Reduction of block-transform image coding artifacts by using local statistics of transform coefficients.
Steven Sheung-On ChoyYuk-Hee ChanWan-Chi SiuPublished in: IEEE Signal Process. Lett. (1997)
Keyphrases
- transform coefficients
- transform domain
- reconstructed image
- coding scheme
- subband
- entropy coding
- transform coding
- image coder
- spatial domain
- image reconstruction
- energy compaction
- high quality
- image compression
- dct domain
- bit rate
- wavelet transform
- preprocessing
- reconstruction error
- low bit rate
- image coding
- filter bank
- high frequency
- post processing
- image quality
- object recognition