Uses of Class
org.apache.lucene.util.quantization.ScalarQuantizer

Packages that use ScalarQuantizer

Package	Description
org.apache.lucene.codecs.hnsw	HNSW vector helper classes.
org.apache.lucene.codecs.lucene104	Lucene 10.4 file format.
org.apache.lucene.codecs.lucene99	Lucene 9.9 file format.
org.apache.lucene.util.quantization	Provides quantization methods for scaling vector values to smaller data types and possibly fewer dimensions

Uses of ScalarQuantizer in org.apache.lucene.codecs.hnsw

Methods in org.apache.lucene.codecs.hnsw with parameters of type ScalarQuantizer

Modifier and Type	Method	Description
static float	ScalarQuantizedVectorScorer.quantizeQuery(float[] query, byte[] quantizedQuery, VectorSimilarityFunction similarityFunction, ScalarQuantizer scalarQuantizer)

Constructors in org.apache.lucene.codecs.hnsw with parameters of type ScalarQuantizer

Modifier	Constructor	Description
	ScalarQuantizedRandomVectorScorerSupplier(VectorSimilarityFunction similarityFunction, ScalarQuantizer scalarQuantizer, QuantizedByteVectorValues values)

Uses of ScalarQuantizer in org.apache.lucene.codecs.lucene104

Methods in org.apache.lucene.codecs.lucene104 that return ScalarQuantizer

Modifier and Type	Method	Description
ScalarQuantizer	Lucene104ScalarQuantizedVectorsReader.getQuantizationState(String fieldName)

Uses of ScalarQuantizer in org.apache.lucene.codecs.lucene99

Methods in org.apache.lucene.codecs.lucene99 that return ScalarQuantizer

Modifier and Type	Method	Description
ScalarQuantizer	Lucene99HnswVectorsReader.getQuantizationState(String field)

Uses of ScalarQuantizer in org.apache.lucene.util.quantization

Methods in org.apache.lucene.util.quantization that return ScalarQuantizer

Modifier and Type	Method	Description
static ScalarQuantizer	ScalarQuantizer.fromVectors(FloatVectorValues floatVectorValues, float confidenceInterval, int totalVectorCount, byte bits)	This will read the float vector values and calculate the quantiles.
static ScalarQuantizer	ScalarQuantizer.fromVectorsAutoInterval(FloatVectorValues floatVectorValues, VectorSimilarityFunction function, int totalVectorCount, byte bits)
ScalarQuantizer	QuantizedVectorsReader.getQuantizationState(String fieldName)
ScalarQuantizer	QuantizedByteVectorValues.getScalarQuantizer()

Methods in org.apache.lucene.util.quantization with parameters of type ScalarQuantizer

Modifier and Type	Method	Description
float	ScalarQuantizer.recalculateCorrectiveOffset(byte[] quantizedVector, ScalarQuantizer oldQuantizer, VectorSimilarityFunction similarityFunction)	Recalculate the old score corrective value given new current quantiles