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[Accuracy of diameter measurement in vitro using automated software for CT angiography: effect of convolution
Shigeru Suzuki1, Tatsuro Kaminaga, Teiyu Yamauchi
1Department of Radiology, Teikyo University School of Medicine.
Abstract:
The purpose of this study was to evaluate the accuracy of diameter measurement in vitro using automated software for CT angiography with five convolution kernels. Vascular models with three diameters (about 3, 5, and 8 mm) in three materials (water, oil, and air) were scanned by helical CT. Five convolution kernels were used for reconstruction. The accuracy of diameter measurement was affected by the diameter of the vascular model, material around the model, and convolution kernels. Selection of the proper convolution kernels may improve accuracy.
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