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:
Oct. 24, 2017
Filed:
Oct. 14, 2014
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Korea University Research and Business Foundation, Seoul, KR;
Jong-hoon Won, Suwon-si, KR;
Kazuhiko Sugimoto, Seongnam-si, KR;
Masataka Hamada, Suwon-si, KR;
Chang-su Kim, Seoul, KR;
Yeong-jun Koh, Seoul, KR;
Dae-youn Lee, Gwangmyeong-si, KR;
Chul Lee, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Korea University Research and Business Foundation, Seoul, KR;
Abstract
Provided is an apparatus for measuring a distance change, the apparatus including an information acquisition unit, an object determination unit, a feature point determination unit, an optical flow calculator, a matching point determination unit, an object length change calculator that calculates a length change ratio between an object of a first frame image and an object of a second frame image by using a feature point and a matching point, and a distance change calculator that calculates a change from a distance between a camera and the object from when the camera acquires the first frame image and when the camera acquires the second frame image using the calculated length change ratio.