A GPU Parallel Algorithm for Image Denoising Based on Wavelet Transform Coefficients Thresholding.
Ardelio GallettiLivia MarcellinoLuigi RussoPublished in: SITIS (2018)
Keyphrases
- image denoising
- wavelet transform coefficients
- parallel algorithm
- natural images
- denoising
- parallel computation
- wavelet coefficients
- cluster of workstations
- wavelet denoising
- graphics processors
- discrete wavelet transform
- wavelet domain
- noisy images
- subband
- wavelet transform
- soft thresholding
- multiscale
- image processing
- edge detection
- denoising methods
- denoising algorithm
- object recognition
- input image
- parallel version
- thresholding method
- shared memory
- multiresolution
- higher order
- graphics processing units
- gray level
- parallel implementation
- frequency domain
- gpu implementation
- feature vectors
- similarity measure
- hard thresholding
- high frequency
- parallel computing
- noise level
- statistical model
- image compression