US 12,443,815 B2
Automated fraudulent altering and photocopying detection utilizing steganographic pattern detection
Kenneth E. Irwin, Jr., Dawsonville, GA (US); Joseph Brandimore, Lakeland, FL (US); and Brian Ingram, Murphy, NC (US)
Assigned to Brightstar Global Solutions Corporation, Providence, RI (US)
Filed by Brightstar Global Solutions Corporation, Providence, RI (US)
Filed on Mar. 3, 2025, as Appl. No. 19/068,343.
Application 19/068,343 is a continuation of application No. 18/802,568, filed on Aug. 13, 2024.
Application 18/802,568 is a continuation of application No. 18/435,331, filed on Feb. 7, 2024, granted, now 12,086,682, issued on Sep. 10, 2024.
Claims priority of provisional application 63/504,528, filed on May 26, 2023.
Prior Publication US 2025/0200314 A1, Jun. 19, 2025
This patent is subject to a terminal disclaimer.
Int. Cl. G06K 7/14 (2006.01); G06T 5/20 (2006.01); G06T 7/13 (2017.01); G06T 11/60 (2006.01); G06V 10/24 (2022.01); G06V 30/10 (2022.01)
CPC G06K 7/1452 (2013.01) [G06T 5/20 (2013.01); G06T 7/13 (2017.01); G06T 11/60 (2013.01); G06V 10/245 (2022.01); G06V 30/10 (2022.01)] 20 Claims
OG exemplary drawing
 
1. A method for verifying the authenticity of a lottery ticket having a steganographic Benday pattern printed in the background area adjacent to variable indicia of the lottery ticket, the method comprising:
using a digital camera focused on the lottery ticket to acquire a digital ticket image of the lottery ticket;
orienting the digital ticket image to an x/y grid, which comprises:
finding an edge of the lottery ticket in the digital ticket image,
aligning the edge of the lottery ticket in the digital ticket image to an x/y grid, and
generating a modified digital ticket image;
analyzing the modified digital ticket image for the absence of an apparent Benday pattern;
post-processing the modified digital ticket image to produce a Benday Digital Image;
analyzing the Benday Digital Image for apparent Benday patterns printed in the background area of the lottery ticket in at least one or a plurality of different colors; and
verifying that the modified ticket image did not include an apparent Benday pattern and that the Benday Digital Image did include an apparent Benday pattern to validate the lottery ticket.