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Multimodal Image Registration and Visual Servoing

Abstract : This paper deals with multimodal imaging in the surgical robotics context. 1 On the first hand, it addresses numerical registration of a preoperative image obtained 2 by fluorescence with an intraoperative image grabbed by a conventional white-light 3 endoscope. This registration involves displacement and rotation in the image plane as 4 well as a scale factor. On the second hand, a method is developed to visually servo the 5 endoscope to the preoperative imaging location. Both methods are original and dually 6 based on the use of mutual information between a pair of fluorescence and white-light 7 images and of a modified Nelder-Mead simplex algorithm. Numerical registration is 8 validated on real images whereas visual servoing is validated experimentally in two 9 setups: a planar microrobotic platform and a 6DOF parallel robot.
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Contributor : Eric Marchand Connect in order to contact the contributor
Submitted on : Friday, January 13, 2017 - 10:26:27 AM
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Mouloud Ourak, Brahim Tamadazte, Nicolas Andreff, Eric Marchand. Multimodal Image Registration and Visual Servoing. Lecture Notes in Electrical Engineering, 383, Springer, pp.157 - 175, 2016, ⟨10.1007/978-3-319-31898-1_9⟩. ⟨hal-01433996⟩



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