Mapping and Geographic Information Systems
Scientific Secretary
Monika SESTER
Administrative Secretary
Markus ENGLICH
Terms of Reference
- Analogue and digital mapping procedures and products
- Revision of topographic maps and map databases
- Data acquisition, data processing, analysis of data and visual representation in GIS
- Application of GIS to land related record management (e.g. multipurpose cadastre and utility mapping) and decision making tasks
- Radar and planetary mapping
- Digital terrain models
- Conceptual and logical spatial data modelling for storage and retrieval in spatial data bases
WORKING GROUPS of ISPRS COMMISSION IV
INTERCOMMISSION WGs of ISPRS COMMISSION IV
ICWG IV/III.1 - GIS Fundamentals and Spatial Data Bases
ICWG IV/III.1 Terms of Reference
- Conceptual GIS data modelling with regard to vector, raster and attribute data structures, including 3D aspects
- Multiscale representations of spatial data to investigate aggregation and generalisation techniques
- Integration of uncertainty measures in spatial data structures
- Investigation of kinematic and dynamic spatial data structures to manage spatio-temporal phenomena in GIS
- Development of hybrid data structures to integrate vector data, raster data and imagery of all kinds
ICWG IV/III.2 - Integration of Image Analysis and GIS
Chair
Emmanuel BALTSAVIAS
ICWG IV/III.2 Terms of Reference
- Use of GIS data and models to support image analysis
- Matching of image features and GIS objects for change detection and database revision
- Reconciliation of object modelling used in image analysis and GIS
- Investigation and development of techniques for fusion of geocoded multi-sensor data
- Use of image analysis techniques for extracting height information for 2D geo-databases
- Integration of image analysis techniques with GIS for querying, analysis and representation of spatial data
- Treatment of uncertainties, generalisation, and scale and temporal differences of GIS and image derived data
WG IV/1 - Database Design and Spatial Data Access
WG IV/1 Terms of Reference
- Logical GIS data modelling for mapping of conceptual spatial data structures
- Investigation into the suitability of relational database management systems (RDBMS) for storage and retrieval of vector data, raster data, imagery and attributes
- Use of structured query languages for retrieval of geo-referenced data with special emphasis on recent developments such as SQL3 and GeoSQL
- Storage and retrieval of imagery in standard database systems
- Investigations into the potential of object oriented database systems and object oriented modelling techniques
- Use of distributed heterogeneous spatial databases to link digital topographic data and imagery (eg Open GIS)
WG IV/2 - Digital Terrain Models, Orthoimages and 3D GIS
Secretary
Marguerite REMILLARD
WG IV/2 Terms of Reference
- Use of DTM data sets for regional, national, and global modelling
- Applications of DTMs for topographic and thematic mapping, terrain visualisation and ortho-image generation
- Investigations into 3D digital surface modelling (DSM) techniques
- Integration of DTMs and ortho-images in GIS
- Applications of 3D modelling and 3D visualisation
- Investigations into suitable data structures for 3D GIS
WG IV/3 - Temporal Aspects and Topographic Database Maintenance
WG IV/3 Terms of Reference
- Documentation of the status of world mapping, and requirements for maps and database revision techniques
- GIS data homogenisation using statistical and image matching techniques for database maintenance
- Implementation of kinematic and dynamic spatial data structures for historical management in GIS
- Investigations for improving methodologies of change detection of cultural details and natural features, using aerial photographs, satellite images and other data sources
- Techniques for the revision of maps and GIS databases, including superimposition of maps and images, and the automated detection, extraction and classification of new features
WG IV/4 - Mapping Potential of High Resolution Satellite Imagery
WG IV/4 Terms of Reference
- Status and technical definition of high resolution satellite systems for topographic and thematic mapping
- Mapping potential of existing high resolution satellite imagery
- Accuracy and information requirements for topographic and thematic maps, and for GIS databases, generated from high resolution satellite imagery
- Investigations into the synergy of simultaneously acquired stereoscopic and multi-spectral satellite image data
WG IV/5 - Extraterrestrial Mapping
WG IV/5 Terms of Reference
- Status and technical definitions of satellite systems for extraterrestrial mapping
- Documentation of data sources, mapping techniques and products, of current and future activities in extraterrestrial mapping
- Development of new techniques for data acquisition and extraterrestrial mapping
WG IV/6 - Global Databases Supporting Environmental Monitoring
WG IV/6 Terms of Reference
- Global databases for mapping and monitoring natural resources and the environment, with special emphasis on availability and quality
- Establishment of comprehensive metadata for availability on the Internet and the World Wide Web
- Development of mapping and modelling techniques appropriate for environmental applications
- Stimulation of cooperation between international and national organisations involved in resource management and inventory, in cooperation with WG VII/5