Blocking-artifact reduction in block-coded images using wavelet-based subband decomposition.
Hyuk ChoiTaejeong KimPublished in: IEEE Trans. Circuits Syst. Video Technol. (2000)
Keyphrases
- coded images
- subband decomposition
- image compression
- compressed images
- low bit rate
- discrete cosine transform
- visual quality
- subband
- high frequency
- transform coding
- bit rate
- dct coefficients
- wavelet transform
- post processing
- reconstructed image
- error concealment
- bit allocation
- compression algorithm
- low frequency
- compression ratio
- multiresolution
- image processing
- filter bank
- dct domain
- image blocks
- wavelet coefficients
- bitstream
- image coding
- wavelet decomposition
- rate distortion
- high resolution
- video coding
- rate control
- coding efficiency
- motion estimation
- video quality
- locally adaptive
- preprocessing
- multiscale
- image sequences