US Patent Issued to OMNIVISION TECHNOLOGIES (SHANGHAI) on March 4 for "Fisheye image transformation algorithm based on virtual spheres" (American, Chinese Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,243,183, issued on March 4, was assigned to OMNIVISION TECHNOLOGIES (SHANGHAI) Co. LTD. (Shanghai).

"Fisheye image transformation algorithm based on virtual spheres" was invented by Biao He (Santa Clara, Calif.) and Yanyan Liu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fisheye image transformation algorithm based on virtual spheres is provided, comprising: defining a real camera coordinate system O-XYZ and a virtual camera coordinate system O2-X2Y2Z2, wherein a small virtual sphere centered at O with a radius of 1 and a large virtual sphere centered at O2 with a radius of n are defined, the small sphere is internally tangent to the large...