Reduction of quantization error with adaptive Wiener filter in low bit rate coding.
Ching-Chih Kuo Wen-ThongPublished in: EUSIPCO (2002)
Keyphrases
- quantization error
- wiener filter
- additive noise
- low bit rate coding
- image restoration
- denoising
- noisy images
- spatial domain
- noise reduction
- signal to noise ratio
- point spread function
- maximum likelihood
- error diffusion
- random variables
- high frequency
- reconstruction error
- probability distribution
- computer vision
- gray scale
- single image
- high quality
- feature extraction
- face recognition