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, 2016
Filed:
Apr. 19, 2013
Applicant:
Telecom Italia S.p.a., Milan, IT;
Inventors:
Assignee:
TELECOM ITALIA S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/36 (2006.01); H04N 19/124 (2014.01); G06T 9/00 (2006.01);
U.S. Cl.
CPC ...
H04N 19/124 (2014.11); G06T 9/00 (2013.01);
Abstract
A method for processing an image includes: identifying a group of keypoints in the image; for each keypoint of the group; a) calculating a corresponding descriptor array including a plurality of array elements, each array element storing values taken by a corresponding color gradient histogram of a respective sub-region of the image in the neighborhood of the keypoint; b) generating at least one compressed descriptor array by compressing at least one portion of the descriptor array by vector quantization using a codebook including a plurality of codewords.