Pointwise shape-adaptive DCT for high-quality deblocking of compressed color images.
Alessandro FoiVladimir KatkovnikKaren O. EgiazarianPublished in: EUSIPCO (2006)
Keyphrases
- pointwise
- color images
- high quality
- discrete cosine transform
- weighted sum
- blocking artifacts
- higher quality
- compressed images
- coded images
- image compression
- compressed domain
- confidence intervals
- nonparametric regression
- polynomial approximation
- data structure
- image segmentation
- transform domain
- spatial domain
- visual quality
- dct coefficients
- linear combination
- information retrieval systems
- jpeg images
- block dct
- image processing