US 12,333,624 B1
Modulating surface topcoats to embed digital watermarking
Alastair M. Reed, Lake Oswego, OR (US); and Kristyn R. Falkenstern, Portland, OR (US)
Assigned to Digimarc Corporation, Beaverton, OR (US)
Filed by Digimarc Corporation, Beaverton, OR (US)
Filed on Jan. 18, 2023, as Appl. No. 18/098,667.
Application 18/098,667 is a continuation in part of application No. 17/833,683, filed on Jun. 6, 2022, granted, now 11,900,497.
Claims priority of provisional application 63/300,518, filed on Jan. 18, 2022.
Claims priority of provisional application 63/197,298, filed on Jun. 4, 2021.
Int. Cl. G06T 1/00 (2006.01); B41F 23/08 (2006.01); B41M 3/10 (2006.01)
CPC G06T 1/005 (2013.01) [B41F 23/08 (2013.01); B41M 3/10 (2013.01); G06T 1/0028 (2013.01); G06T 2201/0065 (2013.01); G06T 2201/0202 (2013.01)] 3 Claims
OG exemplary drawing
 
1. An image processing method comprising:
obtaining a first gloss value corresponding to a layer comprising a matte or gloss topcoat flooded over a substrate or color;
obtaining a second gloss value corresponding to the substrate or color;
determining a relationship between the first gloss value and the second gloss value to determine signal robustness of a sparse mark signal pattern provided on the substrate or color with the matte or gloss topcoat.