signal.h File Reference

#include <af/defines.h>

Go to the source code of this file.

Namespaces
namespace	af

Functions
AFAPI array	approx1 (const array &in, const array &pos, const interpType method=AF_INTERP_LINEAR, const float off_grid=0.0f)
	C++ Interface for data interpolation on one-dimensional signals. More...
AFAPI array	approx2 (const array &in, const array &pos0, const array &pos1, const interpType method=AF_INTERP_LINEAR, const float off_grid=0.0f)
	C++ Interface for data interpolation on two-dimensional signals. More...
AFAPI array	approx1 (const array &in, const array &pos, const int interp_dim, const double idx_start, const double idx_step, const interpType method=AF_INTERP_LINEAR, const float off_grid=0.0f)
	C++ Interface for data interpolation on one-dimensional signals. More...
AFAPI array	approx2 (const array &in, const array &pos0, const int interp_dim0, const double idx_start_dim0, const double idx_step_dim0, const array &pos1, const int interp_dim1, const double idx_start_dim1, const double idx_step_dim1, const interpType method=AF_INTERP_LINEAR, const float off_grid=0.0f)
	C++ Interface for data interpolation on two-dimensional signals. More...
AFAPI array	fftNorm (const array &in, const double norm_factor, const dim_t odim0=0)
	C++ Interface for fast fourier transform on one dimensional signals. More...
AFAPI array	fft2Norm (const array &in, const double norm_factor, const dim_t odim0=0, const dim_t odim1=0)
	C++ Interface for fast fourier transform on two dimensional signals. More...
AFAPI array	fft3Norm (const array &in, const double norm_factor, const dim_t odim0=0, const dim_t odim1=0, const dim_t odim2=0)
	C++ Interface for fast fourier transform on three dimensional signals. More...
AFAPI void	fftInPlace (array &in, const double norm_factor=1.0)
	C++ Interface for fast fourier transform on one dimensional signals. More...
AFAPI void	fft2InPlace (array &in, const double norm_factor=1.0)
	C++ Interface for fast fourier transform on two dimensional signals. More...
AFAPI void	fft3InPlace (array &in, const double norm_factor=1.0)
	C++ Interface for fast fourier transform on three dimensional signals. More...
AFAPI array	fft (const array &in, const dim_t odim0=0)
	C++ Interface for fast fourier transform on one dimensional signals. More...
AFAPI array	fft2 (const array &in, const dim_t odim0=0, const dim_t odim1=0)
	C++ Interface for fast fourier transform on two dimensional signals. More...
AFAPI array	fft3 (const array &in, const dim_t odim0=0, const dim_t odim1=0, const dim_t odim2=0)
	C++ Interface for fast fourier transform on three dimensional signals. More...
AFAPI array	dft (const array &in, const double norm_factor, const dim4 outDims)
	C++ Interface for fast fourier transform on any(1d, 2d, 3d) dimensional signals. More...
AFAPI array	dft (const array &in, const dim4 outDims)
	C++ Interface for fast fourier transform on any(1d, 2d, 3d) dimensional signals. More...
AFAPI array	dft (const array &in)
	C++ Interface for fast fourier transform on any(1d, 2d, 3d) dimensional signals. More...
AFAPI array	ifftNorm (const array &in, const double norm_factor, const dim_t odim0=0)
	C++ Interface for inverse fast fourier transform on one dimensional signals. More...
AFAPI array	ifft2Norm (const array &in, const double norm_factor, const dim_t odim0=0, const dim_t odim1=0)
	C++ Interface for inverse fast fourier transform on two dimensional signals. More...
AFAPI array	ifft3Norm (const array &in, const double norm_factor, const dim_t odim0=0, const dim_t odim1=0, const dim_t odim2=0)
	C++ Interface for inverse fast fourier transform on three dimensional signals. More...
AFAPI void	ifftInPlace (array &in, const double norm_factor=1.0)
	C++ Interface for fast fourier transform on one dimensional signals. More...
AFAPI void	ifft2InPlace (array &in, const double norm_factor=1.0)
	C++ Interface for fast fourier transform on two dimensional signals. More...
