Patent ID: 11909934
Assignee: KYOCERA DOCUMENT SOLUTIONS INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 16:
17. A copy protection method comprising:
applying a digital image and a registered security stamp to a region proposal network configured to generate region proposals;
refining the region proposals by:
a) determining a first set of the region proposals exhibiting dense spacing;
b) determining a second set of the region proposals exhibiting sparse spacing;
c) executing a first transformation to merge at least some of the region proposals exhibiting dense spacing to generate refined region proposals;
d) executing a second transformation to join at least some of the region proposals exhibiting sparse spacing to generate additional ones of the refined region proposals;
e) applying an expansion transformation to the refined region proposals; and
f) repeating a) through d) after applying the expansion transformation to the refined region proposals;

operating a classification network on the refined region proposals to generate one or more classifications of one or more objects depicted in the region proposals; and
applying the one or more classifications to control a document copy device.