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. 29, 2023

Filed:

Dec. 09, 2021
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Ippei Kurota, Matsumoto, JP;

Yoichi Shishido, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/31 (2006.01); G03B 21/14 (2006.01);
U.S. Cl.
CPC ...
H04N 9/3185 (2013.01); G03B 21/147 (2013.01);
Abstract

A projection method including specifying a first correspondence between a projector coordinate system and a camera coordinate system, based on a first picked-up image and a first image, determining a second correspondence between the projector coordinate system and the camera coordinate system, based on a second picked-up image and a second image, generating correction information, based on one or a plurality of first feature points in a third image acquired by converting the first picked-up image into the projector coordinate system, based on the first correspondence, and one or a plurality of second feature points corresponding to the one or plurality of the first feature points, in a fourth image acquired by converting the second picked-up image into the projector coordinate system, based on the second correspondence, and projecting the projection image that is corrected based on the correction information.


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