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Comparison of image quality and dose
Minimise scan protocol variation (scanner comparison)
- Start with typical clinical protocol
- (eg abdomen) minimise built in clinical application factors
- Standardise scan parameters where possible in order to minimise their effect
- eg kV, focal spot, nominal image width, beam width (eg 20 mm),
- pitch and helical reconstruction methods
Correct for known trends and dependencies
- eg. noise with dose and image width
Identify trends in other variables