Dr. Tapio Seppänen works as a professor in the Computer Engineering Laboratory of the University of Oulu, Finland. He graduated as a MSc(EE) in 1985 and as a PhD in computer engineering in 1990, both in the University of Oulu. His research interests include multimedia signal processing, content-based information retrieval, digital rights management technology, speech signal processing, pattern recognition, context-aware intelligent systems, and medical data processing.