This book constitutes the refereed proceedings of the Third IEEE Pacific Rim Conference on Multimedia, PCM 2002, held in Hsinchu, Taiwan in December 2002. The 154 revised full papers presented were carefully reviewed and selected from 224 submissions. The papers are organized in topical sections on mobile multimedia, digitial watermarking and data hiding, motion analysis, mulitmedia retrieval techniques, image processing, mulitmedia security, image coding, mulitmedia learning, audio signal processing, wireless multimedia streaming, multimedia systems in the Internet, distance education and multimedia, Internet security, computer graphics and virtual reality, object tracking, face analysis, and MPEG-4.

Keywords: Multimedia, Multimedia Systems, Video, Audio, Image Processing, Graphics, Virtual Reality, Web-Based Multimedia Services, Internet, Multimedia Networking, Data Compression, Multimedia Retrieval