Discrete Geometry for Computer Imagery: 7th International Workshop, DGCI '97, Montpellier, France, December 3-5, 1997, Proceedings

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Ehoud Ahronovitz, Christophe Fiorio
Springer Science & Business Media, Nov 19, 1997 - Technology & Engineering - 264 pages
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This book constitutes the refereed proceedings of the 7th International Workshop on Discrete Geometry for Computer Imagery, DGCI '97, held in Montpellier, France, in December 1997. The volume presents 17 revised full papers together with three invited full papers. The contributions are organized in sections on 2D recognition, discrete shapes and planes, surfaces, topology, features, and from principles to applications.
 

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Contents

TopologyPreserving Deletion of 1s from 2 3 and 4Dimensional Binary Images
3
On the Reconstruction of Finite Lattice Sets from Their XRays
19
Aspects in TopologyBased Geometric Modeling
33
Applications of Digital Straight Segments to Economical Image Encoding
51
Maximal Superpositions of Grids and an Application
63
Volume Images
75
Coplanar Tricubes
87
Coexistence of Tricubes in Digital Naive Plane
99
An Approach Based on the Topological PointNeighbourhood
151
The Euler Characteristic of Discrete Object
163
Fast Estimation of Mean Curvature on the Surface of a 3D Discrete Object
175
Ellipses Estimation from Their Digitization
187
Topological Errors and Optimal Chamfer Distance Coefficients
199
Homotopy in 2dimensional Digital Images
213
Set Manipulations of Fractal Objects Using Matrices of IFS
223
RayTracing and 3D Objects Representation in the BCC and FCC Grids
235

Some Structural Properties of Discrete Surfaces
113
A Linear Algorithm for Constructing the Polygon Adjacency Relation in IsoSurfaces of 3D Images
125
Digital Lighting Functions
139
Supercover of Straight Lines Planes and Triangles
243
Author Index
255
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