Table 1.
Different iterative reconstruction algorithms from the major vendors
| Vendor | Algorithm name | Type of algorithm | Reconstruction speed | Artifact reduction | Noise reduction |
|---|---|---|---|---|---|
| GE Healthcare | ASIR (Adaptive Statistical Iterative Reconstruction) | Hybrid | + | + | ++ |
| Veo (MBIR) | Model-based | – | ++ | +++ | |
| ASIR-V | Hybrid | + | + | ++ | |
| Philips Healthcare | iDose4 | Hybrid | + | + | ++ |
| IMR (iterative model reconstruction) | Model-based | – | ++ | +++ | |
| Siemens Healthineers | IRIS (iterative reconstruction in image space) | Image domain | ++ | – | + |
| SAFIRE (sinogram-affirmed iterative reconstruction) | Hybrid | + | + | ++ | |
| ADMIRE (advanced modeled iterative reconstruction) | Model-based | – | ++ | +++ | |
| Canon Healthcare | AIDR3D (adaptive iterative dose reduction 3D) | Hybrid | + | + | ++ |
| FIRST (forward projected model-based iterative reconstruction solution) | Model-based | – | ++ | +++ |
− minimal; + average; ++ fast/strong; +++ very strong