Under CopyrightKoch, K.K.KochOhser, J.J.OhserSchladitz, K.K.Schladitz2022-03-0716.09.20062002https://publica.fraunhofer.de/handle/publica/29152410.24406/publica-fhg-291524en519003006Spectral theory for random closed sets and estimating the covariance via frequency spacereport