US Patent Issued to The Nielsen Company (US) on Oct. 14 for "Methods and apparatus to optimize reference signature matching using watermark matching" (Florida, Alabama Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,681, issued on Oct. 14, was assigned to The Nielsen Co. (US) LLC (New York).

"Methods and apparatus to optimize reference signature matching using watermark matching" was invented by James Petro (Dunedin, Fla.), Dan Nelson (Tampa, Fla.), Deborah Cross (Troy, Ala.) and Raghuram Ranganathan (Tampa, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatus, systems and articles of manufacture are disclosed to optimize reference signature matching using watermark matching. An example disclosed herein includes selecting first unhashed reference signatures to evaluate for a second time segment of monitoring data based on watermark coverage of...