Patents by Inventor Stepan Yuryevich Lobastov

Stepan Yuryevich Lobastov has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Automated detection and trimming of an ambiguous contour of a document in an image
    Patent number: 10719937
    Abstract: Systems and methods for detecting document contours in a digital image. An example method may involve: receiving an image comprising one or more documents and detecting a set of lines in the image; identifying a plurality of intersection points corresponding to the set of lines; determining a vanishing point based on the plurality of intersection points; generating a candidate polygon based on the set of lines; evaluating the candidate polygon based on a parameter associated with the vanishing point; and indicating the candidate polygon represents a contour of one of the one or more documents.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: July 21, 2020
    Assignee: ABYY Production LLC
    Inventors: Ivan Germanovich Zagaynov, Stepan Yuryevich Lobastov
  • AUTOMATED DETECTION AND TRIMMING OF AN AMBIGUOUS CONTOUR OF A DOCUMENT IN AN IMAGE
    Publication number: 20190197693
    Abstract: Systems and methods for detecting document contours in a digital image. An example method may involve: receiving an image comprising one or more documents and detecting a set of lines in the image; identifying a plurality of intersection points corresponding to the set of lines; determining a vanishing point based on the plurality of intersection points; generating a candidate polygon based on the set of lines; evaluating the candidate polygon based on a parameter associated with the vanishing point; and indicating the candidate polygon represents a contour of one of the one or more documents.
    Type: Application
    Filed: December 22, 2017
    Publication date: June 27, 2019
    Inventors: Ivan Germanovich Zagaynov, Stepan Yuryevich Lobastov