On the POCS-based postprocessing technique to reduce the blocking artifacts in transform coded images.
Hoon PaekRin-Chul KimSang-Uk LeePublished in: IEEE Trans. Circuits Syst. Video Technol. (1998)
Keyphrases
- coded images
- blocking artifacts
- post processing
- projections onto convex sets
- quantization constraint set
- image quality
- discrete cosine transform
- low bit rate
- compressed images
- reconstructed image
- higher quality
- high frequency
- preprocessing
- transform coding
- dct domain
- dct coefficients
- transform coefficients
- visual quality
- image compression
- error concealment
- block matching
- bit rate
- image quality assessment
- pixel values
- image processing
- spatial domain
- human visual system
- image reconstruction
- super resolution
- image data
- multiresolution
- multiscale
- high quality