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. 16, 2015

Filed:

Apr. 16, 2013
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Attaullah Seikh, Irvine, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); G06K 9/46 (2006.01); G06T 9/00 (2006.01); G06T 7/00 (2006.01); H04N 19/172 (2014.01); H04N 19/12 (2014.01); H04N 19/136 (2014.01);
U.S. Cl.
CPC ...
G06K 9/4642 (2013.01); G06T 9/00 (2013.01); G06T 7/00 (2013.01); H04N 19/172 (2014.11); H04N 19/12 (2014.11); H04N 19/136 (2014.11);
Abstract

Systems and methods for quantifying an image generate a grayscale histogram of an image, wherein the grayscale histogram includes a respective number of pixels for a plurality of histogram values; determine a respective percentage of pixels in each of the histogram values based on the numbers of pixels for the respective histogram value and a total number of pixels in the image; compare the respective percentages of the histogram values to a first threshold; add the respective percentages that exceed the first threshold to a total percentage; and compare the total percentage to a second threshold.


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