This book constitutes the proceedings of the 10th Pacific Rim Conference on Multimedia, held in Bangkok, Thailand during December 15-18, 2009.

Keynote Paper.- Special Session 1: Exploring Large-Scale Videos: Automatic Content Genre Classification, Repair, Enhancement, and Authentication.- Session 1: Human Behavior Classification and Recognition.- Session 2: Art.- Special Session 2: Image and Video Coding towards Perceptual Quality Improvement.- Session 3: Image Annotation, Retrieval, and Classification.- Session 4: Application.- Session 5: Object Detection and Tracking.- Session 6: Networking Technologies.- Session 7: Audio Processing and Applications.- Special Session 3: 3DTV and Multi-view Video.- Session 8: Image Watermarking.- Session 9: Multimedia Document Search and Retrieval.- Special Session 4: Intelligent Multimedia Security and Forensics (I).- Session 10: Multimedia Content Management.- Session 11: Image Analysis and Matching.- Special Session 4: Intelligent Multimedia Security and Forensics (II).- Poster Session 1: Multimedia Analysis and Retrieval.- Poster Session 2: Advanced Image and Video Processing Techniques.- Session 12: Coding.- Poster Session 3: Multimedia Systems and Applications.- Poster Session 4: Multimedia Communication and Networking.- Session 13: Advanced Image Processing Techniques.- Poster Session 5: Multimedia Compression and Optimization.- Poster Session 6: Multimedia Security Rights and Management.