Isobathymetric line simplification with conflict removal based on a B-spline snake model

被引：13

作者：

Guilbert, Eric ^{[1
]}

Lin, Hui ^{[1
]}

机构：

[1] Chinese Univ Hong Kong, Inst Space & Earth Informat Sci, Joint Lab GeoInformat Sci, Shatin, Hong Kong, Peoples R China

来源：

MARINE GEODESY | 2007年 / 30卷 / 1-2期

关键词：

cartographic generalization; B-spline curve; snakes; smoothing; maritime GIS;

D O I：

10.1080/01490410701296697

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

This paper introduces a new method for the smoothing of isobathymetric lines for marine chart construction. Specific constraints have to be observed as the chart must be legible and safe for navigation. The method, based on a snake model, respects these constraints of legibility and safety which impose a direction for curve deformation. Conflicts such as self-intersections are also considered. These two points are the main contributions of the paper as current methods cannot deal with such constraints. Several case studies are presented and results obtained on real data are discussed.

引用

页码：169 / 195

页数：27

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