INTEGRATION OF DATA FROM A MAP INFORMATION SYSTEM 
AND A REMOTE SENSING SYSTEM 
Jarle Land 
SysScan A/S 
Kongsberg, Norway 
ABSTRACT 
The potensial in using remote sensing data together with map 
information data has been known for several years. Still, few systems 
have been made that are able to integrate traditional map data and 
remote sensing data. This paper describes a system where there is a 
link between a map system and a remote sensing system. 
1. INTRODUCTION 
Traditionally mapping systems, remote sensing systems and data base 
systems using non graphical data have been seen as different systems. 
The first step from this was to make a link between mapping systems 
and non graphical data. This created map or geographic information 
systems. 
To day we are witnessing integration between geographic information 
systems and remote sensing systems. This last change is also 
reflected in the name of this Working Group III/IV of ISPRS 
"...Integration of ... Remote Sensing Data with Land /Geographic 
Information Systems”. 
In this paper the necessary functionallity of such an integrated 
system is described. Then an example of such an implementation using 
the Map Information System from SysScan and the Remote Sensing System 
from International Imaging System is given. 
2. FUNCTIONALITY OF INTEGRATED SYSTEM 
The aim of an integration between such systems is to be able to use 
subsets of data from one system on another as an aid in updating and 
analyzing information. 
The first step in such a process will always be to geometrically 
correct the image to the map data. This can for instance be done by 
registeration of the image to map vector data that has been converted 
to raster data. The reason why the image must be registered to the 
map, is that the map usually have the coordinate system wanted in the 
final product. The registeration of a raster image is a very CPU 
consuming task that typically runs for hours on a host computer. 
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