US 12,231,741 B2
Systems and methods for monitoring the display of content using embedded watermarks
Brian Reed, Darien, CT (US); Kyoungsoo Moon, Dublin, CA (US); and W. Leo Hoarty, Morgan Hill, CA (US)
Assigned to VIZIO, INC., Irvine, CA (US)
Filed by VIZIO, INC., Irvine, CA (US)
Filed on Aug. 15, 2022, as Appl. No. 17/887,657.
Claims priority of provisional application 63/234,170, filed on Aug. 17, 2021.
Prior Publication US 2023/0055101 A1, Feb. 23, 2023
Int. Cl. H04N 21/8358 (2011.01); H04L 9/32 (2006.01)
CPC H04N 21/8358 (2013.01) [H04L 9/3213 (2013.01); H04L 2209/608 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method comprising:
receiving, by a media device, a media segment configured for presentation by the media device, wherein the media segment includes a set of video frames;
detecting, in at least one video frame of the set of video frames, a watermark based on pixel values of pixels of a set of pixels of the at least one video frame;
extracting watermark data from the set of pixels by defining a sequence of symbols from the set of pixels, wherein pixels of the set of pixels having a first pixel value are assigned a first symbol and pixels of the set of pixels having a second pixel value are assigned a second symbol, wherein the watermark data is usable to identify a replacement media segment to be displayed by the media device, and wherein the watermark data includes a token associated with the replacement media segment;
displaying, by the media device, the replacement media segment in place of the media segment; and
transmitting the token to a destination address, wherein the token is configured to provide proof that the replacement media segment has been presented by the media device.