Holds the per-frame precomputed quantities x(t), x_{i}(t), z_{i}(t), and n_{i}(t) (cf. More...

#include <am-sgmm2.h>

Collaboration diagram for Sgmm2PerFrameDerivedVars:

[legend]

Public Member Functions
void	Resize (int32 ngauss, int32 feat_dim, int32 phn_dim)

Public Attributes
std::vector< int32 >	gselect

Vector< BaseFloat >	xt
	x'(t), FMLLR-adapted, dim = [D], eq.(33) More...

Matrix< BaseFloat >	xti
	x_{i}(t) = x'(t) - o_i(s): dim = [I][D], eq.(34) More...

Matrix< BaseFloat >	zti
	z_{i}(t), dim = [I][S], eq.(35) More...

Vector< BaseFloat >	nti
	n_{i}(t), dim = [I], eq. More...

Detailed Description

Holds the per-frame precomputed quantities x(t), x_{i}(t), z_{i}(t), and n_{i}(t) (cf.

Eq. (33)-(36)) for the SGMM, as well as the cached Gaussian selection records.

Definition at line 142 of file am-sgmm2.h.

Member Function Documentation

◆ Resize()

void Resize	(	int32	ngauss,
		int32	feat_dim,
		int32	phn_dim
	)

inline

Definition at line 151 of file am-sgmm2.h.

References VectorBase< Real >::Dim(), MatrixBase< Real >::NumCols(), MatrixBase< Real >::NumRows(), Vector< Real >::Resize(), and Matrix< Real >::Resize().

Referenced by AmSgmm2::ComputePerFrameVars(), TestSgmm2AccsIO(), TestSgmm2FmllrAccsIO(), TestSgmm2FmllrSubspace(), TestSgmm2Init(), and TestSgmm2IO().

                                                            { // resizes but does
     // not necessarily zero things.
     if (xt.Dim() != feat_dim) xt.Resize(feat_dim);
     if (xti.NumRows() != ngauss || xti.NumCols() != feat_dim)
       xti.Resize(ngauss, feat_dim);
     if (zti.NumRows() != ngauss || zti.NumCols() != phn_dim)
       zti.Resize(ngauss, phn_dim);
     if (nti.Dim() != ngauss)
       nti.Resize(ngauss);
   }