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- W146223417 abstract "The scientific area of radiology of the Higher School of Health Technology of Lisbon, conducted an experimental study with the goal of investigating the influence of the tube potential (kV) on the detection of simulate chest lesions in a chest phantom. Exposure parameters influence the quality and quantity of a X-ray beam and consequently image quality, therefore influencing the observer capacity to detect lesions. To produce images with high quality, readers’ performances were compared as well as the accuracy of lesions detection associated with different tube potential and ROC (receiver operating characteristic) methodology was used to select the best ones. The proper binormal ROC curve model was used to select the reader with best performance. However, the conventional ROC curve is not adequate to select the best tube potential, because the evaluation of the images also depends on the reader’s interpretation. So, the MRMC (multiple readers multiple cases) ROC curves were proposed and, for their estimation, Dorfman–Berbaum–Metz method was used. All calculations were performed on the PROPROC, DBM-MRMC 2.2 and R free softwares." @default.
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- W146223417 date "2013-01-01" @default.
- W146223417 modified "2023-10-17" @default.
- W146223417 title "An Application of MRMC ROC Curves on Radiology" @default.
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- W146223417 doi "https://doi.org/10.1007/978-3-642-34904-1_47" @default.
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