Direct Reconstruction of Dynamic PET Parametric Images Using Sparse Spectral Representation.
Guobao WangJinyi QiPublished in: ISBI (2009)
Keyphrases
- positron emission tomography
- three dimensional
- image reconstruction
- image database
- reconstruction process
- image data
- dense correspondences
- feature representation
- computerized tomography
- compressed sensing
- integral imaging
- tomographic images
- poisson noise
- image features
- image analysis
- image retrieval
- surface representation
- image set
- reconstruction method
- spatially localized
- multispectral images
- multiple images
- parametric representation
- feature points
- input image
- image registration
- object recognition
- pet ct
- tomographic reconstruction
- hyperspectral images
- test images
- image classification
- pet images
- sparsity constraints
- imaging modalities
- compressive sensing
- magnetic resonance imaging
- high dimensional
- multiscale