Toward optimal embedding capacity for transform domain steganography: a quad-tree adaptive-region approach.
Tamer RabieIbrahim KamelPublished in: Multim. Tools Appl. (2017)
Keyphrases
- transform domain
- spatial domain
- data hiding
- quadtree
- spread spectrum
- cover image
- secret data
- frequency domain
- dct domain
- data embedding
- wavelet domain
- macroblock
- reversible data hiding
- watermark embedding
- high capacity
- discrete cosine transform
- dct coefficients
- information hiding
- multiresolution
- jpeg images
- image representation
- computer vision
- watermarking technique
- discrete wavelet transform
- inter frame
- visual quality
- tree structure
- image quality