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. 26, 2020

Filed:

Aug. 28, 2017
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Nobuhiko Wakai, Osaka, JP;

Kunio Nobori, Osaka, JP;

Takeo Azuma, Kyoto, JP;

Satoshi Sato, Kyoto, JP;

Ayako Maruyama, Osaka, JP;

Mikiya Nakata, Nara, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 7/80 (2017.01); G01B 21/04 (2006.01); G01B 11/24 (2006.01); H04N 13/246 (2018.01); H04N 13/239 (2018.01); H04N 5/232 (2006.01);
U.S. Cl.
CPC ...
G06T 7/80 (2017.01); G01B 11/24 (2013.01); G01B 21/042 (2013.01); H04N 13/239 (2018.05); H04N 13/246 (2018.05); G06T 2207/10024 (2013.01); G06T 2207/30244 (2013.01); H04N 5/23216 (2013.01);
Abstract

Provided are: a point group obtainer that obtains three-dimensional point group data indicating three-dimensional locations of each of a plurality of three-dimensional points included in an imaging space of one or more cameras; a camera parameter calculator that (i) obtains corresponding points, for each of the plurality of three-dimensional points, in individual images captured using the one or more cameras, based on the three-dimensional point group data and an initial camera parameter of each camera, and (ii) calculates a camera parameter of each camera on the basis of the initial camera parameter of each camera and pixel values, included in the individual images, at the corresponding points; and a camera parameter outputter that outputs the calculated camera parameter of each camera.


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