ALEXANDRIA, Va., May 5 -- United States Patent no. 12,619,141, issued on May 5, was assigned to CUPOLA360 INC. (Hsinchu City, Taiwan).
"Image projection method for virtual tour" was invented by Chung-Yen Lu (Hsinchu City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image projection method for a virtual tour system is disclosed. The virtual tour system receives a panorama image derived from a panorama camera and comprises a local device. The local device comprises a display unit. The method comprises steps of: obtaining a distance factor according to coordinates of the panorama camera and a viewer in real world space; obtaining mapping coordinates of a viewpoint related to the viewer in unit sphe...