Recoverable Video Watermark in DCT Domain.
Mingzhi ChengMinchao XiKaiguo YuanChunhua WuMin LeiPublished in: J. Comput. (2013)
Keyphrases
- dct domain
- video watermarking
- digital video
- video transcoding
- watermark detection
- spatial domain
- dct coefficients
- transform domain
- pixel domain
- compressed domain
- post processing
- spread spectrum
- video data
- video content
- watermarking scheme
- jpeg images
- jpeg compressed images
- compressed images
- discrete cosine transform
- human visual system
- watermarking algorithm
- multimedia
- image blocks
- quantization step
- video frames
- video analysis
- image watermarking
- low frequency
- video streams
- wavelet transform
- wavelet domain
- motion estimation
- bitstream
- multiresolution
- video sequences