SBRT2015

Image Quality Assessed with Catphan Phantom

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.

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Scale, distance, and

orientation accuracy

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Uniformity, noise

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High contrast spatial

resolution

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Low contrast detectability

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CT number accuracy and

stability