Emission image reconstruction for randoms-precorrected PET allowing negative sinogram values.
Sangtae AhnJeffrey A. FesslerPublished in: IEEE Trans. Medical Imaging (2004)
Keyphrases
- image reconstruction
- reconstructed image
- limited angle
- radon transform
- compressed sensing
- image reconstruction algorithms
- positron emission tomography
- emission computed tomography
- spatial resolution
- super resolution
- computed tomography
- random projections
- tomographic reconstruction
- emission tomography
- reconstruction method
- inverse problems
- reconstruction process
- poisson noise
- image compression
- artifact free
- zernike moments
- sampled data
- image processing