Thenkurussi Kesavadas

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In this paper we describe our efforts to develop a new strategy for providing assistance using haptics in a virtual environment when training for a motor skill. Using a record and play strategy, the proposed assistance method will provide closest possible replication of expert's skill. We have defined a new paradigm called " Haptic Attributes " where we(More)
This paper presents an external camera method for measuring fingertip forces by imaging the fingernail and surrounding skin. This method is an alternative to the pho-toplethysmograph sensor originally developed by one of the authors. A 3D model of the fingernail surface and skin is obtained with a stereo camera and laser striping system. Subsequent images(More)
Modeling in general can be viewed as a two-step process, the first being concept visualization followed by the final design. Most designers who work with CAD systems go through the concept visualization stage and follow the same steps required in the final design stage. A standard approach to concept visualization is traditionally performed using clay(More)
An interactive tool has been developed for visualizing and creating scaled battlefield based scenarios for use in a simulation testbed to develop and test distributed data fusion and ad-hoc networking algorithms. This paper discuses the design requirements and implementation issues for developing such a tool. Two main design goals were to enable design of(More)
This paper presents the work in developing a high fidelity haptic device and virtual environment for playing billiards. The haptic device features a natural user interface to simulate realistic play of billiards. The paper also discusses the physics behind the virtual reality game, the kinematics and dynamics of the force feedback device and finally an(More)
– Symbols play an important role in identifying informative objects and are widely used in geo-spatial decision support systems and applications. In high level fusion applications, however, simply placing symbols often lead to information overload problem; symbols quickly grow fast in many applications, such as the post disaster monitoring system we are(More)