AFAPI void	ifft3InPlace (array &in, const double norm_factor=1.0)
	C++ Interface for fast fourier transform on three dimensional signals. More...
AFAPI array	ifft (const array &in, const dim_t odim0=0)
	C++ Interface for inverse fast fourier transform on one dimensional signals. More...
AFAPI array	ifft2 (const array &in, const dim_t odim0=0, const dim_t odim1=0)
	C++ Interface for inverse fast fourier transform on two dimensional signals. More...
AFAPI array	ifft3 (const array &in, const dim_t odim0=0, const dim_t odim1=0, const dim_t odim2=0)
	C++ Interface for inverse fast fourier transform on three dimensional signals. More...
AFAPI array	idft (const array &in, const double norm_factor, const dim4 outDims)
	C++ Interface for inverse fast fourier transform on any(1d, 2d, 3d) dimensional signals. More...
AFAPI array	idft (const array &in, const dim4 outDims)
	C++ Interface for inverse fast fourier transform on any(1d, 2d, 3d) dimensional signals. More...
AFAPI array	idft (const array &in)
	C++ Interface for inverse fast fourier transform on any(1d, 2d, 3d) dimensional signals. More...
template<int rank>
array	fftR2C (const array &in, const dim4 &dims, const double norm_factor=1.0)
	C++ Interface for real to complex fast fourier transform for one dimensional signals. More...
template<int rank>
array	fftR2C (const array &in, const double norm_factor=1.0)
	C++ Interface for real to complex fast fourier transform for one dimensional signals. More...
template<int rank>
array	fftC2R (const array &in, bool is_odd=false, const double norm_factor=1.0)
	C++ Interface for complex to real fast fourier transform. More...
AFAPI array	convolve (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT, const convDomain domain=AF_CONV_AUTO)
	C++ Interface for convolution any(one through three) dimensional signals. More...
AFAPI array	convolve (const array &col_filter, const array &row_filter, const array &signal, const convMode mode=AF_CONV_DEFAULT)
	C++ Interface for separable convolution on two dimensional signals. More...
AFAPI array	convolve1 (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT, const convDomain domain=AF_CONV_AUTO)
	C++ Interface for convolution on one dimensional signals. More...
AFAPI array	convolve2 (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT, const convDomain domain=AF_CONV_AUTO)
	C++ Interface for convolution on two dimensional signals. More...
AFAPI array	convolve2NN (const array &signal, const array &filter, const dim4 stride, const dim4 padding, const dim4 dilation)
	C++ Interface for 2D convolution. More...
AFAPI array	convolve3 (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT, const convDomain domain=AF_CONV_AUTO)
	C++ Interface for convolution on three dimensional signals. More...
AFAPI array	fftConvolve (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT)
	C++ Interface for FFT-based convolution any(one through three) dimensional signals. More...
AFAPI array	fftConvolve1 (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT)
	C++ Interface for convolution on 1D signals using FFT. More...
AFAPI array	fftConvolve2 (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT)
	C++ Interface for convolution on 2D signals using FFT. More...
AFAPI array	fftConvolve3 (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT)
	C++ Interface for convolution on 3D signals using FFT. More...
AFAPI array	fir (const array &b, const array &x)
	C++ Interface for finite impulse response filter. More...
AFAPI array	iir (const array &b, const array &a, const array &x)
	C++ Interface for infinite impulse response filter. More...
AFAPI array	medfilt (const array &in, const dim_t wind_length=3, const dim_t wind_width=3, const borderType edge_pad=AF_PAD_ZERO)
	C++ Interface for median filter. More...
AFAPI array	medfilt1 (const array &in, const dim_t wind_width=3, const borderType edge_pad=AF_PAD_ZERO)
	C++ Interface for median filter. More...
AFAPI array	medfilt2 (const array &in, const dim_t wind_length=3, const dim_t wind_width=3, const borderType edge_pad=AF_PAD_ZERO)
	C++ Interface for median filter. More...
AFAPI void	setFFTPlanCacheSize (size_t cacheSize)
	C++ Interface for setting plan cache size. More...
