A Cauchy distribution based video watermark detection for H.264/AVC in DCT domain.
Lina ChenGaobo YangAnthony Tung Shuen HoPublished in: ISCAS (2011)
Keyphrases
- dct domain
- video transcoding
- watermark detection
- video watermarking
- compressed domain
- digital video
- spatial domain
- post processing
- human visual system
- transform domain
- video analysis
- dct coefficients
- compressed images
- discrete cosine transform
- motion vectors
- low frequency
- image quality
- video streams
- bitstream
- computational complexity
- reference frame
- spread spectrum
- jpeg images
- digital watermarking
- jpeg compression
- image processing
- frequency domain
- wavelet transform
- video sequences