×

Display device on/off detection methods and apparatus

  • US 10,506,226 B2
  • Filed: 05/20/2019
  • Issued: 12/10/2019
  • Est. Priority Date: 08/16/2005
  • Status: Active Grant
First Claim
Patent Images

1. A display activity detector comprising:

  • memory including computer readable instructions; and

    a processor to execute the instructions to at least;

    extract regions from respective ones of captured video frames, the regions corresponding to a depiction of a display of a monitored media device;

    compute a metric that is to represent an amount a first one of the regions of a first one of the captured video frames differs from a corresponding second one of the regions of a second one of the captured video frames; and

    compare the metric to a threshold to determine whether the monitored media device is ON or OFF.

View all claims
  • 10 Assignments
Timeline View
Assignment View
    ×
    ×