ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,524,638, issued on Jan. 13, was assigned to QUALCOMM Inc. (San Diego).
"Erasure-based quick response (QR) decoding" was invented by Nicolas David Perrichot (Vienna) and Braulio Sespede (Graz, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and techniques are described herein for quick response (QR) code decoding. For example, a computing device can apply a filter to a QR code to blur the QR code; determine one or more areas of the filtered QR code that are associated with an error based on a light intensity variance of the one or more areas being above or below a variance threshold; and apply erasure correction to the one or more areas."...