A DCT-Domain System for Hiding Fractal Compressed Images.
Chin-Chen ChangChi-Lung ChiangJu Yuan HsiaoPublished in: AINA (2005)
Keyphrases
- compressed images
- dct domain
- image compression
- discrete cosine transform
- transform domain
- spatial domain
- post processing
- dct coefficients
- compressed domain
- digital video
- image resizing
- human visual system
- jpeg compressed images
- blocking effect
- blocking artifacts
- jpeg images
- image blocks
- low frequency
- multiscale
- reference frame
- compression ratio
- multiresolution
- preprocessing
- high quality
- wavelet domain
- compression algorithm
- visual quality
- high frequency
- frequency domain
- wavelet transform
- feature vectors