B. Delabarre, E. Marchand. Visual Servoing using the Sum of Conditional Variance. In IEEE/RSJ Int. Conf. on Intelligent Robots and Systems, IROS'12, Pages 1689-1694, Vilamoura, Portugal, October 2012.
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In this paper we propose a new way to achieve direct visual servoing. The novelty is the use of the sum of conditional variance to realize the optimization process of a positioning task. This measure, which has previously been used successfully in the case of visual tracking, has been shown to be invariant to non-linear illumination variations and inexpensive to compute. Compared to other direct approaches of visual servoing, it is a good compromise between techniques using the illumination of pixels which are computationally inexpensive but non robust to illumination variations and other approaches using the mutual information which are more complicated to compute but offer more robustness towards the variations of the scene. This method results in a direct visual servoing task easy and fast to compute and robust towards non-linear illumination variations. This paper describes a visual servoing task based on the sum of conditional variance performed using a Levenberg-Marquardt optimization process. The results are then demonstrated through experimental validations and compared to both photometric-based and entropy-based techniques
@InProceedings{Delabarre12b,
Author = {Delabarre, B. and Marchand, E.},
Title = {Visual Servoing using the Sum of Conditional Variance},
BookTitle = {IEEE/RSJ Int. Conf. on Intelligent Robots and Systems, IROS'12},
Pages = {1689--1694},
Address = {Vilamoura, Portugal},
Month = {October},
Year = {2012}
}
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