 + 1; - - return iFFTFourierSize; -} - void genIdenFilter(int _iProjectionCount, cufftComplex * _pFilter, int _iFFTRealDetectorCount, int _iFFTFourierDetectorCount) { |