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A signal denoising algorithm based on overcomplete wavelet representations and Gaussian models.
Guang Deng
David B. H. Tay
Slaven Marusic
Published in:
Signal Process. (2007)
Keyphrases
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denoising algorithm
gaussian model
denoising
natural images
denoising methods
wavelet coefficients
image denoising
noise model
gaussian distribution
frequency domain
noise level
wavelet packet
noisy images
high frequency
wavelet domain
transform domain
noise reduction
gaussian mixture model
conditional independence
subband
multiscale
expectation maximization
wavelet transform
peak signal to noise ratio
image processing
mixture model
image intensity
sparse representation
object recognition
image patches
computer vision
spatial domain
skin color
input image