Compressing Elevation Data

To appear, Symposium on Spatial Data, Orono, Maine, 1995

Wm Randolph Franklin
Electrical, Computer, and Systems Engineering Dept., 6026 JEC,
Rensselaer Polytechnic Institute, Troy, New York 12180--3590
(518) 276--6077, Fax: (518) 276--6261
wrfATecse.rpi.edu, http://www.ecse.rpi.edu/homepages/wrf/

• Contents
• List of Figures
• 1 Introduction
• 2 Review
• 3 Compression Review
• 4 Lossless Compression Experiments
  • 4.1 Ha
  • 4.2 Splitting the Data Into Planes
  • 4.3 Said and Pearlman
  • 4.4 Summary
• 5 Lossy Compression Experiments
  • 5.1 Scaling the Elevations
  • 5.2 Lossy Compression of the Scaled Data
  • 5.3 Said and Pearlman
• 6 Compressing the DEM in Pieces
• 7 Large Scale Test of 24 DEM Samples
• 8 Compressing ETOPO5
• 9 Compressing a TIN
• 10 Summary
• References
• About this document ...