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Touching Multiresolution Curves
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Abstract
We describe a multiresolution representation of parametric curves that is well suited to haptic interaction. Our approach has been implemented on an embedded controller for the Pantograph haptic device, and has been used for haptic exploration of boundary curves obtained from images. The resolution of the representation can be dynamically adapted to the task and hardware limitations.
Specifically, we use wavelet multiresolution, using biorthogonal wavelets with good approximation properties. In addition to the multiresolution representation, we maintain a hierarchy of error bounding boxes at each resolution level that is then used for fast, “anytime” collision detection.
American Society of Mechanical Engineers
Title: Touching Multiresolution Curves
Description:
Abstract
We describe a multiresolution representation of parametric curves that is well suited to haptic interaction.
Our approach has been implemented on an embedded controller for the Pantograph haptic device, and has been used for haptic exploration of boundary curves obtained from images.
The resolution of the representation can be dynamically adapted to the task and hardware limitations.
Specifically, we use wavelet multiresolution, using biorthogonal wavelets with good approximation properties.
In addition to the multiresolution representation, we maintain a hierarchy of error bounding boxes at each resolution level that is then used for fast, “anytime” collision detection.
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