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:
Aug. 15, 2023

Filed:

Jul. 19, 2019
Applicant:

Mitsubishi Heavy Industries Machinery Systems, Ltd., Kobe, JP;

Inventors:

Kenta Hara, Tokyo, JP;

Rie Hasegawa, Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06V 20/62 (2022.01); G06V 30/19 (2022.01); G06V 30/18 (2022.01);
U.S. Cl.
CPC ...
G06V 20/625 (2022.01); G06V 30/18019 (2022.01); G06V 30/1916 (2022.01); G06V 30/19093 (2022.01); G06V 30/19133 (2022.01); G06V 30/19147 (2022.01); G06Q 2240/00 (2013.01);
Abstract

A number plate information specifying device includes an image acquisition unit that acquires a number plate image, a feature point extraction unit that extracts a feature point from the number plate image, a degree of similarity calculation unit that references a learning data set in which a plurality of feature points are recorded in association with a plurality of pieces of number plate information and calculates degrees of similarity for the feature points recorded in the learning data set that correspond to the feature point extracted from the number plate image, a vote value calculation unit that, on the basis of the degrees of similarity, calculates vote values for the pieces of number plate information recorded in the learning data set, and a specifying unit that specifies the piece of number plate information that has the highest vote value as the number plate information displayed in the number plate image.


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