Interactive rubber-sheeting using dynamic triangulation

Major challenges in traditional rubber-sheeting algorithms are collecting control points and geometric interpolation. Without the ability of interactively viewing the warping result, it is a puzzling task even for a specialist to find a “necessary” and “sufficient” set of control points. For interpolation, piece-wise algorithms such as [White and Griffin 1985] are computationally efficient, but usually have relatively low quality results. Global methods using radial basis functions normally generate smoother warping results [Fogel and Tinney 1996], but suffer from extensive computation and limitations on the number of control points. The concern of both efficiency and quality makes web-based rubber-sheeting application into a dilemma situation.