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This paper explores the connection between sensor-based perception and exploration in the context of haptic object identification. The proposed approach combines 1) object recognition from tactile appearance with 2) purposeful haptic exploration of unknown objects to extract appearance information. The recognition component brings to bear computer-vision techniques by viewing tactile-sensor readings...
Surgical simulators present a safe, practical, and ethical method for surgical training. In order to enhance realism and provide the user with an immersive training experience, simulators should have the capability to provide haptic feedback to the user. High-fidelity surgical simulators also require accurate modeling of the interaction between surgical instruments and organs. Linear elasticity- based...
Certain surgical procedures require a high degree of precise manual control within a very restricted area. Retinal surgeries are part of this group of procedures. During vitreoretinal surgery, the surgeon must visualize, using a microscope, an area spanning a few hundreds of microns in diameter and manually correct the potential pathology using direct contact, free hand techniques. In addition, the...
Human machine collaborative systems (HMCS) have been developed to enhance sensation and suppress extraneous motions or forces during surgical tasks requiring precise motion. However, to date such systems have enforced constraints on the position or path of a tool, but have not considered the dynamics of motion. Also, the focus has been on the effect of guidance of motion during a task, rather than...
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