Multimedia Applications - WMM53C2

Goal(s)

To present the basics in compression and media security technologies such as watermarking, media content integrity
verification, conditional access and scrambling.
To establish a link between common requirements and state-of-the-art techniques. To overview media security standards. The course
will be illustrated focusing on images and/or video content.

Content(s)

Compression: decorrelation and energy compaction, popular transforms (KL, DCT, DWT), quantization, source coding and bit
allocation. Application to JPEG, JPEG2000 and MPEG2/MPEG4.

• Watermarking: a communication problem, robustness and capacity issues, popular coding techniques (SS-based, QIM-based).
  Resynchronization issues and application to still images. Introduction to data-hiding security.
• Media security tools: watermarking evaluation, multimedia content integrity verification solutions, visual password, scrambling…
• Media security standards: Secure JPEG 2000, MPEG-4 Intellectual Property Management and Protection, MPEG-21, DMP, SDMI.

Basic knowledge in communications, statistics and signal processing if possible. C programming.