2017_SBRT_Course Book

Image Quality Assessed with Catphan Phantom

▪ Scale, distance, and orientation accuracy ▪ Uniformity, noise ▪ High contrast spatial resolution

▪ Low contrast detectability ▪ CT number accuracy and stability

Kamath S, Song W, Chvetsov A, Ozawa S, Lu H, Samant S, Liu C, Li JG, Palta JR. An image quality comparison study between XVI and OBI CBCT systems. J Appl Clin Med Phys. 2011 Feb 4;12(2):3435.