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:
Mar. 02, 2021

Filed:

Nov. 28, 2018
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Su Liu, Austin, TX (US);

Inseok Hwang, Austin, TX (US);

Chungkuk Yoo, Austin, TX (US);

Eric Rozner, Boulder, CO (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/341 (2011.01); G02F 1/1335 (2006.01); G02B 5/20 (2006.01); H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H04N 5/341 (2013.01); G02B 5/20 (2013.01); G02F 1/133528 (2013.01); H01L 27/14603 (2013.01);
Abstract

A method includes: receiving light at an image sensor of a digital camera; generating an image based on the received light; detecting an artifact in the image; determining a blocking area of the sensor based on the detecting the artifact; blocking the light at the blocking area; determining whether the artifact is present in the image after the blocking; in response to determining that the artifact is present after the blocking, determining a new blocking area and repeating the blocking and the determining using the new blocking area; and in response to determining that the artifact is not present after the blocking, saving the image in memory.


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