An intrinsic problem of visual odometry is its drift in long-range navigation. The drift is caused by error accumulation, as visual odometry is based on relative measurements. The paper reviews algorithms that adopt various methods to minimize this drift. However, as far as we know, no work has been done to statistically model and analyze the intrinsic properties of this drift. Moreover, the quantification of drift using offset ratio has its drawbacks. This paper models the drift as a combination of wide-band noise and a first-order Gauss-Markov process, and analyzes it using Allan variance. The model's parameters are identified by a statistical method. A novel drift quantification method using Monte Carlo simulation is also provided. © 2011 Springer-Verlag Berlin Heidelberg.
CITATION STYLE
Jiang, R., Klette, R., & Wang, S. (2011). Statistical modeling of long-range drift in visual odometry. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 6469 LNCS, pp. 214–224). https://doi.org/10.1007/978-3-642-22819-3_22
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