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Haptic Rendering of Images

This research aims at providing a technique to assist users to interactively segment images. For example, a trained professional will have no difficulty segmenting structures in a noisy ultrasonic medical image. The activity of specifying the contours of a structure from visual data, using currently available computer input devices, is nevertheless time-consuming and error prone.

Using a haptic device, a combination of edge information contained in the image and information derived from the user's volontary motion is used to generate forces which assist motor control. This can be shown to improve the accuracy/speed tradeoff during performance of that task as compared to conventional input devices.

Q. Wang, V. Hayward

Annual Report

Mon Jun 26 21:22:20 GMT 2000