Patents by Inventor Thorsten Kohler

Thorsten Kohler 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).

  • Patent number: 9524439
    Abstract: A monitoring unit for the exterior in the direction of travel of a motor vehicle includes at least one camera system with an image recording sensor. The sensor has color encoding in some regions and, otherwise, monochrome encoding. An assist system is also provided with such a monitoring unit, in particular a traffic sign and/or lane recognition assist system.
    Type: Grant
    Filed: May 6, 2005
    Date of Patent: December 20, 2016
    Assignee: Continental Automotive GmbH
    Inventors: Henryk Frenzel, Thorsten Köhler, Stephan Voltz, Ulrich Wagner
  • Publication number: 20150156245
    Abstract: A navigation and communication system for a transportation device, comprising a server with a processor and an interface configured to provide a virtual marketplace which is accessible by a group of users, the server being configured to receive a data set from a first user of the group of users, the data set comprising user related information and information about a location the user related information relates to, the server being further configured to transmit the data set to a device of a second user of the group of users.
    Type: Application
    Filed: December 2, 2013
    Publication date: June 4, 2015
    Inventors: Markus Risch, Ivan Frankovic, Rene Alexander Korner, Thorsten Kohler, Paul Wein, Sven Ertel, Reinhard Heimhuber
  • Patent number: 8098889
    Abstract: A method for vehicle detection and tracking includes acquiring video data including a plurality of frames, comparing a first frame of the acquired video data against a set of one or more vehicle detectors to form vehicle hypotheses, pruning and verifying the vehicle hypotheses using a set of course-to-fine constraints to detect a vehicle, and tracking the detected vehicle within one or more subsequent frames of the acquired video data by fusing shape template matching with one or more vehicle detectors.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: January 17, 2012
    Assignees: Siemens Corporation, Continental Automotive GmbH
    Inventors: Ying Zhu, Gregory Baratoff, Thorsten Köhler
  • Patent number: 7769228
    Abstract: A method for training a system for detecting multi-class objects in an image or a video sequence is described. A common ensemble of weak classifiers for a set of object classes is identified. For each object class, a separate weighting scheme is adapted for the ensemble of weak classifiers. A method for detecting objects of multiple classes in an image or a video sequence is also disclosed. Each class is assigned a detector that is implemented by a weighted combination of weak classifiers such that all of the detectors are based on a common ensemble of weak classifiers. Then weights are individually set for each class.
    Type: Grant
    Filed: April 21, 2005
    Date of Patent: August 3, 2010
    Assignees: Siemens Corporation, Siemens Aktiengesellschaft
    Inventors: Claus Bahlmann, Ying Zhu, Dorin Comaniciu, Thorsten Köhler, Martin Pellkofer
  • Patent number: 7764808
    Abstract: A system and method for detecting and tracking an object is disclosed. A camera captures a video sequence comprised of a plurality of image frames. A processor receives the video sequence and analyzes each image frame to determine if an object is detected. The processor applies one or more classifiers to an object in each image frame and computes a confidence score based on the application of the one or more classifiers to the object. A database stores the one or more classifiers and vehicle training samples. A display displays the video sequence.
    Type: Grant
    Filed: March 22, 2004
    Date of Patent: July 27, 2010
    Assignees: Siemens Corporation, Siemens Aktiengesellschaft
    Inventors: Ying Zhu, Dorin Comaniciu, Martin Pellkofer, Thorsten Köhler
  • Patent number: 7737832
    Abstract: An assistance system for motor vehicles has at least one monitoring unit monitoring a space external to a vehicle, in particular in a direction of travel of the motor vehicle, with a warning zone being defined in the monitored external space on each side of a lane. The warning zone is delimited by an earliest warning line and a latest warning line encompassing the respective lane marking or, as the case may be, boundary. An evaluation unit receives the data transmitted by the monitoring unit and generates a warning signal for an acoustic, visual and/or haptic warning and/or a steering intervention if the evaluation unit detects that a defined warning threshold lying within the warning zone is exceeded. The warning signal is issued only as a function of further planned driver-adaptive conditions.
