Forensic watermarking and bit-rate conversion of partially encrypted AAC bitstreams.
Aweke N. LemmaStefan KatzenbeisserMehmet Utku CelikSerap KirbizPublished in: Security, Forensics, Steganography, and Watermarking of Multimedia Contents (2008)
Keyphrases
- bit rate
- bitstream
- rate distortion
- visual quality
- video coding
- video quality
- macroblock
- lossy compression
- image quality
- low bit rate
- subband
- inter frame
- computational complexity
- coding efficiency
- motion vectors
- reconstructed image
- coding method
- picture quality
- rate control
- entropy coding
- compression efficiency
- digital watermarking
- bit allocation
- scalable video coding
- watermarking scheme
- digital images
- copyright protection
- prediction error
- compressed video
- compression algorithm
- watermarking algorithm