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:
Jun. 24, 2008

Filed:

Apr. 25, 2005
Applicants:

Jong-hwan Lee, Seoul, KR;

Seok-goun Lee, Seongnam-si, KR;

Inventors:

Jong-hwan Lee, Seoul, KR;

Seok-goun Lee, Seongnam-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/217 (2006.01); H04N 5/225 (2006.01); G06K 9/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus and method of removing fixed pattern noise in a digital image processing apparatus are provided. The apparatus includes a controlling unit adjusting a number of image frames of a same image photographed by an imaging device and an exposure time of a shutter, and controlling a movement direction of the imaging device, which photographs the image; and a signal processing unit which median-combines the image frames of the same image photographed by the imaging device during the adjusted exposure time after moving the imaging device. The total photographing time is reduced by skipping a process of photographing a dark image and fixed pattern noise can be effectively removed by median-combining the image frames photographed while physically moving the imaging device between the photographing of consecutive image frames to remove the fixed pattern noise.


Find Patent Forward Citations

Lee, Jong-hwan. (2008). Method and apparatus for removing noise from a digital image (U.S. Patent No. 7391447). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7391447

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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