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Fusing Time-of-Flight Cameras and Inertial Measurement Units for Ego-Motion Estimation

机译:融合飞行时间相机和惯性测量单元进行自我运动估计

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摘要

Članak opisuje přistup procjeni vlastitog gibanja utemeljenom na time-of-flight (ToF) kamerama. Metoda je primijenjena u stvamom vre-menu na mobilnom robotu tijekom rnisije. Předložena je metoda utemeljena na slaganju dubinskih i reflektiranih podataka iz ToF kamera, detektira značajke u slici reflektiranih podataka te procjenjuje gibanje pripadajučih dubinskih podataka. Vrši se fuzija procjene gibanja s podacíma iz inercijalne mjerne jedinice rádi ostvarivanja bolje točnosti i robusnosti, pogotovo u slučaju nemogučnosti registracije slike. Rezultati su úspore eni s referentnim mjerenjima algoritma lokalizacije temeljenog na točnom laserskom senzoru udaljenosti.%This paper presents an approach for ego-motion estimation based on a Time-of-Flight (ToF) camera. It is applied in real-time on a mobile robot platform during mission. The proposed method utilizes the coherence of depth and reflectance data of ToF cameras by detecting image features on reflectance data and estimating the motion on related depth data. This motion estimate is fused with data from an inertial measurement unit in order to gain higher accuracy and robustness, especially in siruations when image registration fails. Results are benchmarked against reference poses from an accurate laser ranger finder-based localization.
机译:本文介绍了一种基于飞行时间(ToF)相机的自我运动估计方法。该方法在rnisija期间实时应用于移动机器人。所提出的方法基于深度和ToF相机反射数据的排列,检测反射数据图像中的特征并估计相关深度数据的运动。执行运动估计与来自惯性测量单位的数据的融合,以实现更好的准确性和鲁棒性,尤其是在无法配准图像的情况下。将结果与基于精确激光距离传感器的定位算法的参考测量结果进行比较。%本文提出了一种基于飞行时间(ToF)相机的自我运动估计方法。在任务期间,它将实时应用于移动机器人平台。所提出的方法通过检测反射率数据上的图像特征并估计相关深度数据的运动来利用ToF相机的深度和反射率数据的相干性。该运动估计值与惯性测量单元的数据融合在一起,以便获得更高的精度和鲁棒性,尤其是在图像配准失败的情况下。将结果与基于准确的基于激光测距仪取景器的定位的参考姿势进行基准测试。

著录项

  • 来源
    《Automatika》 |2011年第3期|p.189-198|共10页
  • 作者单位

    Autonomous Intelligent Systems Group Institute of Computer Science Rheinische Friedrich-Wilhelms-Universität Bonn Friedrich-Ebert-Allee 144 53113 Bonn;

    Department of Electrical Engineering, Precision Engineering, Information Technology Georg Simon Ohm University of Applied Sciences Nuremberg Keßlerplatz 12 90489 Nürnberg;

    Autonomous Intelligent Systems Group Institute of Computer Science Rheinische Friedrich-Wilhelms-Universität Bonn Friedrich-Ebert-Allee 144 53113 Bonn;

    Autonomous Intelligent Systems Group Institute of Computer Science Rheinische Friedrich-Wilhelms-Universität Bonn Friedrich-Ebert-Allee 144 53113 Bonn;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    ego-motion estimation; ToF camera; sensor fusion;

    机译:自我运动估计;ToF相机;传感器融合;

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