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:
Oct. 17, 2006

Filed:

Mar. 27, 2003
Applicants:

Akihiro Maenaka, Kadoma, JP;

Ryuhei Amano, Hirakata, JP;

Inventors:

Akihiro Maenaka, Kadoma, JP;

Ryuhei Amano, Hirakata, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/32 (2006.01); G06K 9/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

Assuming that an original pixel adjacent to a first original pixel and opposite to a second original pixel is a third original pixel, and an original pixel adjacent to the second original pixel and opposite to the first original pixel is a fourth original pixel, and letting dbe pixel data on the first original pixel, dbe pixel data on the second original pixel, dbe pixel data on the third original pixel, and dbe pixel data on the fourth original pixel, a first edge component E is calculated on the basis of an equation for operation E=−d+d+d−din the first step, and a second edge component Es is calculated on the basis of an equation for operation Es=|d+d−d−d


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