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. Author manuscript; available in PMC: 2021 Dec 22.
Published in final edited form as: Phys Med Biol. 2020 Dec 22;65(24):245037. doi: 10.1088/1361-6560/abc812

Figure 2.

Figure 2.

An example of model robustness analysis. Realistic noise in CT image domain will be added to a lung nodule CT image with a predicted label y from a DNN. The perturbed sample is also fed into the DNN, receiving a label y^. The DNN is robust against the perturbation, if y=y^.