Adaptive postfiltering of transform coefficients for the reduction of blocking artifacts.
Tao ChenHong Ren WuBin QiuPublished in: IEEE Trans. Circuits Syst. Video Technol. (2001)
Keyphrases
- blocking artifacts
- reconstructed image
- transform coefficients
- transform domain
- image reconstruction
- image quality
- discrete cosine transform
- energy compaction
- post processing
- dct domain
- higher quality
- image compression
- visual quality
- dct coefficients
- bit rate
- compressed images
- spatial resolution
- high frequency
- subband
- compression ratio
- low bit rate
- reconstruction error
- spatial domain
- block matching
- image processing
- test images
- peak signal to noise ratio
- bitstream
- bit plane
- image coder
- multiresolution
- rate distortion