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Optical Coherence Tomography Noise Reduction Using Anisotropic Local Bivariate Gaussian Mixture Prior in 3D Complex Wavelet Domain.
Hossein Rabbani
Milan Sonka
Michael D. Abràmoff
Published in:
Int. J. Biomed. Imaging (2013)
Keyphrases
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noise reduction
wavelet domain
gaussian mixture
optical coherence tomography
wavelet coefficients
spatial domain
denoising
signal to noise ratio
multiscale
edge detection
wavelet transform
edge preserving
noise level
human visual system
image denoising
median filter
noise removal
multiresolution
high frequency
sar images
subband
wiener filter
noisy images
wavelet decomposition
covariance matrix
em algorithm
image enhancement
gaussian mixture model
expectation maximization