Instant review of analysis image User can choose to instantly view the analysis images and graphs. If this option is not chosen, the program can run even faster.	Site choice For CBCT QA tests, user can select the site.	Run demo image or your own image User can run the demo image or their own site's image.
LCOD image LCOD image is shown to user.	LCOD Low contrast object detectivity (LCOD) requires user to enter the number of high contrast disks can be distinguished.	Uniformity & Noise Uniformity and noise tests.
Slice geometry analysis Slice geometry analysis graph.	Identify ROI centroid The program initially predicts the centroid of ROI, then it corrects the centroid to minimise the error due to the possible prediction.	HU Reproducibility ROI ROI created for the HU reproducibility.
HCSR sampling Three circumference intensity profiles were sampled to do the HCSR test.	Update Excel choice At the end of program, user can choose to update the existing Excel sheet. Alternatively, user can choose to manually check the results for any errors and then in the next run.	Excel report Excel file can be automatically updated after every QA for long term machine performance analysis.