The Essential Guide to Video Processing

CHAPTER 21 Audiovisual Speech Processing

Petar S. Aleksic¹, Gerasminos Potamianos², Aggelos K. Katsaggelos³,

¹ Google Inc.

² IBM T.J. Watson Research Center

³ Northwestern University

21.1 INTRODUCTION

With the increasing use of computers in everyday life, the challenging goal of achieving natural, pervasive, and ubiquitous human–computer interaction (HCI) has become very important, affecting, for example, productivity, customer satisfaction, and accessibility, among others. In contrast to the current prevailing HCI paradigm that mostly relies on locally tied, single-modality and computer-centric input/output, future HCI scenarios are envisioned where the computer fades into the background, accepting and responding to user requests in a human-like ...