Digital watermarking for compressed videos

• 主要作者: Sugiri Pranata.
• 其他作者: Chua, Hock Chuan
• 格式: Theses and Dissertations
• 出版: 2008
• 主題: DRNTU::Engineering::Electrical and electronic engineering::Computer hardware, software and systems
• 在線閱讀: http://hdl.handle.net/10356/3296

In this thesis, a fast and real-time watermarking system for MPEG videos in the quantized DCT (QDCT) domain based on spread spectrum technique is designed and developed to alleviate several drawbacks suffered by other watermarking systems. A compressed-domain edge detection mechanism is incorporated...