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| Type | Conference or Workshop Paper |
| Scope | Discipline-based scholarship |
| Published in Proceedings | Yes |
| Title | A Tutorial on Quantitative Trajectory Evaluation for Visual(-Inertial) Odometry |
| Organization Unit | |
| Authors |
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| Presentation Type | paper |
| Item Subtype | Original Work |
| Refereed | Yes |
| Status | Published in final form |
| Language |
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| ISBN | 978-1-5386-8094-0 |
| Page Range | 7244 - 7251 |
| Event Title | 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) |
| Event Type | conference |
| Event Location | Madrid |
| Event Start Date | November 1 - 2018 |
| Event End Date | November 5 - 2018 |
| Publisher | IEEE |
| Abstract Text | In this tutorial, we provide principled methods to quantitatively evaluate the quality of an estimated trajectory from visual(-inertial) odometry (VO/VIO), which is the foundation of benchmarking the accuracy of different algorithms. First, we show how to determine the transformation type to use in trajectory alignment based on the specific sensing modality (i.e., monocular, stereo and visual-inertial). Second, we describe commonly used error metrics (i.e., the absolute trajectory error and the relative error) and their strengths and weaknesses. To make the methodology presented for VO/VIO applicable to other setups, we also generalize our formulation to any given sensing modality. To facilitate the reproducibility of related research, we publicly release our implementation of the methods described in this tutorial. |
| Official URL | http://rpg.ifi.uzh.ch/docs/IROS18_Zhang.pdf |
| Digital Object Identifier | 10.1109/iros.2018.8593941 |
| Other Identification Number | merlin-id:18686 |
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