Watermarking of Compressed Video based on DCT Coefficients and Watermark Preprocessing.
Samira BouchamaLatifa HamamiHassina AlianePublished in: IMAGAPP/IVAPP (2011)
Keyphrases
- dct coefficients
- preprocessing
- compressed domain
- watermarking algorithm
- watermarking technique
- watermarking method
- dct domain
- jpeg compression
- watermark detection
- watermark embedding
- block dct
- image watermarking
- digital watermarking
- watermarking scheme
- jpeg compressed images
- copyright protection
- motion vectors
- host signal
- post processing
- bitstream
- signal processing
- jpeg images
- spread spectrum
- video analysis
- image authentication
- wavelet domain
- feature extraction
- digital watermark
- audio signal
- discrete cosine transform
- compressed images
- image blocks
- lossy compression
- discrete cosine transformation
- inter frame
- coding scheme
- transform domain
- feature vectors
- information hiding
- watermarked image
- video sequences