Syntactic pattern recognition

Syntactic pattern recognition or structural pattern recognition is a form of pattern recognition, where items are presented by hierarchical system of patterns which can take into account more complex interrelationships between features than simple numerical feature vectors used in statistical classification.

One such presentation is strings of a formal language. In this case items are classified to certain class if they can be parsed by corresponding grammar.

Structural methods provide description of items, which may useful on its own right.