read_fft_optimization_dataread_fft_optimization_dataReadFftOptimizationDataReadFftOptimizationDataread_fft_optimization_data (算子名称)
名称
read_fft_optimization_dataread_fft_optimization_dataReadFftOptimizationDataReadFftOptimizationDataread_fft_optimization_data
— Load FFT speed optimization data from a file.
参数签名
read_fft_optimization_data( : : FileName : )
Herror read_fft_optimization_data(const char* FileName)
Herror T_read_fft_optimization_data(const Htuple FileName)
void ReadFftOptimizationData(const HTuple& FileName)
static void HMisc::ReadFftOptimizationData(const HString& FileName)
static void HMisc::ReadFftOptimizationData(const char* FileName)
static void HMisc::ReadFftOptimizationData(const wchar_t* FileName)
(
Windows only)
def read_fft_optimization_data(file_name: str) -> None
描述
read_fft_optimization_dataread_fft_optimization_dataReadFftOptimizationDataReadFftOptimizationDataReadFftOptimizationDataread_fft_optimization_data
loads data for optimizing the
runtime of the FFT from the file given by FileNameFileNameFileNameFileNamefileNamefile_name
. The
optimization data must have been determined previously with
optimize_fft_speedoptimize_fft_speedOptimizeFftSpeedOptimizeFftSpeedOptimizeFftSpeedoptimize_fft_speed
and must have been stored with
write_fft_optimization_datawrite_fft_optimization_dataWriteFftOptimizationDataWriteFftOptimizationDataWriteFftOptimizationDatawrite_fft_optimization_data
. If the stored data have been
determined for the image sizes to be used in the application, a call
to optimize_fft_speedoptimize_fft_speedOptimizeFftSpeedOptimizeFftSpeedOptimizeFftSpeedoptimize_fft_speed
is unnecessary. It should be noted
that the data should only be used on the same machine on which they
were determined with optimize_fft_speedoptimize_fft_speedOptimizeFftSpeedOptimizeFftSpeedOptimizeFftSpeedoptimize_fft_speed
. If this is not
observed the runtimes will not be optimal. Furthermore, it should
be noted that optimization data that were created with Standard
HALCON cannot be used with Parallel HALCON and vice versa.
read_fft_optimization_dataread_fft_optimization_dataReadFftOptimizationDataReadFftOptimizationDataReadFftOptimizationDataread_fft_optimization_data
influences the runtime of the
following operators, which use the FFT: fft_genericfft_genericFftGenericFftGenericFftGenericfft_generic
,
fft_imagefft_imageFftImageFftImageFftImagefft_image
, fft_image_invfft_image_invFftImageInvFftImageInvFftImageInvfft_image_inv
, sfs_pentlandsfs_pentlandSfsPentlandSfsPentlandSfsPentlandsfs_pentland
,
sfs_mod_lrsfs_mod_lrSfsModLrSfsModLrSfsModLrsfs_mod_lr
, sfs_orig_lrsfs_orig_lrSfsOrigLrSfsOrigLrSfsOrigLrsfs_orig_lr
wiener_filterwiener_filterWienerFilterWienerFilterWienerFilterwiener_filter
.
运行信息
- Multithreading type: reentrant (runs in parallel with non-exclusive operators).
- Multithreading scope: global (may be called from any thread).
- Processed without parallelization.
参数表
FileNameFileNameFileNameFileNamefileNamefile_name
(input_control) filename.read →
HTuplestrHTupleHtuple (string) (string) (HString) (char*)
File name of the optimization data.
Default:
'fft_opt.dat'
"fft_opt.dat"
"fft_opt.dat"
"fft_opt.dat"
"fft_opt.dat"
"fft_opt.dat"
结果
read_fft_optimization_dataread_fft_optimization_dataReadFftOptimizationDataReadFftOptimizationDataReadFftOptimizationDataread_fft_optimization_data
returns 2 (
H_MSG_TRUE)
if all parameters
are correct. If necessary, an exception is raised.
可能的后置算子
fft_genericfft_genericFftGenericFftGenericFftGenericfft_generic
,
fft_imagefft_imageFftImageFftImageFftImagefft_image
,
fft_image_invfft_image_invFftImageInvFftImageInvFftImageInvfft_image_inv
,
rft_genericrft_genericRftGenericRftGenericRftGenericrft_generic
,
wiener_filterwiener_filterWienerFilterWienerFilterWienerFilterwiener_filter
,
wiener_filter_niwiener_filter_niWienerFilterNiWienerFilterNiWienerFilterNiwiener_filter_ni
,
photometric_stereophotometric_stereoPhotometricStereoPhotometricStereoPhotometricStereophotometric_stereo
,
sfs_pentlandsfs_pentlandSfsPentlandSfsPentlandSfsPentlandsfs_pentland
,
sfs_mod_lrsfs_mod_lrSfsModLrSfsModLrSfsModLrsfs_mod_lr
,
sfs_orig_lrsfs_orig_lrSfsOrigLrSfsOrigLrSfsOrigLrsfs_orig_lr
可替代算子
optimize_fft_speedoptimize_fft_speedOptimizeFftSpeedOptimizeFftSpeedOptimizeFftSpeedoptimize_fft_speed
,
optimize_rft_speedoptimize_rft_speedOptimizeRftSpeedOptimizeRftSpeedOptimizeRftSpeedoptimize_rft_speed
参考其它
write_fft_optimization_datawrite_fft_optimization_dataWriteFftOptimizationDataWriteFftOptimizationDataWriteFftOptimizationDatawrite_fft_optimization_data
模块
Foundation