Keyphrases
- block dct
- discrete cosine transform
- data hiding
- compressed domain
- dct domain
- blocking artifacts
- spatial domain
- transform domain
- dct coefficients
- image resizing
- post processing
- image compression
- compressed images
- bit plane
- wavelet domain
- bitstream
- high frequency
- frequency domain
- image quality
- wavelet transform
- motion estimation
- multiresolution
- error correction
- multiscale
- super resolution
- preprocessing