Closed Object Boundaries from Scattered Points

ISBN-13: 9783540588085 / Angielski / Miękka / 1994 / 152 str.

Remco C. Veltkamp

Opis

This monograph is devoted to computational morphology, particularly to the construction of a two-dimensional or a three-dimensional closed object boundary through a set of points in arbitrary position.
By applying techniques from computational geometry and CAGD, new results are developed in four stages of the construction process: (a) the gamma-neighborhood graph for describing the structure of a set of points; (b) an algorithm for constructing a polygonal or polyhedral boundary (based on (a)); (c) the flintstone scheme as a hierarchy for polygonal and polyhedral approximation and localization; (d) and a Bezier-triangle based scheme for the construction of a smooth piecewise cubic boundary.

Spis treści

Geometric graphs.- The ?-Neighborhood Graph.- Boundary construction.- Boundary from the ?-Graph.- Approximation and localization.- The flintstones.- Smooth curves and surfaces.- G 1 boundary construction.- Conclusions.