Skip to main content
. Author manuscript; available in PMC: 2018 Jun 7.
Published in final edited form as: Phys Med Biol. 2017 Apr 4;62(11):4604–4622. doi: 10.1088/1361-6560/aa6b3e

Figure 1.

Figure 1

Examples of the LevelCheck output (yellow) compared with the truth definitions (green). On the left is a typical case showing good registration. On the right is a case with a strong change in spinal curvature for which the conventional rigid approach shows a degradation in registration accuracy at the superior and inferior extent of the radiograph.