Robust and blind watermarking technique in DCT domain using inter-block coefficient differencing.
Shabir A. ParahJavaid A. SheikhNazir A. LoanGhulam Mohiuddin BhatPublished in: Digit. Signal Process. (2016)
Keyphrases
- dct domain
- watermarking technique
- watermark detection
- dct coefficients
- compressed domain
- watermarking algorithm
- video watermarking
- watermark extraction
- image blocks
- image watermarking
- data hiding
- spatial domain
- digital images
- copyright protection
- discrete cosine transform
- jpeg images
- post processing
- digital watermarking
- transform domain
- digital video
- watermarking scheme
- jpeg compression
- quantization step
- bitstream
- inter frame
- spread spectrum
- human visual system
- low frequency
- motion estimation
- motion vectors
- denoising
- multiscale
- video analysis
- feature vectors
- watermark embedding
- image compression
- image quality
- natural images
- lossy compression
- test images
- wavelet domain