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.

Date of Patent:
Feb. 03, 2026

Filed:

Nov. 10, 2023
Applicant:

Thinkware Corporation, Seongnam-si, KR;

Inventor:

Shin Hyoung Kim, Seongnam-si, KR;

Assignee:

THINKWARE CORPORATION, Seongnam-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60W 50/14 (2020.01); B60W 30/095 (2012.01); G06V 20/58 (2022.01);
U.S. Cl.
CPC ...
B60W 50/14 (2013.01); B60W 30/0956 (2013.01); G06V 20/584 (2022.01); B60W 2050/146 (2013.01); B60W 2420/403 (2013.01); B60W 2554/801 (2020.02);
Abstract

A method for measuring an inter-vehicle distance using a processor is provided. The method includes acquiring a driving image photographed by a photographing device of a first vehicle; detecting a second vehicle from the driving image and calculating a ratio between an image width of the detected second vehicle and an image width of a lane in which the second vehicle is located; determining a size class of the second vehicle among a plurality of size classes based on the calculated ratio; determining a width of the second vehicle based on the determined size class of the second vehicle; and calculating a distance from the photographing device to the second vehicle based on the determined width of the second vehicle, a focal length of the photographing device, and the image width of the second vehicle.


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