Towards robust deconvolution of low-dose perfusion CT: Sparse perfusion deconvolution using online dictionary learning.
Ruogu FangTsuhan ChenPina C. SanelliPublished in: Medical Image Anal. (2013)
Keyphrases
- dictionary learning
- low dose
- sparse representation
- sparse coding
- computed tomography
- x ray
- ct scans
- computer tomography
- image restoration
- lung nodules
- ct images
- imaging modalities
- denoising
- dual energy
- contrast enhancement
- medical images
- medical imaging
- natural images
- image reconstruction
- image classification
- image representation
- linear combination
- signal processing
- three dimensional
- sparse representation based classification
- machine learning
- medical image analysis
- medical diagnosis
- x ray images
- high dimensional data
- dimensionality reduction
- face recognition
- image processing