This chapter introduces the watermarking technologies of the MPEG standards and gives information about a framework of watermarking technology for intellectual property protection (MPEG IPMP technology). An overview of MPEG-2/4, IPMP standard of MPEG-2/4, and watermarking technologies of MPEG-2/4 IPMP is described, and the concept of IPMP system and required normative technical items is summarized. MPEG-21 and its Part 11, PATs (Persistent Association Technologies) methodologies, PATs requirements, and evaluation methods of PATs are described and future trends of the MPEG-related watermarking technologies are discussed, including technical requirements.
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