Wiener filtering has many applications in the area of imaging science. In image processing, for instance, it is a common way of reducing Gaussian noise. In color science it is often used to estimate reflectances from camera response data on a pixel by pixel basis. Based on
Philipp Urban, Mitchell R. Rosen, Roy S. Berns, "A Spatially AdaptiveWiener Filter for Reflectance Estimation" in Proc. IS&T 16th Color and Imaging Conf., 2008, pp 279 - 284, https://doi.org/10.2352/CIC.2008.16.1.art00053