Sinogram noise reduction for low-dose CT by statistics-based nonlinear filters.
Jing WangHongbing LuTianfang LiZhengrong LiangPublished in: Medical Imaging: Image Processing (2005)
Keyphrases
- noise reduction
- low dose
- median filter
- nonlinear filters
- order statistics
- computed tomography
- x ray
- bilateral filter
- impulse noise
- ct scans
- imaging modalities
- computer tomography
- signal to noise ratio
- edge preserving
- lung nodules
- ct images
- median filtering
- impulsive noise
- noise removal
- medical imaging
- contrast enhancement
- image reconstruction
- medical images
- noise level
- noise free
- edge detection
- linear filters
- image processing
- three dimensional
- ct data
- radon transform
- intraoperative
- low contrast
- image registration
- edge detector