Patents by Inventor Ulrich Scherhag

Ulrich Scherhag 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).

  • Detecting artificial facial images using facial landmarks
    Patent number: 11238271
    Abstract: A method and a device for classifying facial images includes retrieving a first plurality of facial landmarks of a provided facial image associated with a subject, determining a corresponding second plurality of facial landmarks of a captured facial image of the subject, and extracting at least one feature vector based on differences between at least some of the first plurality of facial landmarks and corresponding facial landmarks of the second plurality of facial landmarks, wherein at least some values of the at least one feature vector represent angular values of facial landmarks, and supplying the at least one feature vector to a classifier to classify the provided facial image as a real facial image of the subject or as an artificial facial image.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: February 1, 2022
    Assignee: Hochschule Darmstadt
    Inventors: Dhanesh Budhrani Budhrani, Ulrich Scherhag, Christoph Busch, Marta Gomez-Barrero
  • DETECTING ARTIFICIAL FACIAL IMAGES USING FACIAL LANDMARKS
    Publication number: 20200218885
    Abstract: A method and a device for classifying facial images includes retrieving a first plurality of facial landmarks of a provided facial image associated with a subject, determining a corresponding second plurality of facial landmarks of a captured facial image of the subject, and extracting at least one feature vector based on differences between at least some of the first plurality of facial landmarks and corresponding facial landmarks of the second plurality of facial landmarks, wherein at least some values of the at least one feature vector represent angular values of facial landmarks, and supplying the at least one feature vector to a classifier to classify the provided facial image as a real facial image of the subject or as an artificial facial image.
    Type: Application
    Filed: June 20, 2018
    Publication date: July 9, 2020
    Inventors: Dhanesh Budhrani Budhrani, Ulrich Scherhag, Christoph Busch, Marta Gomez-Barrero