AFAPI af_err	af_approx1 (af_array *out, const af_array in, const af_array pos, const af_interp_type method, const float off_grid)
	C Interface for signals interpolation on one dimensional signals. More...
AFAPI af_err	af_approx1_v2 (af_array *out, const af_array in, const af_array pos, const af_interp_type method, const float off_grid)
	C Interface for the version of af_approx1 that accepts a preallocated output array. More...
AFAPI af_err	af_approx2 (af_array *out, const af_array in, const af_array pos0, const af_array pos1, const af_interp_type method, const float off_grid)
	C Interface for signals interpolation on two dimensional signals. More...
AFAPI af_err	af_approx2_v2 (af_array *out, const af_array in, const af_array pos0, const af_array pos1, const af_interp_type method, const float off_grid)
	C Interface for the version of af_approx2 that accepts a preallocated output array. More...
AFAPI af_err	af_approx1_uniform (af_array *out, const af_array in, const af_array pos, const int interp_dim, const double idx_start, const double idx_step, const af_interp_type method, const float off_grid)
	C Interface for signals interpolation on one dimensional signals along specified dimension. More...
AFAPI af_err	af_approx1_uniform_v2 (af_array *out, const af_array in, const af_array pos, const int interp_dim, const double idx_start, const double idx_step, const af_interp_type method, const float off_grid)
	C Interface for the version of af_approx1_uniform that accepts a preallocated output array. More...
AFAPI af_err	af_approx2_uniform (af_array *out, const af_array in, const af_array pos0, const int interp_dim0, const double idx_start_dim0, const double idx_step_dim0, const af_array pos1, const int interp_dim1, const double idx_start_dim1, const double idx_step_dim1, const af_interp_type method, const float off_grid)
	C Interface for signals interpolation on two dimensional signals along specified dimensions. More...
AFAPI af_err	af_approx2_uniform_v2 (af_array *out, const af_array in, const af_array pos0, const int interp_dim0, const double idx_start_dim0, const double idx_step_dim0, const af_array pos1, const int interp_dim1, const double idx_start_dim1, const double idx_step_dim1, const af_interp_type method, const float off_grid)
	C Interface for the version of af_approx2_uniform that accepts a preallocated output array. More...
AFAPI af_err	af_fft (af_array *out, const af_array in, const double norm_factor, const dim_t odim0)
	C Interface for fast fourier transform on one dimensional signals. More...
AFAPI af_err	af_fft_inplace (af_array in, const double norm_factor)
	C Interface for fast fourier transform on one dimensional signals. More...
AFAPI af_err	af_fft2 (af_array *out, const af_array in, const double norm_factor, const dim_t odim0, const dim_t odim1)
	C Interface for fast fourier transform on two dimensional signals. More...
AFAPI af_err	af_fft2_inplace (af_array in, const double norm_factor)
	C Interface for fast fourier transform on two dimensional signals. More...
AFAPI af_err	af_fft3 (af_array *out, const af_array in, const double norm_factor, const dim_t odim0, const dim_t odim1, const dim_t odim2)
	C Interface for fast fourier transform on three dimensional signals. More...
AFAPI af_err	af_fft3_inplace (af_array in, const double norm_factor)
	C Interface for fast fourier transform on three dimensional signals. More...
AFAPI af_err	af_ifft (af_array *out, const af_array in, const double norm_factor, const dim_t odim0)
	C Interface for inverse fast fourier transform on one dimensional signals. More...
AFAPI af_err	af_ifft_inplace (af_array in, const double norm_factor)
	C Interface for fast fourier transform on one dimensional signals. More...
AFAPI af_err	af_ifft2 (af_array *out, const af_array in, const double norm_factor, const dim_t odim0, const dim_t odim1)
	C Interface for inverse fast fourier transform on two dimensional signals. More...
AFAPI af_err	af_ifft2_inplace (af_array in, const double norm_factor)
	C Interface for fast fourier transform on two dimensional signals. More...
AFAPI af_err	af_ifft3 (af_array *out, const af_array in, const double norm_factor, const dim_t odim0, const dim_t odim1, const dim_t odim2)
	C Interface for inverse fast fourier transform on three dimensional signals. More...
