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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.:

US 11680813 B1

PDFFull Text
Date of Patent:
Jun. 20, 2023

Filed:

Jan. 19, 2021

Method, apparatus, electronic device, computer program, and computer readable recording medium for measuring inter-vehicle distance based on vehicle image

Applicant:

Thinkware Corporation, Seongnam-si, KR;

Inventors:

Shin Hyoung Kim, Seongnam-si, KR;

Tae Kyu Han, Seongnam-si, KR;

Assignee:

THINKWARE CORPORATION, Seongnam-si, KR;

Attorney:

WHDA, LLP

Primary Examiner:

Leon Flores

Int. Cl.
CPC ...
G01C 21/36 (2006.01); B60W 60/00 (2020.01); G06N 3/08 (2023.01); G06V 20/58 (2022.01); G06V 20/40 (2022.01); G06F 18/213 (2023.01); G06F 18/214 (2023.01); G06V 10/25 (2022.01); G06V 10/764 (2022.01);
U.S. Cl.
CPC ...
G01C 21/3602 (2013.01); B60W 60/001 (2020.02); G06F 18/213 (2023.01); G06F 18/214 (2023.01); G06N 3/08 (2013.01); G06V 10/25 (2022.01); G06V 10/764 (2022.01); G06V 20/41 (2022.01); G06V 20/58 (2022.01); B60W 2420/403 (2013.01);
Abstract

A method for measuring an inter-vehicle distance includes acquiring a driving image photographed by a photographing device of a first vehicle which is being driven; detecting a second vehicle from the acquired driving image; detecting first feature points of a second vehicle region in a first frame corresponding to a frame in which the second frame is detected before a frame in which the second vehicle is not detected among a plurality of frames constituting the driving image, when the second vehicle is not detected from the driving image; detecting second feature points in a second frame corresponding to a current frame by tracking the detected first feature points; calculating a feature point change value between the first feature points and the second feature points; and calculating an inter-vehicle distance from the photographing device of the first vehicle to the second vehicle based on the calculated feature point change value.

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