20240013437. METHOD FOR PROVIDING CALIBRATION DATA FOR CALIBRATING A CAMERA, METHOD FOR CALIBRATING A CAMERA, METHOD FOR PRODUCING AT LEAST ONE PREDEFINED POINT-SYMMETRIC REGION, AND DEVICE simplified abstract (Robert Bosch GmbH)

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METHOD FOR PROVIDING CALIBRATION DATA FOR CALIBRATING A CAMERA, METHOD FOR CALIBRATING A CAMERA, METHOD FOR PRODUCING AT LEAST ONE PREDEFINED POINT-SYMMETRIC REGION, AND DEVICE

Organization Name

Robert Bosch GmbH

Inventor(s)

Stephan Simon of Sibbesse (DE)

METHOD FOR PROVIDING CALIBRATION DATA FOR CALIBRATING A CAMERA, METHOD FOR CALIBRATING A CAMERA, METHOD FOR PRODUCING AT LEAST ONE PREDEFINED POINT-SYMMETRIC REGION, AND DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240013437 titled 'METHOD FOR PROVIDING CALIBRATION DATA FOR CALIBRATING A CAMERA, METHOD FOR CALIBRATING A CAMERA, METHOD FOR PRODUCING AT LEAST ONE PREDEFINED POINT-SYMMETRIC REGION, AND DEVICE

Simplified Explanation

The abstract describes a method for calibrating a camera by providing calibration data. The method involves reading image data from the camera, which represents a point-symmetric region. The method also includes determining the center of symmetry of the region using the image data and a determination rule. A comparison is then made between the position of the center of symmetry in the camera image and a reference center of symmetry in a reference image. This determines the positional deviation between the two centers of symmetry. Displacement information for a subset of pixels in the camera image relative to corresponding pixels in the reference image is ascertained using the positional deviation. The calibration data is provided using this displacement information.

  • The method reads image data from a camera representing a point-symmetric region.
  • It determines the center of symmetry of the region using the image data and a determination rule.
  • A comparison is made between the position of the center of symmetry in the camera image and a reference center of symmetry in a reference image.
  • The positional deviation between the two centers of symmetry is determined.
  • Displacement information for a subset of pixels in the camera image relative to corresponding pixels in the reference image is ascertained using the positional deviation.
  • The calibration data is provided using the displacement information.

Potential applications of this technology:

  • Camera calibration for accurate image analysis in computer vision applications.
  • Improving the accuracy of image recognition and object tracking algorithms.
  • Enhancing the performance of augmented reality and virtual reality systems.

Problems solved by this technology:

  • Inaccurate camera calibration can lead to distorted or misaligned images, affecting the performance of computer vision algorithms.
  • Traditional calibration methods may require complex and time-consuming procedures.
  • This method provides a more efficient and automated way to calibrate cameras.

Benefits of this technology:

  • Improved accuracy and reliability of camera calibration.
  • Time and cost savings compared to traditional calibration methods.
  • Enhanced performance of computer vision algorithms and systems.
  • Increased usability and effectiveness of augmented reality and virtual reality applications.


Original Abstract Submitted

a method for providing calibration data for calibrating a camera. the method includes reading in image data provided by the camera from the camera. the image data represent a camera image of at least one predefined point-symmetric region. the method also includes determining at least one center of symmetry of the at least one point-symmetric region using the image data and a determination rule, performing a comparison of a position of the center of symmetry in the camera image with a predefined position of a reference center of symmetry in a reference image in order to determine a positional deviation between the center of symmetry and the reference center of symmetry, and ascertaining displacement information for at least a subset of pixels of the camera image relative to corresponding pixels of the reference image, using the positional deviation. the calibration data are provided using the displacement information.

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