Keynote II: Semantic Understanding in Digital Video and Audio

Michael Christel, Ph.D.
Senior Systems Scientist
Computer Science Dept., Wean 5212
Carnegie Mellon University
5000 Forbes Ave.
Pittsburgh, PA 15213

Abstract: Michael Christel is one of the principal investigators on Carnegie Mellon University's Informedia Digital Video Library Project. Currently, Informedia contains over 1 Terabyte of automatically analyzed commercial, broadcast video. This talk will describe the technologies used in Informedia for extracting semantic information from video and audio. In particular, how Informedia is applying integrated speech, language, and image understanding techniques to create a full content, searchable video library. A new project, Informedia Experience On Demand is extending these techniques to unstructured, unedited video from sources such as surveillance cameras and personal camcorders. Informedia and an early prototype of Experience On Demand will both be demonstrated.


About the Speakker:

Mike Christel (URL is a Senior Systems Scientist in the Computer Science Department at Carnegie Mellon University (CMU). He has led the interface development and evaluation efforts for the Informedia Digital Library Project (URL and related efforts since 1994. Prior to that Christel worked at the Software Engineering Institute at CMU, integrating artificial intelligence techniques with digital video technology for software engineering education and training, and investigating the use of multimedia systems for requirements elicitation.

Christel received his Ph.D. from the Georgia Institute of Technology in the area of human computer interaction, focusing on practical implications for the development of multimedia interfaces for educational applications. His research interests include digital video libraries, information visualization, and computer support for situated learning.