Construction of parameterizations of masks for tight wavelet frames with two symmetric/antisymmetric generators and applications in image compression and denoising.
Xiaoyuan YangYan ShiWanlu ZhouPublished in: J. Comput. Appl. Math. (2011)
Keyphrases
- denoising
- image compression
- image processing
- vector quantization
- image denoising
- wavelet transform
- noisy images
- edge detection
- subband
- upper bound
- total variation
- natural images
- lower bound
- wavelet domain
- denoising algorithm
- construction process
- wavelet packet
- low bit rate
- noise removal
- compression scheme
- worst case
- compression algorithm
- discrete cosine transform
- compressed images
- compression ratio
- frequency domain
- entropy coding
- wavelet denoising
- lossless compression
- gaussian noise
- reconstructed image
- least squares
- video sequences