DULDA: Dual-domain Unsupervised Learned Descent Algorithm for PET image reconstruction.
Rui HuYunmei ChenKyung Sang KimMarcio Aloisio Bezerra Cavalcanti RockenbachQuanzheng LiHuafeng LiuPublished in: CoRR (2023)
Keyphrases
- image reconstruction
- image reconstruction algorithms
- emission computed tomography
- reconstruction method
- artifact free
- reconstruction process
- maximum a posteriori
- computational complexity
- energy function
- random projections
- compressed sensing
- signal reconstruction
- emission tomography
- expectation maximization
- test images
- high quality
- markov random field
- denoising
- sampled data
- image data
- high resolution