Wavelet Image Compression Using Universal Coefficients Matrix Detail Estimation.
Leonardo E. Urbano SánchezHéctor M. Pérez MeanaMariko Nakano-MiyatakePublished in: CONIELECOMP (2004)
Keyphrases
- wavelet coefficients
- wavelet transform
- multiresolution
- haar wavelet
- wavelet domain
- estimation algorithm
- hard thresholding
- denoising
- singular values
- wavelet packet
- wavelet decomposition
- density estimation
- neural network
- generalized gaussian density
- accurate estimation
- matching pursuit
- kullback leibler distance
- binary matrix
- symmetric matrix
- matrix factorization
- reconstruction error
- singular value decomposition
- covariance matrix
- image denoising
- image coding
- basis functions
- frequency domain
- subband
- parameter estimation
- feature vectors
- image sequences