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.
Patent No.:
Date of Patent:
May. 26, 2026
Filed:
Apr. 11, 2024
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Kazuaki Sakata, Osaka, JP;
Kazune Hagino, Osaka, JP;
PANASONIC PROJECTOR & DISPLAY CORPORATION, Osaka, JP;
Abstract
A calibration method includes: acquiring a first image captured by a camera at a first timing, the first image showing an area on which an image is projected by a projection-type display device; detecting a plurality of feature points in the acquired first image; superimposing the plurality of detected feature points on the first image and displaying the superimposed feature points on a monitor; receiving a user's operation of selecting a part of the plurality of detected feature points as a plurality of reference points; acquiring a second image captured by the camera at a second timing after the first timing, the second image showing the area; and detecting a deviation of a relative position between the camera and the area by using the plurality of selected reference points and the acquired second image.
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