CT image denoising using multivariate model and its method noise thresholding in non-subsampled shearlet domain.
Manoj DiwakarPrabhishek SinghPublished in: Biomed. Signal Process. Control. (2020)
Keyphrases
- mathematical model
- prediction model
- statistical model
- probabilistic model
- input data
- theoretical analysis
- empirical bayes
- objective function
- em algorithm
- energy function
- head images
- noisy data
- optimization method
- cost function
- prior knowledge
- similarity measure
- feature extraction
- segmentation method
- regression model
- missing data
- image reconstruction
- region of interest
- medical images
- edge detection
- reconstruction method
- thresholding method