Modified VICAR/IBIS GIS: implementation and application

Modified VICARIIBIS GIS: Implementation and ApplicationLynne Norikane, Anthony Freeman, and Rob Casey*Jet Propulsion LaboratoryCalifornia Institute of Technology4800 Oak Grove DrivePasadena, California 91109*university of WashingtonDepartment of Electrical EngineeringSeattle, Washington 98105ABSTRACTThe analysis of multi-format, multi-parameter, and multi-temporal data sets can be very difficult. A system to effectivelyhandle data from different formats (vector, raster, tabular) and different sources (models, radar images, ground truth surveys,optical images) is being developed and tested as an extension to the VICAR/IBIS Geographical Information System (GIS)developed at the Jet Propulsion Laboratory. In its original implementation, all data is referenced to a single georeference plane inthe VICAR/IBIS GIS. Average or typical values for a parameter defined within a polygonal region are stored in unlabeledcolumns of a tabular file. We have replaced the tabular file format with an "info" file format. The info file format allows trackingof data in time, maintenance of links between component data sets and the georeference image, conversion of pixel values to"actual" values (e.g. radar cross-section, luminance, temperature), graph plotting, data manipulation, generation of training vectorsfor classification algorithms, and comparison between actual measurements and model predictions (with ground truth data asinput). We have successfully tested the GIS using multi-temporal, multi-sensor data sets from Flevoland in The Netherlands andBonanza Creek, in Alaska as part of a research study of applications of the GIS to remote sensing data under NASA's AppliedInformation Systems Program. Results will be presented at the conference.