Patents by Inventor Kazuhiro Hiruta

Kazuhiro Hiruta 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).

  • Apparatus and method for detecting posture of camera mounted on vehicle
    Patent number: 9361687
    Abstract: An in-vehicle camera posture detecting apparatus includes a first image storing unit configured to store an image of a calibration sheet placed near the vehicle, the calibration sheet having a plurality of calibration marks, a first posture estimating unit for estimating the posture of the camera based on the first image, a second image storing unit that stores an image of the calibration sheet after movement of the vehicle, a second posture estimating unit that estimates the posture of the camera based on the second image, a sheet deviation calculating unit that calculates an amount of deviation of the calibration sheet from a predetermined position based on the estimates provided by the first and second posture estimating units, and a camera posture determining unit that determines the posture of the camera based on a posture estimated value and the calculated amount of deviation.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: June 7, 2016
    Assignee: Alpine Electronics, Inc.
    Inventors: Kenichi Shimoda, Hisayuki Watanabe, Kazuhiro Hiruta
  • Apparatus and Method for Detecting Posture of Camera Mounted on Vehicle
    Publication number: 20120314073
    Abstract: An in-vehicle camera posture detecting apparatus includes a first image storing unit configured to store an image of a calibration sheet placed near the vehicle, the calibration sheet having a plurality of calibration marks, a first posture estimating unit for estimating the posture of the camera based on the first image, a second image storing unit that stores an image of the calibration sheet after movement of the vehicle, a second posture estimating unit that estimates the posture of the camera based on the second image, a sheet deviation calculating unit that calculates an amount of deviation of the calibration sheet from a predetermined position based on the estimates provided by the first and second posture estimating units, and a camera posture determining unit that determines the posture of the camera based on a posture estimated value and the calculated amount of deviation.
    Type: Application
    Filed: June 6, 2012
    Publication date: December 13, 2012
    Inventors: Kenichi Shimoda, Hisayuki Watanabe, Kazuhiro Hiruta