A hierarchical modular architecture for musical instrument classification

Authors:
Anna Maria Fanelli;Laura Caponetti;Giovanna Castellano;Cosimo Alessandro Buscicchio
Affiliations:
Universitàdegli Studi di Bari - Dipartimento di Informatica, Bari, Italy (Corresponding author. E-mail: fanelli@di.uniba.it);Universitàdegli Studi di Bari - Dipartimento di Informatica, Bari, Italy;Universitàdegli Studi di Bari - Dipartimento di Informatica, Bari, Italy;Universitàdegli Studi di Bari - Dipartimento di Informatica, Bari, Italy
Venue:
International Journal of Knowledge-based and Intelligent Engineering Systems
Year:
2005

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Abstract

This paper proposes a classification system based on a hierarchical modular architecture. Such an architecture is designed to address high-dimensional classification problems, that are characterized by a high number of input features and a large number of classes. The hierarchical approach decomposes a "many-class" problem into a hierarchy of "few-class" sub-problems, while the {modular approach} allows efficient treatment of high-dimensional input spaces. Specifically, each classifier in the hierarchy has a modular structure. Each module is implemented as a neuro-fuzzy network that operates on a distinct region of the input space. As an application, the proposed architecture is employed to solve the problem of classifying musical instruments from the sound they produce.