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:
Sep. 15, 2015

Filed:

Jan. 08, 2013
Applicant:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Inventors:

Kazumi Nagata, Tokyo, JP;

Takaaki Enohara, Tokyo, JP;

Kenji Baba, Tokyo, JP;

Shuhei Noda, Tokyo, JP;

Nobutaka Nishimura, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/235 (2006.01); H04N 5/225 (2006.01); H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
H04N 5/2351 (2013.01); H04N 5/2256 (2013.01); H04N 5/2354 (2013.01); H05B 37/0227 (2013.01);
Abstract

There are provided a retaining unit that retains a basic model indicating a plurality of relations for a plurality of subject conditions between a plurality of illuminances and a plurality of luminance of a plurality of captured images, which are obtained when a subject is imaged by changing an illuminance condition under the subject conditions; a reference image acquiring unit that acquires a captured image captured in a target space for illuminance estimation as a reference image; a reference illuminance acquiring unit that acquires illuminance of the target space at a time of imaging the reference image as reference illuminance; and an illuminance estimation model generating unit that generates an illuminance estimation model indicating a relation between illuminance and luminance in the target space from a data value indicated as a pair of the reference illuminance and luminance of the reference image based on the basic model.


Find Patent Forward Citations

Loading…