Fig. 12

a Denoised picture \({\widehat{f}}\) in the reference configuration of the virtual test case. b Variance of acquisition noise \(\sigma _{\eta }^2\) as a function of the gray level of the denoised picture. \({\widehat{f}}\) is constructed by using an actual picture series of the uncertainty analyses. Its definition is \(320\times 192\) pixels. The acquisition noise is Poissonian since its variance is proportional (solid red line) to the considered gray level