This book constitutes the refereed proceedings of the Second IEEE Pacific-Rim Conference on Multimedia (IEEE-PCM 2001), held in Beijing, China in October e2001. The revised 104 regular and 53 poster papers presented were carefully reviewed and selected from a total of 244 papers. The papers are organized in sections on wearable computing, retrieval techniques, coding techniques, systems, visions and graphics, face, multimedia retrieval, multimedia education, multimedia presentation and databases, data hiding, image and video coding, retrieval, speech and sound, networking, spoken dialog, multimedia security, multimedia networking, learning and recognition, and watermarking.