String& Thread::NewString(const Common::String& string) {
auto& chars = AllocVector(*Ty_CharVector, int(string.length()));
auto& strobj = *new(Alloc(sizeof(String))) String(chars);
::CopyMemory(
const_cast<char16*>(strobj.elements()),
string.value(),
string.length() * sizeof(char16));
return strobj;
}
//信道自适应，特征域
bool GMMMapScore::LFACompensateFeat(float * &p_pfSrcDesFeatBuf,int p_nFrmNum,
GMMStatistic &p_Statistic,
float *p_pfProbBuf,float **p_ppfProbBufBuf,float *p_pfIPPBuf_VecSize4)
{
if(p_nFrmNum<=0||p_pfSrcDesFeatBuf==NULL)
{
return false;
}
// 分配空间
FMatrix AMatrix; // m_nRankNum*m_nRankNum
FVector BVector,xVector; // m_nRankNum*1
FVector UxVector;
if (!AllocMatrix(AMatrix,m_nRankNum,m_nRankNum))
return false;
if (!AllocVector(xVector,m_nRankNum))
{
FreeMatrix(AMatrix);
return false;
}
if (!AllocVector(BVector,m_nRankNum))
{
FreeMatrix(AMatrix);
FreeVector(xVector);
return false;
}
if (!AllocVector(UxVector,m_nVecSize))
{
FreeMatrix(AMatrix);
FreeVector(xVector);
FreeVector(BVector);
return false;
}
ZeroMatrix(AMatrix);
ZeroVector(BVector);
for (int nn=0;nn<m_nRankNum;nn++) // 初始化为I矩阵
AMatrix.pBuf[nn*m_nRankNum+nn] = m_D.pBuf[nn];
ResetStatisticBuf(p_Statistic);
printf("Prob before LFA : ");
// 计算统计量
if (!ComputeStatistic_LFA(p_pfSrcDesFeatBuf,p_nFrmNum,p_Statistic,p_pfProbBuf,p_ppfProbBufBuf,p_pfIPPBuf_VecSize4,AMatrix,BVector))
{
FreeMatrix(AMatrix);
FreeVector(BVector);
FreeVector(xVector);
FreeVector(UxVector);
return false;
}
// 计算信道因子
if (!Compute_X(AMatrix,BVector,xVector))
{
FreeMatrix(AMatrix);
FreeVector(BVector);
FreeVector(xVector);
FreeVector(UxVector);
return false;
}
// 特征转换
for(int m=0;m<m_nMixNum;m++)
{
ZeroVector(UxVector);
for(int d=0;d<m_nVecSize;d++)
{
for(int r=0;r<m_nRankNum;r++)
UxVector.pBuf[d] += m_V.pBlockBuf[m][d*m_nRankNum+r]*xVector.pBuf[r];
}
for(int t=0;t<p_nFrmNum;t++)
{
if (p_ppfProbBufBuf[m][t]<1.0e-5) continue;
for(int d=0;d<m_nVecSize;d++)
{
p_pfSrcDesFeatBuf[t*m_nVecSizeStore+d] -= p_ppfProbBufBuf[m][t]*UxVector.pBuf[d];
}
}
}
printf("Prob after LFA : ");
//xxiao add for debug
// ComputeStatistic_LFA(p_pfSrcDesFeatBuf,p_nFrmNum,p_Statistic,p_pfProbBuf,p_ppfProbBufBuf,p_pfIPPBuf_VecSize4,AMatrix,BVector);
// 释放空间
FreeMatrix(AMatrix);
FreeVector(BVector);
FreeVector(xVector);
FreeVector(UxVector);
return true;
}
