diff options
Diffstat (limited to 'source/use_case/kws_asr/src/Wav2LetterPreprocess.cc')
| -rw-r--r-- | source/use_case/kws_asr/src/Wav2LetterPreprocess.cc | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/source/use_case/kws_asr/src/Wav2LetterPreprocess.cc b/source/use_case/kws_asr/src/Wav2LetterPreprocess.cc index 613ddb0..8251396 100644 --- a/source/use_case/kws_asr/src/Wav2LetterPreprocess.cc +++ b/source/use_case/kws_asr/src/Wav2LetterPreprocess.cc @@ -88,12 +88,12 @@ namespace asr { } /* Compute first and second order deltas from MFCCs. */ - this->_ComputeDeltas(this->_m_mfccBuf, - this->_m_delta1Buf, - this->_m_delta2Buf); + this->ComputeDeltas(this->_m_mfccBuf, + this->_m_delta1Buf, + this->_m_delta2Buf); /* Normalise. */ - this->_Normalise(); + this->Normalise(); /* Quantise. */ QuantParams quantParams = GetTensorQuantParams(tensor); @@ -105,11 +105,11 @@ namespace asr { switch(tensor->type) { case kTfLiteUInt8: - return this->_Quantise<uint8_t>( + return this->Quantise<uint8_t>( tflite::GetTensorData<uint8_t>(tensor), tensor->bytes, quantParams.scale, quantParams.offset); case kTfLiteInt8: - return this->_Quantise<int8_t>( + return this->Quantise<int8_t>( tflite::GetTensorData<int8_t>(tensor), tensor->bytes, quantParams.scale, quantParams.offset); default: @@ -120,9 +120,9 @@ namespace asr { return false; } - bool Preprocess::_ComputeDeltas(Array2d<float>& mfcc, - Array2d<float>& delta1, - Array2d<float>& delta2) + bool Preprocess::ComputeDeltas(Array2d<float>& mfcc, + Array2d<float>& delta1, + Array2d<float>& delta2) { const std::vector <float> delta1Coeffs = {6.66666667e-02, 5.00000000e-02, 3.33333333e-02, @@ -175,20 +175,20 @@ namespace asr { return true; } - float Preprocess::_GetMean(Array2d<float>& vec) + float Preprocess::GetMean(Array2d<float>& vec) { return math::MathUtils::MeanF32(vec.begin(), vec.totalSize()); } - float Preprocess::_GetStdDev(Array2d<float>& vec, const float mean) + float Preprocess::GetStdDev(Array2d<float>& vec, const float mean) { return math::MathUtils::StdDevF32(vec.begin(), vec.totalSize(), mean); } - void Preprocess::_NormaliseVec(Array2d<float>& vec) + void Preprocess::NormaliseVec(Array2d<float>& vec) { - auto mean = Preprocess::_GetMean(vec); - auto stddev = Preprocess::_GetStdDev(vec, mean); + auto mean = Preprocess::GetMean(vec); + auto stddev = Preprocess::GetStdDev(vec, mean); debug("Mean: %f, Stddev: %f\n", mean, stddev); if (stddev == 0) { @@ -204,14 +204,14 @@ namespace asr { } } - void Preprocess::_Normalise() + void Preprocess::Normalise() { - Preprocess::_NormaliseVec(this->_m_mfccBuf); - Preprocess::_NormaliseVec(this->_m_delta1Buf); - Preprocess::_NormaliseVec(this->_m_delta2Buf); + Preprocess::NormaliseVec(this->_m_mfccBuf); + Preprocess::NormaliseVec(this->_m_delta1Buf); + Preprocess::NormaliseVec(this->_m_delta2Buf); } - float Preprocess::_GetQuantElem( + float Preprocess::GetQuantElem( const float elem, const float quantScale, const int quantOffset, |