Image deblocking using dual adaptive FIR Wiener filter in the DCT transform domain.
Renqi ZhangWanli OuyangWai-kuen ChamPublished in: ICASSP (2009)
Keyphrases
- transform domain
- discrete cosine
- wiener filter
- discrete cosine transform
- spatial domain
- transform coefficients
- image blocks
- additive noise
- blocking artifacts
- dct domain
- blurred images
- frequency domain
- discrete fourier transform
- multiscale
- noise reduction
- image restoration
- jpeg images
- dct coefficients
- signal to noise ratio
- transform coding
- input image
- image data
- filter bank
- denoising
- motion estimation
- high resolution
- compressed images
- coding scheme
- image compression
- multi frame
- macroblock
- linear combination
- single image
- point spread function
- computational complexity
- image segmentation
- test images