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:
May. 21, 2019

Filed:

Dec. 03, 2018
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Yang Yang, Toronto, CA;

Guoyi Fu, Vaughan, CA;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/32 (2006.01); G06K 9/46 (2006.01); G06T 7/73 (2017.01); G02B 27/01 (2006.01); G06T 19/00 (2011.01);
U.S. Cl.
CPC ...
G06K 9/4638 (2013.01); G02B 27/017 (2013.01); G06K 9/3216 (2013.01); G06K 9/4604 (2013.01); G06T 7/73 (2017.01); G06T 19/006 (2013.01); G02B 2027/014 (2013.01); G02B 2027/0138 (2013.01); G06K 2009/3225 (2013.01); G06T 2207/30204 (2013.01);
Abstract

A marker whose at least one of a position and pose with respect to a capturing unit is estimated includes: quadrilateral specifying points that specify a quadrilateral shape; a first circle group that is a group of a plurality of circles whose centers are present in a line of a first diagonal which is one of two diagonals of the specified quadrilateral shape, and which are included in the quadrilateral shape; a second circle group that is a group of a plurality of circles whose centers are present in a line of a second diagonal which is the other diagonal of the two diagonals than the first diagonal, and which are included in the quadrilateral shape; and a direction-identification point that specifies a direction of the quadrilateral shape.


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