    Type: Grant
    Filed: May 13, 2005
    Date of Patent: June 15, 2010
    Assignee: Siemens Aktiengesellschaft
    Inventors: Gregory Baratoff, Ludwig Ertl, Thorsten Köhler, Martin Pellkofer, Andre Rieder
  • Patent number: 7639841
    Abstract: The present invention is directed to a system and method for on-road vehicle detection. A video sequence is received that is comprised of a plurality of image frames. A potential vehicle appearance is identified in an image frame. Known vehicle appearance information and scene geometry information are used to formulate initial hypotheses about vehicle appearance. The potential vehicle appearance is tracked over multiple successive image frames. Potential motion trajectories for the potential vehicle appearance are identified over the multiple image frames. Knowledge fusion of appearance, scene geometry and motion information models are applied to each image frame containing the trajectories. A confidence score is calculated for each trajectory. A trajectory with a high confidence score is determined to represent a vehicle appearance.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: December 29, 2009
    Assignees: Siemens Corporation, Siemens VDO Automotive AG
    Inventors: Ying Zhu, Dorin Comaniciu, Martin Pellkofer, Thorsten Köhler
  • Patent number: 7620208
    Abstract: A method of detecting a feature of a vehicle in an image of a vehicle includes providing a digitized image of a vehicle, providing a first filter mask over a first subdomain of the image, where the filter mask is placed to detect a feature in the image, calculating a function of a gradient of the image inside the first masked subdomain, and detecting the presence or absence of a vehicle feature within the first masked subdomain based on the value of the gradient function.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: November 17, 2009
    Assignees: Siemens Corporate Research, Inc., Siemens Aktiengesellschaft
    Inventors: Ying Zhu, Binglong Xie, Visvanathan Ramesh, Martin Pellkofer, Thorsten Köhler
  • Patent number: 7542592
    Abstract: Methods for image processing for detecting and recognizing an image object include detecting an image object using pose-specific object detectors, and performing fusion of the outputs from the pose-specific object detectors. The image object is recognized using pose-specific object recognizers that use outputs from the pose-specific object detectors and the fused output of the pose-specific object detectors; and by performing fusion of the outputs of the pose-specific object recognizers to recognize the image object.
    Type: Grant
    Filed: March 28, 2005
    Date of Patent: June 2, 2009
    Assignees: Siemesn Corporate Research, Inc., Siemens Aktiengesellschaft
    Inventors: Maneesh Singh, Kazunori Okada, Benedicte Bascle, Dorin Comaniciu, Gregory Baratoff, Thorsten Köhler
  • Patent number: 7508979
    Abstract: A system and method for detecting an occupant and head pose using stereo detectors is disclosed. In the training stage, pairs of images taken simultaneously from a pair of stereo cameras are received and components in each pair of images are identified. Features are associated with each component and a value is associated with each feature. Among them, a subset of features with best discriminative capabilities is selected and forms a strong classifier for a given component in a pair of images. In the detection stage, the strong classifiers are used in the incoming image pairs to detect components. Identified components are used to detect occupants and head pose of the occupants. Stereo detection is combined with stereo matching in a systematic way to improve occupant detection and localization.
    Type: Grant
    Filed: November 18, 2004
    Date of Patent: March 24, 2009
    Assignee: Siemens Corporate Research, Inc.
    Inventors: Dorin Comaniciu, Thorsten Köhler, Binglong Xie, Ying Zhu
  • Patent number: 7466841
    Abstract: A method for detecting and recognizing at least one traffic sign is disclosed. A video sequence having a plurality of image frames is received. One or more filters are used to measure features in at least one image frame indicative of an object of interest. The measured features are combined and aggregated into a score indicating possible presence of an object. The scores are fused over multiple image frames for a robust detection. If a score indicates possible presence of an object in an area of the image frame, the area is aligned with a model. A determination is then made as to whether the area indicates a traffic sign. If the area indicates a traffic sign, the area is classified into a particular type of traffic sign. The present invention is also directed to training a system to detect and recognize traffic signs.
    Type: Grant
    Filed: April 19, 2005
    Date of Patent: December 16, 2008
    Assignee: Siemens Corporate Research, Inc.
    Inventors: Claus Bahlmann, Ying Zhu, Visvanathan Ramesh, Martin Pellkofer, Thorsten Köhler
  • Patent number: 7457437
    Abstract: The invention relates to a method for detecting the position of an object within the interior or a vehicle equipped with a door (4). The inventive method is characterized by recording a sequence of images by means of a camera (2) and calculating the actual position of the object by electronically evaluating the images of the sequence of images, and generating a differential image by comparing an actual recorded image with a previously stored image. The position of the object is calculated on the basis of the differential image. To achieve this, the camera (2) records images of the door (4). The images of the door (4) are evaluated and the open state of the door (4) is established on the basis of the differential image between the closed state and the opened state.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: November 25, 2008
    Assignee: Siemens Aktiengesellschaft
    Inventors: Ludwig Ertl, Thorsten Köhler, Reinhard Rösl, Dirk Zittlau
  • Publication number: 20080273752
    Abstract: A method for vehicle detection and tracking includes acquiring video data including a plurality of frames, comparing a first frame of the acquired video data against a set of one or more vehicle detectors to form vehicle hypotheses, pruning and verifying the vehicle hypotheses using a set of course-to-fine constraints to detect a vehicle, and tracking the detected vehicle within one or more subsequent frames of the acquired video data by fusing shape template matching with one or more vehicle detectors.
    Type: Application
    Filed: January 15, 2008
    Publication date: November 6, 2008
    Applicant: Siemens Corporate Research, Inc.
