ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,398, issued on Oct. 28, was assigned to UNISTELLAR (Marseill, France).

"Method and installation for estimating a characteristic atmospheric turbulence parameter" was invented by Arnaud Malvache (Fuveau, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for estimating a characteristic atmospheric turbulence parameter, the method including the steps of: training a machine learning model using, as learning data, values of the characteristic parameter with which are associated optical speckle images corresponding to defocused images of one or more stars, and using the trained learning model to estimate the characteristic parameter from inpu...