Patents by Inventor Bjorn Lojewski

Bjorn Lojewski 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).

  • Optical self-diagnosis of a stereoscopic camera system
    Patent number: 8854431
    Abstract: The present invention relates to a method for the optical self-diagnosis of a camera system and to a camera system for carrying out the method. The method comprises recording stereo images obtained from in each case at least two partial images (2, 3) creating a depth image, that is to say a disparity map (5) given by calculated disparity values, determining a number of valid disparity values (6) of the disparity map (5), and outputting a warning signal depending on the number of valid disparity values determined. A device for carrying out such a method comprises a stereo camera (1) having at least two lenses (7,8) and image sensors, an evaluation unit and a display unit.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: October 7, 2014
    Assignee: Hella KGaA Hueck & Co.
    Inventors: Miao Song, Bjorn Lojewski
  • Optical Self-Diagnosis of a Stereoscopic Camera System
    Publication number: 20130120536
    Abstract: The present invention relates to a method for the optical self-diagnosis of a camera system and to a camera system for carrying out the method. The method comprises recording stereo images obtained from in each case at least two partial images (2, 3) creating a depth image, that is to say a disparity map (5) given by calculated disparity values, determining a number of valid disparity values (6) of the disparity map (5), and outputting a warning signal depending on the number of valid disparity values determined. A device for carrying out such a method comprises a stereo camera (1) having at least two lenses (7,8) and image sensors, an evaluation unit and a display unit.
    Type: Application
    Filed: December 17, 2012
    Publication date: May 16, 2013
    Inventors: Miao Song, Bjorn Lojewski