Curve generating device and method, and program recorded medium

Details Curve generating device and method, and program recorded medium Curve generating device and method, and program recorded medium

G - Physics

06

T

G06T 11/20 (2006.01) G06F 17/17 (2006.01) G06T 15/70 (2006.01)

Patent

CA 2329401

At step S101, the user inputs two curves for the start and end and a reference corresponding point for each curve. At step S102, the reference corresponding points are traced for the images consecutive along the time axis. As a result, the positions of the reference corresponding points at intermediate stages are determined. At step S103, shape interpolation is carried out. At step S104, the interpolated shape generated at step S103 is deformed in accordance with the reference corresponding points determined by the tracing at step S102. Hence, the corresponding points on the outline are accurately traced even if the outline moves nonlinearly, resulting in forming a more accurate outline.

A l'étape S101, l'utilisateur entre deux courbes pour le début et la fin et un point correspondant à des références pour chaque courbe. A l'étape S102, les points correspondant à des références sont tracés pour les images consécutives le long de l'axe de temps. Il en résulte que les positions des points correspondant à des références sont déterminées à des stades intermédiaires. A l'étape S103, l'interpolation de formes est effectuée. A l'étape S104, la forme interpolée produite à l'étape S103 est déformée en fonction des points correspondant à des références déterminés par le tracé à l'étape S102. Par conséquent, les points correspondants sur les contours sont tracés de manière précise, même si le contour se déplace de manière non linéaire, ce qui entraîne la formation d'un contour plus précis.

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