Optical Coherence Tomography Noise Reduction Using Anisotropic Local Bivariate Gaussian Mixture Prior in 3D Complex Wavelet Domain.
Hossein RabbaniMilan SonkaMichael D. AbràmoffPublished in: Int. J. Biomed. Imaging (2013)
Keyphrases
- 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