[引用][C] Image performance characterization of an MRI-guided radiation therapy system
Results The geometric distortion for all control points was less than 1 mm within the DSV
(diameter of spherical volume) of 200 mm and less than 2 mm within the DSV of 350 mm.
For planning images, typical geometric distortion was approximately 0.2 mm and 0.6 mm for
DSV of 200 mm and 350 mm, respectively. For tracking images, typical geometric distortion
was around 0.1 mm for both DSV of 200 mm and 350 mm. All ACR phantom imaging tests
passed. More specifically, the average deviation from the prescribed slice thickness was …
(diameter of spherical volume) of 200 mm and less than 2 mm within the DSV of 350 mm.
For planning images, typical geometric distortion was approximately 0.2 mm and 0.6 mm for
DSV of 200 mm and 350 mm, respectively. For tracking images, typical geometric distortion
was around 0.1 mm for both DSV of 200 mm and 350 mm. All ACR phantom imaging tests
passed. More specifically, the average deviation from the prescribed slice thickness was …
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