Vision-Based Grasp Tracking for Planar Objects


Recatala, Gabriel and Carloni, Raffaella and Melchiorri, Claudio and Sanz, Pedro J. and Cervera, Enric and Pobil, Angel P. del (2008) Vision-Based Grasp Tracking for Planar Objects. IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews, 38 (6). pp. 844-849. ISSN 1094-6977

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Abstract:In robotics, the manipulation of a priori unknown objects involves several steps and problems that must be carefully considered and solved by proper planning and control algorithms. For example, once suitable contact points have been computed, the control system should be able to track them in the approach phase, i.e., while the relative position/orientation of the object and the gripper of the robotic system change due to the approaching movement of the robot toward the object. This correspondence paper proposes a practical method for the tracking of grasp points in image space that is based on transferring previously computed grasp points from an initial image to subsequent ones and on the analysis of the new grasp configuration. Three different options are proposed for this transference. Experimental results show the interesting practical performance of the general procedure.
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