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2017 | OriginalPaper | Buchkapitel

Multi-Sensor SLAM with Online Self-Calibration and Change Detection

verfasst von : Fernando Nobre, Christoffer R. Heckman, Gabe T. Sibley

Erschienen in: 2016 International Symposium on Experimental Robotics

Verlag: Springer International Publishing

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Abstract

We present a solution for constant-time self-calibration and change detection of multiple sensor intrinsic and extrinsic calibration parameters without any prior knowledge of the initial system state or the need of a calibration target or special initialization sequence. This system is capable of continuously self-calibrating multiple sensors in an online setting, while seamlessly solving the online SLAM problem in real-time. We focus on the camera-IMU extrinsic calibration, essential for accurate long-term vision-aided inertial navigation. An initialization strategy and method for continuously estimating and detecting changes to the maximum likelihood camera-IMU transform are presented. A conditioning approach is used, avoiding problems associated with early linearization. Experimental data is presented to evaluate the proposed system and compare it with artifact-based offline calibration developed by our group.

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Metadaten
Titel
Multi-Sensor SLAM with Online Self-Calibration and Change Detection
verfasst von
Fernando Nobre
Christoffer R. Heckman
Gabe T. Sibley
Copyright-Jahr
2017
DOI
https://doi.org/10.1007/978-3-319-50115-4_66

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