Improved POCS-Based Deblocking Technique Using Wavelet Transform in Block Coded Image.
Goo-Rak KwonHyo-Kak KimChun-Soo ParkYoon KimSung-Jea KoPublished in: PCM (2006)
Keyphrases
- wavelet transform
- multiscale
- coded images
- image data
- image features
- input image
- blocking artifacts
- low frequency
- high frequency
- image blocks
- wavelet decomposition
- quadtree decomposition
- post processing
- image representation
- shift invariance
- image retrieval
- compressed images
- image segmentation
- residual image
- visual quality
- image compression
- subband
- transform coefficients
- fractal image coding
- test images
- error concealment
- multiresolution
- pixel values
- jpeg images
- computational complexity
- multiresolution representation
- block boundaries
- wavelet coefficients