    Inventors: Ying Zhu, Gregory Baratoff, Thorsten Kohler
  • Patent number: 7403635
    Abstract: The invention relates to a device (1) and method for detection of an object or a person in the interior of a motor vehicle. The device (1) is operated by means of an analytical unit (3), such that the device (1), for detecting an object or a person in the interior of a motor vehicle, comprising a image recording unit (2) and an analytical unit (3) for the image data transmitted from the image recording unit (3), is operated in a first operating mode while an acceleration threshold value is not determined to be exceeded by the analytical unit (3) and in a second operation mode while the acceleration threshold value is determined to be exceeded by the analytical unit (3).
    Type: Grant
    Filed: September 4, 2003
    Date of Patent: July 22, 2008
    Assignee: VDO Automotive AG
    Inventors: Horst Belau, Ludwig Ertl, Thorsten Köhler
  • Patent number: 7376248
    Abstract: In optical image processing methods for determining the occupation of a vehicle seat, it is advantageous to know the position of the vehicle seat (14), even in the case when said seat is occupied. The above is achieved, whereby the side surface of the backrest (11), facing the camera (30) is part of a boundary plane. A section (T, B), between a separating plane, cutting vertically through the vehicle seat and the boundary plane (B) is at least partly not covered by a seat occupant in the direction of the camera. By means of an image processing method the position of the seat may be determined.
    Type: Grant
    Filed: December 12, 2001
    Date of Patent: May 20, 2008
    Assignee: Siemens Aktiengesellschaft
    Inventors: Ludwig Ertl, Thorsten Kohler
  • Publication number: 20080024284
    Abstract: An assistance system for motor vehicles has at least one monitoring unit monitoring a space external to a vehicle, in particular in a direction of travel of the motor vehicle, with a warning zone being defined in the monitored external space on each side of a lane. The warning zone is delimited by an earliest warning line and a latest warning line encompassing the respective lane marking or, as the case may be, boundary. An evaluation unit receives the data transmitted by the monitoring unit and generates a warning signal for an acoustic, visual and/or haptic warning and/or a steering intervention if the evaluation unit detects that a defined warning threshold lying within the warning zone is exceeded. The warning signal is issued only as a function of further planned driver-adaptive conditions.
    Type: Application
    Filed: May 13, 2005
    Publication date: January 31, 2008
    Inventors: Gregory Baratoff, Ludwig Ertl, Thorsten Kohler, Martin Pellkofer, Andre Rieder
  • Publication number: 20080027607
    Abstract: An assistance system for motor vehicles, in particular an electronic rally-copilot, an over-taking assistant, or right-of-way assistant, includes at least one control unit, which selects data from at least three groups of global, local, and internal data. The selection is by way of a specification of a driver known by the control unit and they are connected together in such a manner that an output signal can be produced relating to the driving dynamics of the motor vehicle. Further, there is provided an assistance system, which simultaneously processes, in an advantageous manner, data prepared by three groups (and/or with the specification of the driver from four groups). Redundancy can be established in an advantageous manner, which is determined, in particular for security-related uses. It can be used, in particular, as a rally-copilot, an over-taking assistant and/or right-of-way assistant for modern vehicles.
    Type: Application
    Filed: April 18, 2005
    Publication date: January 31, 2008
    Inventors: Ludwig Ertl, Thorsten Kohler, Hans-Wilhelm Ruehl, Dirk Zittlau
  • Patent number: 7304680
    Abstract: A source image (S) that is distorted by camera optics is transformed into a corrected image (T) by using a tabular imaging rule. This transformation occurs directly during the reading out from the image sensor and in real-time. No, one or several target pixels in the target image (T) are assigned to each source pixel of the source image.
    Type: Grant
    Filed: October 3, 2002
    Date of Patent: December 4, 2007
    Assignee: Siemens Aktiengesellschaft
    Inventors: Thorsten Köhler, Ulrich Wagner
  • Publication number: 20070183651
    Abstract: A system and method for detecting an occupant and head pose using stereo detectors is disclosed. In the training stage, pairs of images taken simultaneously from a pair of stereo cameras are received and components in each pair of images are identified. Features are associated with each component and a value is associated with each feature. Among them, a subset of features with best discriminative capabilities is selected and forms a strong classifier for a given component in a pair of images. In the detection stage, the strong classifiers are used in the incoming image pairs to detect components. Identified components are used to detect occupants and head pose of the occupants. Stereo detection is combined with stereo matching in a systematic way to improve occupant detection and localization.
    Type: Application
    Filed: November 18, 2004
    Publication date: August 9, 2007
    Inventors: Dorin Comaniciu, Thorsten Kohler, Binglong Xie, Ying Zhu
  • Publication number: 20070177014
    Abstract: A monitoring unit for the exterior in the direction of travel of a motor vehicle includes at least one camera system with an image recording sensor. The sensor has color encoding in some regions and, otherwise, monochrome encoding. An assist system is also provided with such a monitoring unit, in particular a traffic sign and/or lane recognition assist system.
    Type: Application
    Filed: May 6, 2005
    Publication date: August 2, 2007
    Inventors: Henryk Frenzel, Thorsten Kohler, Stephan Voltz, Ulrich Wagner