Perceptual Docking for Robotic Control

  • Authors:
  • Guang-Zhong Yang;George P. Mylonas;Ka-Wai Kwok;Adrian Chung

  • Affiliations:
  • Royal Society/Wolfson Medical Image Computing Laboratory Institute of Biomedical Engineering, Imperial College London, London, United Kingdom;Royal Society/Wolfson Medical Image Computing Laboratory Institute of Biomedical Engineering, Imperial College London, London, United Kingdom;Royal Society/Wolfson Medical Image Computing Laboratory Institute of Biomedical Engineering, Imperial College London, London, United Kingdom;Royal Society/Wolfson Medical Image Computing Laboratory Institute of Biomedical Engineering, Imperial College London, London, United Kingdom

  • Venue:
  • MIAR '08 Proceedings of the 4th international workshop on Medical Imaging and Augmented Reality
  • Year:
  • 2008

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Abstract

In current robotic surgery, dexterity is enhanced by microprocessor controlled mechanical wrists which allow motion scaling for reduced gross hand movements and improved performance of micro-scale tasks. The continuing evolution of the technology, including force feedback and virtual immobilization through real-time motion adaptation, will permit complex procedures such as beating heart surgery to be carried out under a static frame-of-reference. In pursuing more adaptive and intelligent robotic designs, the regulatory, ethical and legal barriers imposed on interventional surgical robots have given rise to the need of a tightly integrated control between the operator and the robot when autonomy is considered. This paper outlines the general concept of perceptual dockingfor robotic control and how it can be used for learning and knowledge acquisition in robotic assisted minimally invasive surgery such that operator specific motor and perceptual/cognitive behaviour is acquired through in situsensing. A gaze contingent framework is presented in this paper as an example to illustrate how saccadic eye movements and ocular vergence can be used for attention selection, recovering 3D tissue deformation and motor channelling during minimally invasive surgical procedures.