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:
Sep. 22, 2009
Filed:
Jun. 16, 2003
Applicant:
Estelle Lesellier, Boulogne, FR;
Inventor:
Estelle Lesellier, Boulogne, FR;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
Blocking artifacts within a sequence of digital images are detected by detecting a grid corresponding to the blocking artifacts. A portion of a digital image is high-pass filtered to supply a set of discontinuity pixels. Blocking artifacts are detected in the set, and rows within the portion are searched for a grid row having a density of blocking artifacts that is substantially larger than that of its neighboring rows.