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.:

US 9534957 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 03, 2017

Filed:

Oct. 10, 2014
Applicant:

Sony Corporation, Tokyo, JP;

Inventors:

Kunihiko Nagamine, Kanagawa, JP;

Satoshi Tomioka, Kanagawa, JP;

Assignee:

SONY CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 3/50 (2006.01); G01J 3/46 (2006.01); H04N 17/02 (2006.01);
U.S. Cl.
CPC ...
G01J 3/506 (2013.01); G01J 3/462 (2013.01); H04N 17/02 (2013.01);
Abstract

An unevenness inspection apparatus including: an image pickup section obtaining a pickup image of a test object; an image generating section generating each of a color unevenness inspection image and a luminance unevenness inspection image based on the pickup image; a calculating section calculating an evaluation parameter using both of the color unevenness inspection image and the luminance unevenness inspection image; and an inspecting section performing unevenness inspection using the calculated evaluation parameter. The calculating section calculates the evaluation parameter in consideration of unevenness visibility for both color and luminance.


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