The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 2020
Filed:
Aug. 06, 2019
Hrl Laboratories, Llc, Malibu, CA (US);
Andras Horvath, Budapest, HU;
Shankar Rao, Agoura Hills, CA (US);
HRL Laboratories, LLC, Malibu, CA (US);
Abstract
A method for improving computational efficiency for egomotion estimation includes detecting a pair of consecutive images, and estimating a rotation angle and a two dimensional translation vector that best models the motion between the image frames. The pair of images are each divided into overlapping image patches, and then an efficient projected correlation approach is used to estimate a local two dimensional translation vector for each image patch. The translation vectors from all the patches form a vector field, and then trimmed-mean method is used to robustly and efficiently estimate the rotation angle and the two dimensional translation that best models the egomotion of the detector, which may be a camera.