ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,505,621, issued on Dec. 23, was assigned to Tencent America LLC (Palo Alto, Calif.).

"ISO-surface mesh generation for three-dimensional models" was invented by Xifeng Gao (Tallahassee, Fla.), Zhen Chen (Palo Alto, Calif.), Zherong Pan (Bellevue, Wash.) and Kui Wu (Los Angeles).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of generating an iso-surface mesh for a three-dimensional (3D) model is provided. In the method a plurality of voxels is generated in a bounding box of an input mesh, where a size of each of the plurality of voxels is based on a size of the bounding box of the input mesh and an iso-value. One or more iso-surfaces in each of th...