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:
Apr. 16, 2002

Filed:

Apr. 23, 1999
Applicant:
Inventors:

Takeo Kanade, Pittsburgh, PA (US);

Taizo Umezaki, Tajimi, JP;

Toshio Hamada, Nagoya, JP;

Assignee:

Ume Tech Yugen Kaisha, Nagoya, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/00 ;
U.S. Cl.
CPC ...
G06K 9/00 ;
Abstract

In a license plate information reader device (A) for motor vehicles, a CCD camera ( ) is provided to produce video image data ( ) involving a license plate obtained by photographing a front and rear portion of a motor vehicle. An A/D converter ( ) produces a digital multivalue image data ( ) by A/D converting the video image data ( ). A license plate extracting device ( ) is provided to produce a digital multivalue image data ( ) corresponding to an area in which the license plate occupies. A literal region extracting device ( ) extracts a literal positional region of a letter sequence of the license plate based on the image obtained from the license plate extracting device ( ). A literal recognition device ( ) is provided to recognize a letter from a literal image ( ) of the literal positional region obtained from the literal region extracting device ( ). An image emphasis device is provided to emphasize the literal image ( ) of the literal positional region by replacing a part of the literal region extracting device ( ) with a filter net which serves as a neural network.


Find Patent Forward Citations

Kanade, Takeo. (2002). License plate information reader device for motor vehicles (U.S. Patent No. 6373962). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6373962

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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