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.:
Date of Patent:
Apr. 19, 2011
Filed:
Apr. 30, 2009
Applicants:
Kaori Tajima, Machida, JP;
Kosuke Nobuoka, Yokohama, JP;
Inventors:
Kaori Tajima, Machida, JP;
Kosuke Nobuoka, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 9/64 (2006.01); G06K 9/00 (2006.01); H04N 5/217 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image processing apparatus and method for detecting and correcting a defective pixel in an image output from an image sensor including a plurality of pixels, comprising detection of an edge direction based on the image data, detection of a defective pixel included in the image sensor based on the detected edge direction, and correction of the selected defective pixel.