Sensors, Platforms and Imagery
Terms of Reference
- Planning for aerial and space missions
- Design, construction, testing, installation and calibration of analogue and digital imaging sensors
- Design and performance of data reception and pre-processing systems
- Geometric and radiometric properties of image data and quality standards, and factors (environmental and others) affecting data quality
- Technical systems for recording sensor data, film scanners and auxiliary data (time, position, attitude, etc.) and media (film, magnetic, optical, etc.)
- Pre-processing techniques to generate datasets suitable for analysis and measurements (radar image synthesis, multi-sensor integration, radiometric and geometric corrections, etc.)
WORKING GROUPS of ISPRS COMMISSION I
WG I/1 - Sensor Parameter Standardisation and Calibration
Secretary
Wolfgang KORNUS
WG I/1 Terms of Reference
- Standardisation of definitions and measurement of various sensor specification related parameters, such as spectral resolution, radiometric sensitivity, etc.
- Techniques and procedures for laboratory calibration of sensors
- In-flight calibration of sensors, including atmospheric correction and development of standard calibration sites and procedures
- Calibration of non-metric airborne sensors
- Calibration, characterisation and evaluation of image scanners
- Collaboration with organisations involved in the standardisation of imaging devices and components used in imaging such as CEN, ISO, IEC, SPIE and CIE.
- Participation with the CEOS Working Group on Calibration and Validation
WG I/2 - Pre-processing Archival and Dissemination of Image Data
WG I/2 Terms of Reference
- Pre-processing algorithms, including platform modelling, noise removal, radiometric normalisation, etc.
- Pre-processing algorithms and architectures for SAR (including Interferometric SAR)
- Data archival technology, including hardware, data compression technology, etc.
- Data distribution and dissemination, especially for operational use with fast turn around time
WG I/3 - Sensors and Platforms for Topographic Survey
WG I/3 Terms of Reference
- Specifications of missions (mode of stereo coverage, swath, orbital characteristics, spatial resolution, payload configuration, etc.)
- Design and realisation of aerial and space-borne sensors for cartographic mapping
- On-board data processing
- Systems for position and attitude evaluation and control
- Processing techniques for multisensor data integration
- Interferometric SAR applications for DTM generation
- Design, realisation and calibration of airborne laser scanning systems
WG I/4 - Microwave and Optical Sensors for Geosphere-Biosphere Studies
WG I/4 Terms of Reference
- Survey of developments of global observing optical and microwave systems for land and ocean
- Development of new technologies and techniques in microwave sensor design, including interferometric, polarimetric and multi-frequency SAR systems
- Assessment of an end-to-end radiometric calibration procedures of microwave imaging systems including error analysis and error reduction techniques
- Data normalisation for long term data comparison
- Optical-microwave data integration techniques
WG I/5 - Advanced Platforms and Sensors
WG I/5 Terms of Reference
- Small satellites for earth observation : complexity of satellite realisation, reliability and cost
- Platform guidance, navigation and positioning: integration of GPS and orientation systems
- High resolution imaging spectrometer for ocean colour, mineral exploration etc.
- Review of realisation of new sensors such as smart sensors, polarisation sensors, pollution monitoring, laser altimeter, rain radar