Cited by 485Robotics and Sensor-Based LocalizationInertial Sensor and NavigationAdvanced Vision and Imaging

Iterated extended Kalman filter based visual-inertial odometry using direct photometric feedback

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Bloesch, Michael, Burri, Michael, Omari, Sammy, Hutter, Marco, Siegwart, Roland·2017·The International Journal of Robotics Research

Abstract

This paper presents a visual-inertial odometry framework that tightly fuses inertial measurements with visual data from one or more cameras, by means of an iterated extended Kalman filter. By employing image patches as landmark descriptors, a photometric error is derived, which is directly integrated as an innovation term in the filter update step. Consequently, the data association is an inherent part of the estimation process and no additional feature extraction or matching processes are required. Furthermore, it enables the tracking of noncorner-shaped features, such as lines, and thereby increases the set of possible landmarks. The filter state is formulated in a fully robocentric fashion, which reduces errors related to nonlinearities. This also includes partitioning of a landmark’s location estimate into a bearing vector and distance and thereby allows an undelayed initialization of landmarks. Overall, this results in a compact approach, which exhibits a high level of robustness with respect to low scene texture and motion blur. Furthermore, there is no time-consuming initialization procedure and pose estimates are available starting at the second image frame. We test the filter on different real datasets and compare it with other state-of-the-art visual-inertial frameworks. Experimental results show that robust localization with high accuracy can be achieved with this filter-based framework.

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Crossref · 10.1177/0278364917728574

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Authors
Bloesch, M., Burri, M., Omari, S., Hutter, M., & Siegwart, R.
Affiliations
ETH Zurich (CH)
Corresponding author
Bloesch, Michael
Venue
The International Journal of Robotics Research
Published
2017-09
Volume
36
Issue
10
Pages
1053-1072
ISSN
  • 0278-3649 (ISSN-L)
  • 1741-3176
OpenAlex
W2754177129
Cited by
485
References
37
Citations by year
2026: 30 · 2025: 53 · 2024: 53 · 2023: 64 · 2022: 69 · 2021: 68 · 2020: 51 · 2019: 68 · 2018: 29
FWCI
37.21
Type
journal article
Language
en
Open access
Locations
  • The International Journal of Robotics Research (publishedVersion)
  • Repository for Publications and Research Data (ETH Zurich) (submittedVersion, other-oa)
  • ETH Zürich Research Collection
  • The International Journal of Robotics Research
Funders
  • National Science Foundation
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (149427, 200021)
  • National Centre of Competence in Research Robotics
Topics
  • Physical Sciences › Engineering › Aerospace Engineering › Robotics and Sensor-Based Localization
  • Physical Sciences › Engineering › Aerospace Engineering › Inertial Sensor and Navigation
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Vision and Imaging
Keywords
visual-inertial odometry, iterated extended Kalman filter, photometric errors, data association, landmark initialization, motion blur robustness, pose estimation

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