AIExplainer

featurization

The process of extracting features from an input source, such as a document or video, and mapping those features into a feature vector.

The process of extracting features from an input source, such as a document or video, and mapping those features into a feature vector. Some ML experts use featurization as a synonym for feature engineering or feature extraction.

Practitioners refer to featurization when building, training, or evaluating machine learning systems. It appears in research papers, product documentation, and technical discussions about AI capabilities and limitations.