Template Class ProductQuantization

• Defined in File product-quantization.h

Class Documentation

template<int kNumComponents, int kNumDimPerComp, int kNumCenters, typename IndexType>
class product_quantization::ProductQuantization

Public Types

typedef Matrix<float, kNumComponents * kNumDimPerComp, 1> VectorType

typedef Matrix<float, kNumComponents * kNumDimPerComp, Dynamic> VectorMatrixType

typedef Matrix<float, kNumDimPerComp, kNumComponents * kNumCenters> ClusterType

typedef Matrix<IndexType, kNumComponents, 1> QuantizedVectorType

typedef Matrix<IndexType, kNumComponents, Dynamic> QuantizedVectorMatrixType

Public Functions

inline ProductQuantization()

inline explicit ProductQuantization(const ClusterType &cluster_centers)

inline void SetClusterCenters(const ClusterType &cluster_centers)

inline void Quantize(const VectorMatrixType &vectors, QuantizedVectorMatrixType *quantized_vectors) const

inline void Quantize(const VectorType &vector, QuantizedVectorType *quantized_vector) const

inline void FillLUT(const VectorType &vector, Matrix<float, kNumComponents, kNumCenters> *lut) const

inline void ComputeDistances(const Matrix<float, kNumComponents, kNumCenters> &lut, const QuantizedVectorMatrixType &quantized_vectors, Matrix<float, 1, Dynamic> *squared_distances) const

inline float ComputeDistance(const Matrix<float, kNumComponents, kNumCenters> &lut, const QuantizedVectorType &quantized_vectors) const

inline void ComputeAndAddDistances(const Matrix<float, kNumComponents, kNumCenters> &lut, const QuantizedVectorMatrixType &quantized_vectors, Matrix<float, 1, Dynamic> *squared_distances) const