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;
• Testing, 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 pre-processing 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 - Standardization of Airborne Platform Interface
• WG I/2 - LIDAR, SAR and Optical Sensors for Airborne and Spaceborne Platforms
• WG I/3 - Multi-Platform Multi-Sensor Inter-Calibration
• WG I/4 - Geometric and Radiometric Modeling of Optical Spaceborne Sensors
• WG I/5 - Integrated Systems for Sensor Georeferencing and Navigation
• WG I/6 - Small Satellites for Earth Observation

INTERCOMMISSION WGs of ISPRS COMMISSION I

• ICWG I/V - Unmanned Vehicle Systems (UVS) for Mapping and Monitoring Applications

WG I/1 - Standardization of Airborne Platform Interface

WG I/1  Terms of Reference

• Coordinate a forum for discussion between the international airborne science communities
• Develop airborne sensor interface format standards in coordination with other working groups to promote maximum sensor portability between aircrafts increasing science yield from the sensors
• Develop airborne satellite data relay systems use for science research programs between aircraft and ground in coordination with other working groups
• Develop an airborne science literature search to identify peer reviewed published papers and citations and make a available in a data base
• Support the regulatory agencies in supporting airborne science sensor certification and approval requirements for Lidar, Dropsonde and electromagnetic spectrum emissions
• Maintain an inventory of the international airborne science capabilities and report annually
• Develop a forum to discuss transnational access system(s) for airborne users
• Support the use of UAS vehicle activity for science observations in civil and restricted airspace on an international basis and engage the ICAO
• Promote the education and outreach on an international basis of airborne based science activity
• Develop a forum to coordinate expert international workshops in categories of airborne science sensors for both Remote Sensing and in situ systems.

WG I/2 - LIDAR, SAR and Optical Sensors for Airborne and Spaceborne Platforms

WG I/2  Terms of Reference

• Evaluation and assessment of systems for processing and integrating SAR, LIDAR and optical data
• Address challenges in low-frequency spaceborne SAR system design and data processing
• Address challenges and applications of high-resolution spaceborne SAR systems (e.g. TerraSAR-X, Cosmo Skymed)
• Evaluation of Systems for generation DEMs (Resolution I.3)
• Evaluation of Multi-frequency SAR, polarimetric InSAR systems
• Evaluation of Multi-pulse and full-waveform LiDAR
• Evaluation of Range imaging with array sensor systems
• Data quality and performance validation of SAR, LIDAR and optical systems
• Liaison with external groups such as CEOS, IGARSS and EuroSDR

WG I/3 - Multi-Platform Multi-Sensor Inter-Calibration

WG I/3  Terms of Reference

• Multi-platform data acquisition and inter-calibration
• Investigate multi-source data quality control and quality assurance methods for land-, air-, and space-borne imaging and ranging systems – collaborate with WG II/4
• Develop workflow guidelines for system calibration (sensors and inter-sensors)
• Collaborate and liaise with EuroSDR (Comm I) in the development of commonly accepted standards procedures for the inter-calibration and testing of Multi-Platform Multi–Sensor systems.

WG I/4 - Geometric and Radiometric Modeling of Optical Spaceborne Sensors

WG I/4  Terms of Reference

• Geometric/radiometric calibration/evaluation of optical space sensors including laboratory (including long-term stability) and in-flight calibration activities (connections to CEOS working group IVOS)
• Comparison of existing and evolving algorithms for geometrical modelling of optical space images
• Analysis of available direct sensor orientation and modelling changes during satellite lifetime
• Evaluation of line sensors for DEM generation (cooperation with WG VII/2 Digital Elevation Models by Radar).

WG I/5 - Integrated Systems for Sensor Georeferencing and Navigation

WG I/5  Terms of Reference

• Algorithmic aspects of direct georeferencing of active and passive sensors used in marine, land, airborne, and spaceborne environments
• Navigation technology and the methods of sensor orientation in urban, indoor and forested environments
• Co-registration of heterogeneous data sets for integrated sensor navigation, orientation and calibration
• Georeferencing by integrated sensor orientation: models and adjustment procedures
• Investigate challenges and implementation issues of real-time georeferencing
• Navigation redundancy, robustness and reliability: impact of system integration
• Standards and protocols in direct georeferencing and sensor orientation.

WG I/6 - Small Satellites for Earth Observation

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 other ISPRS WGs.in Commissions III, IV and VII.

ICWG I/V - Unmanned Vehicle Systems (UVS) for Mapping and Monitoring Applications

ICWG I/V  Terms of Reference

• UVS specific issues related to navigation and position/orientation determination
• UVS platforms & instruments for photogrammetry and remote sensing. especially low-cost, consumer-type
• UVS as a tool for remote sensing instrument prototyping
• UVS as a tool for teaching all aspects of photogrammetry & remote sensing
• Document and compare UVS systems in photogrammetry and remote sensing, in terms of cost, performance, application and quality
• Liaison with Com III, VIII and EuroSDR.