A deblocking technique for block-transform compressed image using wavelet transform modulus maxima.
Tai-Chiu HsungDaniel Pak-Kong LunWan-Chi SiuPublished in: IEEE Trans. Image Process. (1998)
Keyphrases
- modulus maxima
- compressed images
- wavelet transform
- image compression
- blocking effect
- blocking artifacts
- transform coefficients
- reconstructed image
- subband
- block boundaries
- high frequency
- visual quality
- jpeg images
- discrete cosine transform
- image coding
- dct coefficients
- compression ratio
- multiscale
- multiresolution
- coded images
- wavelet coefficients
- dct domain
- low frequency
- wavelet analysis
- low bit rate
- image quality
- image reconstruction
- wavelet domain
- bitstream
- post processing
- compression algorithm
- image blocks
- bit rate
- compressed domain
- feature extraction
- lossy compression
- higher quality
- filter bank
- quantization noise
- human visual system
- signal processing
- block matching
- frequency domain
- image processing
- coding method
- spatial resolution