Optimum threshold parameter estimation of wavelet coefficients using fisher discriminant analysis for speckle noise reduction.
Mohammad Motiur RahmanMithun Kumar PKMohammad Shorif UddinPublished in: Int. Arab J. Inf. Technol. (2014)
Keyphrases
- noise reduction
- parameter estimation
- wavelet coefficients
- wavelet transform
- multiresolution
- wavelet domain
- denoising algorithm
- edge preserving
- subband
- multiscale
- maximum likelihood
- edge detection
- signal to noise ratio
- image denoising
- model selection
- least squares
- noise level
- markov random field
- discriminant analysis
- random fields
- em algorithm
- expectation maximization
- noisy images
- machine learning
- gray level
- natural images
- image compression
- hidden markov models
- feature vectors
- image processing