Noise reduction in PET sinograms using non-local total variation regularization.
José MejíaBoris MederosSergio D. CabreraHumberto de Jesús Ochoa DomínguezOsslan Osiris Vergara-VillegasPublished in: SSIAI (2014)
Keyphrases
- noise reduction
- total variation regularization
- positron emission tomography
- pet images
- image reconstruction
- total variation
- image denoising
- image deblurring
- denoising
- locally adaptive
- signal to noise ratio
- mr images
- edge preserving
- magnetic resonance imaging
- regularization parameter
- edge detection
- ct images
- impulse noise
- brain imaging
- median filter
- parameter selection
- magnetic resonance
- noise level
- image restoration
- imaging modalities
- noisy images
- region growing
- super resolution
- natural images
- noise removal
- denoising methods
- wiener filter
- image processing
- wavelet coefficients
- medical images
- maximum a posteriori
- medical imaging
- image data
- color images
- image analysis