FaceFeatureExtractor class

Extracts a normalized feature vector from ML Kit face contour data.

Contour points are normalized to the face bounding box (0.0–1.0 range) so features are scale- and position-invariant.

Constructors

FaceFeatureExtractor()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

averageFeatures(List<List<double>> vectors) → List<double>

Average multiple feature vectors element-wise.

cosineSimilarity(List<double> a, List<double> b) → double

Compute cosine similarity between two feature vectors.

extractFeatures(Face face) → List<double>?

Extract a normalized feature vector from a Face.