1. Editorial

   • Gerhard Ritter

   Editorial Introduction Pages: 5 - 5

2. Digital Topology: Regular Sets and Root Images of the Cross-Median Filter

   • Andreas Alpers

   OriginalPaper Pages: 7 - 14

3. A Filter To Remove Gaussian Noise by Clustering the Gray Scale

   • Zakaria Atae-Allah
   • José Martínez Aroza

   OriginalPaper Pages: 15 - 25

4. On Voronoi Diagrams and Medial Axes

   • R. Fabbri
   • L.F. Estrozi
   • L. Da F. Costa

   OriginalPaper Pages: 27 - 40

5. Matrix Cubic Splines for Progressive 3D Imaging

   • E. Defez
   • J. Villanueva-Oller
   • A. Law

   OriginalPaper Pages: 41 - 53

6. Inf-Semilattice Approach to Self-Dual Morphology

   • Henk J.A.M. Heijmans
   • Renato Keshet

   OriginalPaper Pages: 55 - 80