Image and Audio-Speech Denoising Based on Higher-Order Statistical Modeling of Wavelet Coefficients and Local Variance Estimation.
Pichid KittisuwanThitiporn ChanwimaluangSanparith MarukatatWidhyakorn AsdornwisedPublished in: Int. J. Wavelets Multiresolution Inf. Process. (2010)
Keyphrases
- denoising algorithm
- denoising
- wavelet coefficients
- statistical modeling
- hard thresholding
- image denoising
- wavelet domain
- higher order
- multiscale
- natural images
- noise variance
- noisy images
- denoising methods
- wavelet denoising
- wavelet transform
- wavelet decomposition
- spatially adaptive
- wavelet based image
- low frequency
- wavelet domain hidden markov tree
- noise reduction
- noise level
- multiresolution
- gaussian noise
- subband
- wavelet bases
- wavelet transformation
- discrete wavelet transform
- high frequency
- transform domain
- statistical models
- hidden markov tree
- image processing
- noise model
- image data
- shift invariant
- standard deviation
- image segmentation
- machine learning
- bit plane
- feature vectors
- high resolution
- wavelet subbands
- generalized gaussian
- wavelet basis
- pairwise
- input image
- frequency domain
- compression algorithm