DAGSTUHL
1997
14 years 1 months ago
1997
DAGSTUHL
1997
14 years 1 months ago
1997
In this paper we propose a data model for representing moving objects with uncertain positions in database systems. It is called the Moving Objects Spatio-Temporal (MOST) data mod...
DAGSTUHL
1997
14 years 1 months ago
1997
This paper presents a technique for local surface extraction from scalar and vector fields using deformable surfaces. The goal of surface extraction is often to find features, o...
DAGSTUHL
1997
14 years 1 months ago
1997
Interactive rendering of large data sets requires fast algorithms and rapid hardware acceleration. Both can be improved, but none of this ensures interactive response times. If a ...
DAGSTUHL
1997
14 years 1 months ago
1997
There is a wide range of applications for which surface interpolation or approximation from scattered data points in space is important. Dependent on the field of application and...
DAGSTUHL
1997
14 years 1 months ago
1997
This survey presents several techniques for solving variants of the following scattered data interpolation problem: given a nite set of N points in R3, nd a surface that interpola...
DAGSTUHL
1997
14 years 1 months ago
1997
Analyzing structure in complex time dependent flow fields is a challenging problem. This paper describes the use of spot noise for the visualization of this type of fields. Spo...
DAGSTUHL
1997
14 years 1 months ago
1997
This paper describes and demonstrates the e ectiveness of several metrics for data level comparison of direct volume rendering (DVR) algorithms. The focus is not on speed ups from...
DAGSTUHL
1997
14 years 1 months ago
1997
Abstract. This document1 contains de nitions of a wide range of concepts speci c to and widely used within temporal databases. In addition to providing de nitions, the document als...
DAGSTUHL
1997
14 years 1 months ago
1997
Finding one’s way through a complex virtual environment is a standard task in 3D graphics and virtual reality applications. Constrained navigation is a method that appropriately...