Patent · US Active

License plate identification method and system thereof

US11443535B2 · kind B2 · utility

0Cited by

3References

10Claims

0Family size

Assignee

Delta Electronics, Inc. · TW

Inventors

Yu-Ta Chen · Keelung, TW
Feng LIANG · Shanghai, CN
Jing-Hong JHENG · Taoyuan, TW

Key dates

Filing date	Jan 21, 2019
Grant date	Sep 13, 2022
Priority date	—
Expiry date	Feb 7, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG06V20/625
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A license plate identification method is provided, including steps of: obtaining a to-be-processed image including all characters on a license plate; extracting several feature maps corresponding to character features of the to-be-processed image through a feature map extraction module; for each of the characters, extracting a block and a coordinate according to the feature maps through a character identification model based on a neural network; and obtaining a license plate identification result according to the respective blocks and the respective coordinates of the characters.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.