Table 1. Summary of various uniqueness results obtained in the research of interior CT.
| Year | Reference | ROI S | Reconstructed region | Prior knowledge | Solution stability |
|---|---|---|---|---|---|
| 2004 | Noo (39) | Figure 8A | ROI S | No B | Stable |
| 2005 | Pan (40) | ||||
| 2006 | Defrise (41) | Figure 8B | ROI S | Object support B | Mildly ill-posed |
| 2007 | Ye (42) | Figure 8C | ROI S | Region B | Mildly ill-posed |
| 2008 | Kudo (43) | ||||
| 2008 | Courdurier (44) | ||||
| 2008 | Ye (50) | Figure 8C | Whole object | Region B | Severely ill-posed |
| 2008 | Courdurier (44) | ||||
| 2009 | Li (51) | Figure 8B+8C | ROI S | Object support B | Unknown |
| 2008 | Yu (52) | Figure 8C | Whole object | Piecewise constant object | Unknown |
| 2009 | Van Gompel (53) | Figure 8C | Whole object | Single object with constant intensity | Mildly ill-posed |
| 2013 | Wang (54) | Figure 8C | ROI S | Partial region outside ROI S (E-line) | Mildly ill-posed |