AFAPI af_err	af_ifft3_inplace (af_array in, const double norm_factor)
	C Interface for fast fourier transform on three dimensional signals. More...
AFAPI af_err	af_fft_r2c (af_array *out, const af_array in, const double norm_factor, const dim_t pad0)
	C Interface for real to complex fast fourier transform for one dimensional signals. More...
AFAPI af_err	af_fft2_r2c (af_array *out, const af_array in, const double norm_factor, const dim_t pad0, const dim_t pad1)
	C Interface for real to complex fast fourier transform for two dimensional signals. More...
AFAPI af_err	af_fft3_r2c (af_array *out, const af_array in, const double norm_factor, const dim_t pad0, const dim_t pad1, const dim_t pad2)
	C Interface for real to complex fast fourier transform for three dimensional signals. More...
AFAPI af_err	af_fft_c2r (af_array *out, const af_array in, const double norm_factor, const bool is_odd)
	C Interface for complex to real fast fourier transform for one dimensional signals. More...
AFAPI af_err	af_fft2_c2r (af_array *out, const af_array in, const double norm_factor, const bool is_odd)
	C Interface for complex to real fast fourier transform for two dimensional signals. More...
AFAPI af_err	af_fft3_c2r (af_array *out, const af_array in, const double norm_factor, const bool is_odd)
	C Interface for complex to real fast fourier transform for three dimensional signals. More...
AFAPI af_err	af_convolve1 (af_array *out, const af_array signal, const af_array filter, const af_conv_mode mode, af_conv_domain domain)
	C Interface for convolution on one dimensional signals. More...
AFAPI af_err	af_convolve2 (af_array *out, const af_array signal, const af_array filter, const af_conv_mode mode, af_conv_domain domain)
	C Interface for convolution on two dimensional signals. More...
AFAPI af_err	af_convolve2_nn (af_array *out, const af_array signal, const af_array filter, const unsigned stride_dims, const dim_t *strides, const unsigned padding_dims, const dim_t *paddings, const unsigned dilation_dims, const dim_t *dilations)
	C Interface for 2D convolution. More...
AFAPI af_err	af_convolve3 (af_array *out, const af_array signal, const af_array filter, const af_conv_mode mode, af_conv_domain domain)
	C Interface for convolution on three dimensional signals. More...
AFAPI af_err	af_convolve2_sep (af_array *out, const af_array col_filter, const af_array row_filter, const af_array signal, const af_conv_mode mode)
	C Interface for separable convolution on two dimensional signals. More...
AFAPI af_err	af_fft_convolve1 (af_array *out, const af_array signal, const af_array filter, const af_conv_mode mode)
	C Interface for convolution on 1D signals using FFT. More...
AFAPI af_err	af_fft_convolve2 (af_array *out, const af_array signal, const af_array filter, const af_conv_mode mode)
	C Interface for convolution on 2D signals using FFT. More...
AFAPI af_err	af_fft_convolve3 (af_array *out, const af_array signal, const af_array filter, const af_conv_mode mode)
	C Interface for convolution on 3D signals using FFT. More...
AFAPI af_err	af_fir (af_array *y, const af_array b, const af_array x)
	C Interface for finite impulse response filter. More...
AFAPI af_err	af_iir (af_array *y, const af_array b, const af_array a, const af_array x)
	C Interface for infinite impulse response filter. More...
AFAPI af_err	af_medfilt (af_array *out, const af_array in, const dim_t wind_length, const dim_t wind_width, const af_border_type edge_pad)
	C Interface for median filter. More...
AFAPI af_err	af_medfilt1 (af_array *out, const af_array in, const dim_t wind_width, const af_border_type edge_pad)
	C Interface for 1D median filter. More...
AFAPI af_err	af_medfilt2 (af_array *out, const af_array in, const dim_t wind_length, const dim_t wind_width, const af_border_type edge_pad)
	C Interface for median filter. More...
AFAPI af_err	af_set_fft_plan_cache_size (size_t cache_size)
	C Interface for setting plan cache size. More...