Reduction of blocking artifact in block-coded images using wavelet transform.
Nam Chul KimIck Hoon JangDae Ho KimWon Hak HongPublished in: IEEE Trans. Circuits Syst. Video Technol. (1998)
Keyphrases
- coded images
- wavelet transform
- image compression
- low bit rate
- visual quality
- high frequency
- post processing
- error concealment
- blocking artifacts
- transform coding
- image coding
- discrete cosine transform
- multiresolution
- multiscale
- low frequency
- wavelet coefficients
- wavelet domain
- wavelet filters
- subband
- dct coefficients
- vector quantization
- image quality
- compressed images
- feature extraction
- bit rate
- reconstructed image
- discrete wavelet transform
- dct domain
- compression ratio
- bit allocation
- compression algorithm
- image processing