US Patent Issued to Smart Engines Service on April 21 for "Advanced Hough-based on-device document localization" (Russian Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,608,816, issued on April 21, was assigned to Smart Engines Service LLC (Moscow).

"Advanced Hough-based on-device document localization" was invented by Daniil Vyacheslavovich Tropin (Vologda, Russia), Aleksandr Mikhailovich Ershov (Ulyanovsk, Russia), Dmitry Petrovich Nikolaev (Moscow) and Vladimir Viktorovich Arlazarov (Moscow).

According to the abstract* released by the U.S. Patent & Trademark Office: "Advanced Hough-Based On-Device Document Localization. In an embodiment, lines are detected in an input image of a document. The lines are searched for candidate quadrilaterals. For at least a subset of the found candidate quadrilaterals, a contour score is calculated, and the candid...