Detail-In-Context Visualization for Satellite Imagery

We use the complex logarithm as a transformation for the visualization and navigation of highly complex satellite and aerial imagery. The resulting depictions show details and context with greatly different scales in one seamless image while avoiding local distortions. We motivate our approach by showing its relations to the ordinary perspective views and classical map projections. We discuss how to organize and process the huge amount of imagery in realtime using modern graphics hardware with an extended clipmapping technique. Finally, we provide details and experiences concerning the interpretation of and interaction with the resulting representations. Categories and Subject Descriptors (according to ACM CCS): I.3.6 [Methodology and Techniques]: Interaction Techniques; H.5.2 [Information Interfaces and Presentation]: User Interfaces;

• Type: Journal
• Year: 2008
• Where: CGF
• Authors: Joachim Böttger, Martin Preiser, Michael Balzer, Oliver Deussen
• Keywords: CGF 2008, Classical Map Projections, Complex Logarithm, Ordinary Perspective Views