ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,874, issued on Oct. 27, was assigned to Electronics and Telecommunications Research Institute (Daejeon, South Korea).

"Method and apparatus for detecting location of dart pin" was invented by Do Hyung Kim (Sejong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of detecting the location of a dart pin is disclosed by the present disclosure, of which at least one embodiment provides a method of detecting a location of a dart pin attached to a dart target plate, including generating refocused images for multiple preset focal planes based on plenoptic videos of the dart target plate, which are obtained by using one or more cameras...