Image Denoising by Pointwise Thresholding of the Undecimated Wavelet Coefficients: A Global Sure Optimum.
Florian LuisierThomas BluPublished in: ICASSP (1) (2007)
Keyphrases
- wavelet coefficients
- image denoising
- pointwise
- discrete wavelet transform
- wavelet thresholding
- wavelet domain
- wavelet decomposition
- wavelet transform
- wavelet denoising
- denoising
- subband
- noisy images
- multiresolution
- weighted sum
- multiscale
- shift invariant
- high frequency
- filter bank
- denoising algorithm
- wavelet based image denoising
- sar images
- wavelet packet transform
- wavelet domain hidden markov tree
- low frequency
- singularity detection
- feature vectors
- hard thresholding
- image processing
- natural images
- machine learning
- generalized gaussian
- image compression
- wavelet bases
- edge detection
- image segmentation
- roc curve
- wavelet packet
- noise level
- contourlet transform