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- W2088979525 abstract "Computer simulations of lung nodules overcome many shortcomings of creating radiographs using anthropomorphic nodule phantoms for lung nodule detection studies, but these algorithms can be cumbersome and involved. A simple, fast, and flexible computer program to simulate lung nodules in digital chest radiographs for detection studies is reported. To verify the realism of the simulated nodules, a psychophysical study and a statistical study were conducted. In the psychophysical study, six radiologists and four nonradiologists were asked to distinguish between 17 real lung nodules and 17 computer-simulated lung nodules shown in eight radiographs. The results show that the computer-simulated lung nodules are indistinguishable visually from real lung nodules. Using parameters from the Rose model of vision, results show that the simulated and real nodules are the same statistically. Thus, besides visual validity, statistical analysis in confirming the validity of the simulated lung nodules is included." @default.
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- W2088979525 date "1990-08-01" @default.
- W2088979525 modified "2023-09-26" @default.
- W2088979525 title "Computer-Simulated Lung Nodules in Digital Chest Radiographs for Detection Studies" @default.
- W2088979525 doi "https://doi.org/10.1097/00004424-199008000-00006" @default.
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