Image Data Acquisition - Sensors and Platforms

Terms of Reference

• Design and realization of digital aerial and spaceborne missions for Earth observation
• Design, construction, characterization, and installation of imaging and non-imaging sensors (including Optical, IR, SAR, IFSAR, LIDAR, etc.)
• Standardization of definitions and measurements of sensor parameters
• Integration of imaging and non-imaging sensors with other relevant systems
• Geometric and radiometric properties, quality standards, and factors affecting data quality
• Test, calibration and evaluation of sensors (including laboratory, in-flight, inter-calibration and test fields)
• Integrated platform guidance, navigation, positioning and orientation
• Data reception and pre-processing
• On-board preprocessing of data and autonomous systems
• Systems and media for recording sensor data, auxiliary data (time, position, attitude, etc.) and film scanners
• Image and non-image data transfer standards

WORKING GROUPS of ISPRS COMMISSION I

• WG I/1 - Standards, Calibration and Validation
• WG I/2 - SAR and LiDAR Systems
• WG I/3 - Multi-Platform Sensing and Sensor Networks
• WG I/4 - Airborne Digital Photogrammetric Sensor Systems
• WG I/5 - Geometric Modelling of Optical Spaceborne Sensors and DEM Generation
• WG I/6 - Small Satellites
• WG I/7 - Intelligent Earth Sensing

INTERCOMMISSION WGs of ISPRS COMMISSION I

• ICWG I/V - Autonomous Vehicle Navigation

ICWG I/V - Autonomous Vehicle Navigation

ICWG I/V  Terms of Reference

• Design and development of autonomous vehicle navigation technologies including: GPS, INS, dead reckoning, active and passive image/signal based positioning and navigation.
• Development and integration of vehicle navigation sensors and sensor networks.
• Research and development of algorithms that support autonomous navigation.
• Development and applications of robot navigation systems, driver assistance systems for land vehicles, and Unmanned Aerial Vehicles (UAV).
• Demonstration of state of the art autonomous navigation systems in working environments.

WG I/1 - Standards, Calibration and Validation

WG I/1  Terms of Reference

• Techniques for laboratory calibration of sensors.
• In-flight radiometric and geometric calibration and validation of sensor systems.
• Establishment and utilization of existing and planned Cal/Val test sites.
• Sensor system parameter standards in relation with appropriate ISO Technical Commissions and projects.
• Managing the Joint ISPRS/CEOS Task Force on Calibration and Validation.
• Integrated activities between Cal/Val experts and data users.
• Overview of sensor-specific at-surface optical properties and temperature products.
• Collaboration with WG VII/1 on Cal/Val issues linked with definitions and measurements of Spectral Signatures

WG I/2 - SAR and LiDAR Systems

WG I/2  Terms of Reference

• Calibration and validation, specifications and formats of SAR and LiDAR data.
• Evaluation and assessment of systems for processing SAR and LiDAR data.
• Systems for generation and editing of DEMs from InSAR and LiDAR.
• Multi-frequency SAR, polarimetric InSAR, multi-pulse and full waveform LiDAR, array sensor systems.
• Systems for integration of InSAR, LIDAR and optical systems.
• Data quality and performance validation of SAR and LiDAR systems.
• Liaison with external groups such as CEOS, IEEE-GRSS, ASPRS LiDAR Committee and EuroSDR

WG I/3 - Multi-Platform Sensing and Sensor Networks

WG I/3  Terms of Reference

• Study of capabilities of multi-platform sensing and sensor networks.
• Theory, technology and application in support of integrated multi-platform sensing and sensor networks and sensor web.
• Integration of imaging and non imaging sensors for sensor networks.
• Interoperable communication and networking of in-situ and remote sensors.
• Sensor data and parameters transfer standards, through participation in ISO TC 172 and OGC.

WG I/4 - Airborne Digital Photogrammetric Sensor Systems

WG I/4  Terms of Reference

• Collaborate with EuroSDR in the development of commonly accepted procedures for the calibration and testing of airborne digital photogrammetric sensor systems.
• Radiometric/geometric evaluation and cost/benefit performance of photogrammetric products resulting from airborne digital sensor systems.
• Develop workflow guidelines for suitable deployment and application of airborne digital photogrammetric sensor systems and their integration with other imaging and non-imaging sensors.
• Liase with IC WG I/V on the development and evaluation of light payload digital photogrammetric sensor systems specific to unpiloted aerial vehicles (UAVs).
• Compile a comprehensive on-line searchable database of airborne digital photogrammetric sensor systems.

WG I/5 - Geometric Modelling of Optical Spaceborne Sensors and DEM Generation

WG I/5  Terms of Reference

• Comparison of existing and evolving algorithms for geometrical modelling of space images under operational conditions including direct georeferencing capabilities and special conditions for 2- and 3- line sensors.
• Extrapolation of the previous comparisons (outside the area of the control points), analysis and report for each space imaging system.
• Intensified and detailed study on the accuracy and cost effectiveness of various DEM data acquisition techniques.
• Identification and cataloguing of international test sites for inter-comparison and evaluation of different DEM acquisition methods based on space information.
• Geometric quality requirements for advanced optical systems derived DEM.

WG I/6 - Small Satellites

WG I/6  Terms of Reference

• User requirements for designing and realizing small satellite missions, including constellations, for Earth observation.
• Inventory of small satellite missions for Earth observation and system performances.
• Assessment of the benefits of small satellites compared to other sources of information.
• Implementation of a forum for industrial and developing countries to share their results, experiences and recommendations.
• Cooperation with WG VI/3 for technology transfer to developing countries.

WG I/7 - Intelligent Earth Sensing

WG I/7  Terms of Reference

• Intelligent and autonomous sensor and platform control
• On-board data processing
• Event-driven sensing and observing
• Intelligent/smart sensors
• Intelligent technology application for Earth observing
• Future trends in the development of sensors and platform