Fig. 2. Computed tomography (CT) images acquired with wide collimation for (a) phantom arrangement 1 (Arr1) and (b) arrangement 2 (Arr2). CT images acquired with narrow collimation for (c) phantom Arr1 and (d) phantom Arr2. Window width and level were 200 HU and 15 HU, respectively.
© 2021 Progress in Medical Physics