نتایج جستجو برای: farthest point

تعداد نتایج: 525437  

Journal: :Bulletin of the Australian Mathematical Society 1996

2014
Prosenjit Bose Jean-Lou De Carufel Carsten Grimm Anil Maheshwari Michiel Smid

6 Consider the continuum of points on the edges of a network, i.e., a connected, undirected graph 7 with positive edge weights. We measure the distance between these points in terms of the weighted 8 shortest path distance, called the network distance. Within this metric space, we study farthest points 9 and farthest distances. We introduce optimal data structures supporting queries for the far...

Journal: :Comput. Graph. Forum 2014
Dong-Ming Yan Jianwei Guo Xiaohong Jia Xiaopeng Zhang Peter Wonka

In this paper, we present a novel method for surface sampling and remeshing with good blue-noise properties. Our approach is based on the farthest point optimization (FPO), a relaxation technique that generates high quality blue-noise point sets in 2D. We propose two important generalizations of the original FPO framework: adaptive sampling and sampling on surfaces. A simple and efficient algor...

Journal: :Comput. Geom. 1991
David Eppstein

We show that the planar dual to the Euclidean farthest point Voronoi diagram for the set of vertices of a convex polygon has the lexicographic minimum possible sequence of triangle angles, sorted from sharpest to least sharp. As a consequence, the sharpest angle determined by three vertices of a convex polygon can be found in linear time.

Journal: :Int. J. Comput. Geometry Appl. 2012
Evanthia Papadopoulou Sandeep K. Dey

The farthest line-segment Voronoi diagram shows properties surprisingly different than the farthest point Voronoi diagram: Voronoi regions may be disconnected and they are not characterized by convexhull properties. In this paper we introduce the farthest line-segment hull, a cyclic structure that relates to the farthest line-segment Voronoi diagram similarly to the way an ordinary convex hull ...

2012
Sandeep K. Dey Evanthia Papadopoulou

We present structural properties of the farthest line-segment Voronoi diagram in the piecewise linear L∞ and L1 metrics, which are computationally simpler than the standard Euclidean distance and very well suited for VLSI applications. We introduce the farthest line-segment hull, a closed polygonal curve that characterizes the regions of the farthest line-segment Voronoi diagram, and is related...

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