Image denoising with hard color-shrinkage and grouplet transform.
Takahiro SaitoKen-Ichi IshikawaYasutaka UedaTakashi KomatsuPublished in: PCS (2010)
Keyphrases
- image denoising
- color image denoising
- denoising
- joint optimization
- natural images
- noisy images
- wavelet shrinkage
- partial differential equations
- total variation
- image processing
- color images
- contourlet transform
- higher peak signal to noise ratio
- wavelet domain
- color information
- wavelet coefficients
- hard thresholding
- wavelet domain hidden markov tree
- additive gaussian noise
- bilateral filtering
- denoising algorithm
- input image
- nonlinear diffusion
- image deblurring
- rudin osher fatemi
- multiscale
- sparse representation
- translation invariant
- object recognition
- soft thresholding
- pattern recognition
- computer vision