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:
Feb. 10, 2015
Filed:
Mar. 08, 2013
Applicant:
Sik Piu Kwan, Suwanee, GA (US);
Inventor:
Sik Piu Kwan, Suwanee, GA (US);
Assignee:
NCR Corporation, Duluth, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/228 (2006.01); H04N 5/225 (2006.01);
U.S. Cl.
CPC ...
H04N 5/225 (2013.01);
Abstract
Methods and apparatus are provided for low resolution item identification. An image of an unknown item is captured and quantized to greatly lower the resolution of the image. The quantized image data of the unknown item is compared to a plurality of the quantized image data for known items. The comparison includes using a signal-to-noise ratio calculated using the quantized image data for both the unknown and known items. A match is found when the calculated signal-to-noise ratio is above a predetermined threshold value.