ALEXANDRIA, Va., May 12 -- United States Patent no. 12,626,482, issued on May 12, was assigned to Michigan Scientific Corp. (Milford, Mich.).
"Speed and slip determinations for a vehicle using optical flow technology" was invented by Thomas Johnson (Pinckney, Mich.) and Hugh W. Larsen (Milford, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle speed and/or slip of a vehicle is determined. At least first and second images of a traveling surface captured by an image sensor using an optical lens are received by a processor. The images are used to determine the distance travelled by one or more pixels in first and second directions. These distances, along with the sampling rate of the image sensor, ...