Steganographic Scheme for VQ Compressed Images Using Progressive Exponential Clustering.
Yue LiChang-Tsun LiPublished in: AVSS (2006)
Keyphrases
- compressed images
- dct domain
- jpeg images
- image compression
- compression rate
- data embedding
- index table
- discrete cosine transform
- secret data
- visual quality
- vector quantization
- blocking artifacts
- compression ratio
- reconstructed image
- compressed domain
- bitstream
- digital images
- spatial domain
- post processing
- transform coding
- digital video
- dct coefficients
- multiresolution
- peak signal to noise ratio
- high quality
- transform domain