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. 2004 Jul;240(1):82–88. doi: 10.1097/01.sla.0000129493.22157.b7

graphic file with name 13FF2.jpg

FIGURE 2. The software allows for automatic thresholding among 4 values corresponding to 4 different image resolution; the smaller the threshold, the more the details that are reconstructed. A smaller threshold is useful to identify smaller structure, but can render the figure more difficult to analyze. A larger threshold permits an easier visualization of the biliary tract, but the fine details necessary to detect stones can be lost.