Patents by Inventor Leif Haglund

Leif Haglund 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).

  • Publication number: 20150078652
    Abstract: The present invention relates to a system (200) and method for determining a relation between a first scene and a second scene. The method comprises the steps of generating at least one sensor image of a first scene with at least one sensor; accessing information related to at least one second scene, said second scene encompassing said first scene, and matching the sensor image with the second scene to map the sensor image onto the second scene. The step of accessing information related to the at least one second scene comprises accessing a 3D map comprising geocoded 3D coordinate data. The mapping involves associating geocoding information to a plurality of positions in the sensor image based on the coordinate data of the second scene.
    Type: Application
    Filed: November 8, 2011
    Publication date: March 19, 2015
    Applicant: SAAB AB
    Inventors: Michael Olofsson, Folke Isaksson, Magnus Brege, Ingmar Andersson, Per Carlbom, Johan Borg, Leif Haglund, Fredrik Rosenqvist
  • Patent number: 8885924
    Abstract: A three dimensional model method based on combination of ground based images and images taken from above. An existing 3D model based on images taken from above is matched with images taken from ground level. All images including information about position and attitudes of the camera when the images from ground level and the images taken from above were taken and direction of each pixel. The method offers an automatically carried out imaging solving or at least mitigating occlusion problems.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: November 11, 2014
    Assignee: SAAB AB
    Inventors: Leif Haglund, Johan Borg, Ingemar Andersson, Folke Isaksson
  • Publication number: 20140314307
    Abstract: Various embodiments provide a method for analyzing images generated from at least one imaging system on at least one satellite. The method comprises providing at least three images of an area of interest from the at least one imaging system, the provided images being provided from at least three different angles, establishing point correspondence between the provided images, generating at least two sets of three-dimensional information based on the provided images, wherein the at least two sets of three-dimensional information are generated based on at least two different combinations of at least two of the at least three provided images of the area of interest, and comparing the at least two sets of three-dimensional information so as to determine discrepancies and providing information related to the imaging system and/or errors in the images based on the determined discrepancies. Associated systems, computer programs, and computer program products are also provided.
    Type: Application
    Filed: April 19, 2013
    Publication date: October 23, 2014
    Applicant: SAAB AB
    Inventors: Johan Bejeryd, Johan Borg, Folke Isaksson, Leif Haglund, Per Carlbom, Ola Nygren, Ingmar Andersson
  • Publication number: 20130141540
    Abstract: A target locating method and a target locating system. Images of a target area are recorded utilizing recording devices carried by a vehicle. The recorded images of the target area are matched with a corresponding three dimensional area of a three dimensional map including transferring a target indicator from the recorded images of the target area to the three dimensional map of the corresponding target area. The coordinates of the target indicator position are read in the three dimensional map. The read coordinates of the target indicator position are made available for position requiring equipment.
    Type: Application
    Filed: June 18, 2010
    Publication date: June 6, 2013
    Applicant: SAAB AB
    Inventors: Per-Olof Persson, Folke Isaksson, Leif Haglund
  • Publication number: 20130041637
    Abstract: A three dimensional model method based on combination of ground based images and images taken from above. An existing 3D model based on images taken from above is matched with images taken from ground level. All images including information about position and attitudes of the camera when the images from ground level and the images taken from above were taken and direction of each pixel. The method offers an automatically carried out imaging solving or at least mitigating occlusion problems.
    Type: Application
    Filed: January 26, 2010
    Publication date: February 14, 2013
    Applicant: SAAB AB
    Inventors: Leif Haglund, Johan Borg, Ingemar Andersson, Folke Isaksson
  • Publication number: 20130027519
    Abstract: An automated three dimensional mapping method estimating three dimensional models taking advantage of a plurality of images. Positions and attitudes for at least one camera are recorded when images are taken. The at least one camera is geometrically calibrated to indicate the direction of each pixel of an image. A stereo disparity is calculated for a plurality of image pairs covering a same scene position setting a disparity and a certainty measure estimate for each stereo disparity. The different stereo disparity estimates are weighted together to form a 3D model. The stereo disparity estimates are reweighted automatically and adaptively based on the estimated 3D model.
    Type: Application
    Filed: January 26, 2010
    Publication date: January 31, 2013
    Applicant: SAAB AB
    Inventors: Leif Haglund, Johan Borg, Ingemar Andersson, Folke Isaksson
  • Publication number: 20120182399
    Abstract: A method and arrangement for estimating 3D-models in a street environment using a stereo sensor technique. At least one pair of sensors are arranged in pairs and are mounted on a bracket. Each pair of sensors is positioned in a common plane. The sensors of each pair are positioned based upon contrast information such that low levels of contrasts in an image plane are avoided. The pairs of sensors are mutually positioned relative to an essentially horizontal plane of the bracket such that the sensors of a sensor pair are positioned horizontally at a distance from each other and one of the sensors above the horizontal plane of the bracket and the other under the horizontal plane.
    Type: Application
    Filed: June 30, 2009
    Publication date: July 19, 2012
    Applicant: SAAB AB
    Inventors: Ingmar Andersson, Folke Isaksson, Leif Haglund, Johan Borg, Johan Bejeryd
  • Publication number: 20110019904
    Abstract: A method for displaying a virtual image of three dimensional objects in an area using stereo recordings of the area for storing a pixel and a height for each point of the area. A method is obtained of enabling displaying of vertical surfaces or even slightly downwards and inwards inclined surfaces. Stereo recordings from at least three different stereo recordings of different solid angles are used. For each different solid angle at least one data base including data about texture and height pixel point wise is established. Data for displaying the virtual image are combined from the different data bases in dependence of the direction in which the virtual image is to be displayed.
    Type: Application
    Filed: December 22, 2008
    Publication date: January 27, 2011
    Applicant: SAAB AB
    Inventors: Ingmar Andersson, Folke Isaksson, Leif Haglund