18637679. METHOD AND APPARATUS FOR CALIBRATING CAMERA AND INERTIAL MEASUREMENT UNIT, AND COMPUTER DEVICE simplified abstract (Tencent Technology (Shenzhen) Company Limited)

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METHOD AND APPARATUS FOR CALIBRATING CAMERA AND INERTIAL MEASUREMENT UNIT, AND COMPUTER DEVICE

Organization Name

Tencent Technology (Shenzhen) Company Limited

Inventor(s)

Haichuan Wang of Shenzhen (CN)

Ji Jiao of Shenzhen (CN)

METHOD AND APPARATUS FOR CALIBRATING CAMERA AND INERTIAL MEASUREMENT UNIT, AND COMPUTER DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18637679 titled 'METHOD AND APPARATUS FOR CALIBRATING CAMERA AND INERTIAL MEASUREMENT UNIT, AND COMPUTER DEVICE

Simplified Explanation: The patent application describes a method for calibrating cameras and an inertial measurement unit (IMU) by using image sequences and feature points to determine poses of the cameras and optimize parameters between the IMU and the cameras.

Key Features and Innovation:

  • Obtaining image sequences from cameras
  • Matching feature points in different images
  • Selecting target feature points
  • Converting target feature points into three-dimensional points
  • Determining poses of the cameras based on three-dimensional points and pixel points
  • Optimizing parameters between the IMU and cameras

Potential Applications: This technology can be used in various fields such as robotics, augmented reality, virtual reality, autonomous vehicles, and surveillance systems.

Problems Solved: The method addresses the challenge of accurately calibrating cameras and IMUs to ensure precise positioning and orientation measurements.

Benefits:

  • Improved accuracy in camera calibration
  • Enhanced performance of IMUs
  • Increased reliability in pose estimation

Commercial Applications: The technology can be applied in industries such as robotics, automotive, security, and entertainment for enhancing navigation systems, object tracking, and 3D mapping.

Questions about Camera Calibration and IMU Integration: 1. How does the method optimize parameters between the IMU and cameras? 2. What are the potential challenges in implementing this calibration method in real-world applications?

Frequently Updated Research: Researchers are continually exploring advancements in camera calibration techniques and IMU integration to enhance the accuracy and efficiency of sensor fusion systems.


Original Abstract Submitted

A method for calibrating cameras and an inertial measurement unit (IMU) includes: obtaining image sequences acquired by the cameras; matching feature points of different images in the image sequences, to obtain matched feature points; selecting target feature points from the matched feature points; converting the target feature points into three-dimensional points, and determining poses of the cameras based on the three-dimensional points and pixel points of the images in the image sequences that correspond to the three-dimensional points; and optimizing parameters between an IMU and the cameras according to the poses of the cameras and a pose of the IMU.