US 12,327,295 B2
Methods, systems, apparatus, and articles of manufacture to perform time alignment for watermarks
Vladimir Kuznetsov, Ellicott City, MD (US); and Wendell D. Lynch, East Lansing, MI (US)
Assigned to The Nielsen Company (US), LLC, New York, NY (US)
Filed by The Nielsen Company (US), LLC, New York, NY (US)
Filed on Oct. 17, 2022, as Appl. No. 17/967,589.
Claims priority of provisional application 63/294,782, filed on Dec. 29, 2021.
Prior Publication US 2023/0206377 A1, Jun. 29, 2023
Int. Cl. G06T 1/00 (2006.01)
CPC G06T 1/0078 (2013.01) [G06T 2201/005 (2013.01)] 21 Claims
OG exemplary drawing
 
1. An apparatus to perform time alignment for watermarks, the apparatus comprising
memory;
machine readable instructions; and
one or more processors configured to:
adjust a power value of an element of a template based on respective average magnitudes and respective tonality ratios corresponding to a plurality of frequency representations of a media signal, the media signal to be encoded with at least one watermark, the element corresponding to one of the plurality of frequency representations;
compute an alignment of the template to the media signal based on respective power values of elements of the template, the template corresponding to a type of the at least one watermark; and
encode the media signal with the at least one watermark according to the alignment.