Upsilon-quaternion splines for the smooth interpolation of orientations

We present a new method for smoothly interpolating orientation matrices. It is based upon quaternions and a particular construction of upsilon-spline curves. The new method has tension parameters and variable knot (time) spacing which both prove to be effective in designing and controlling key frame...

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Veröffentlicht in:	IEEE transactions on visualization and computer graphics 2004-03, Vol.10 (2), p.224-229
1. Verfasser:	Nielson, Gregory M
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Computer Graphics Computer Simulation Image Enhancement - methods Image Interpretation, Computer-Assisted - methods Imaging, Three-Dimensional - methods Information Storage and Retrieval - methods Numerical Analysis, Computer-Assisted Online Systems Pattern Recognition, Automated Reproducibility of Results Rotation Sensitivity and Specificity Signal Processing, Computer-Assisted User-Computer Interface
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Beschreibung
Zusammenfassung:	We present a new method for smoothly interpolating orientation matrices. It is based upon quaternions and a particular construction of upsilon-spline curves. The new method has tension parameters and variable knot (time) spacing which both prove to be effective in designing and controlling key frame animations.
ISSN:	1077-2626