Sensor Systems

Terms of Reference

• Design and realization of aerial and spaceborne missions for earth observation 
• Methods and systems for terrestrial and mobile perception in complex environments
• Data collection and processing methods for underwater terrain mapping
• Geometric and radiometric properties, quality standards of sensors
• Integrated platform guidance, navigation, direct georeferencing and sensor orientation
• On-board processing and intelligence for embedded systems
• Testing, calibration, and validation of aerial and spaceborne sensors
• Digital construction and integration to BIM
• LiDAR, laser altimetry and integration with other sensors
• Microwave and InSAR for a perspective of the earth
• Concepts and design of innovative sensors and sensor interconnection
• Small and low-cost sensors (micro cameras and wearable sensors) for ubiquitous geographic information acquisition

WORKING GROUPS of ISPRS COMMISSION I

• WG I/1 - Satellite Missions and Constellations for Remote Sensing
• WG I/2 - Mobile Mapping Technology
• WG I/3 - Multispectral, Hyperspectral and Thermal Sensors
• WG I/4 - LiDAR, Laser Altimetry and Sensor Integration
• WG I/5 - Microwave and InSAR Technology for Earth Observation
• WG I/6 - Orientation, Calibration and Validation of Sensors
• WG I/7 - Data Quality and Benchmark of Sensors
• WG I/8 - Multi-sensor Modelling and Cross-modality Fusion

INTERCOMMISSION WGs of ISPRS COMMISSION I

• ICWG I/IV - Robotics for Mapping and Machine Intelligence

WG I/1 - Satellite Missions and Constellations for Remote Sensing

WG I/1  Terms of Reference

• System design of satellite payloads, image and sensor modelling and simulation, and space-ground integrated planning for earth observation missions
• Performance promotion of sensor systems and satellite constellations through the  development phase to mission operation phase
• Radio signal characteristics analysis on optical, active/passive microwave and LIDAR satellite data
• Usability, availability and lifetime analysis of satellite geometric and radiometric properties
• Deployment of small satellite systems for earth observation and integration use of governmental with non-governmental satellites in algorithms and data
• Collaboration with space agencies (including NASA, JAXA, ESA, DLR, CNSA), and  academic societies (such as GEO, CEOS, AGU, EGU, JpGU, IEEE-GRSS) to promote developments and applications of satellite constellations

WG I/2 - Mobile Mapping Technology

WG I/2  Terms of Reference

• Design, development and evaluation of UAV, industrial sensor and terrestrial mobile sensor systems combined with vision metrology, large-scale 3D metrology, close-range photogrammetry
• Data processing for (near-) real-time indoor and outdoor mapping and industrial photogrammetry
• Mobile perception from mobile imaging and close-ranging sensor data
• Artificial intelligence tools (e.g. deep-learning based) for machine understanding and interpretation of mobile mapping data
• Development and performance evaluation of low-cost mobile mapping solutions
• Development of novel applications in virtual reality, GIS, transportation infrastructure mapping and assessment, including street pavement monitoring, and infrastructure asset monitoring and mapping, emergency response
• Development and test of cooperative navigation and mapping solutions
• Cooperation with ICA, IAG, FIG, and other ISPRS WGs on 3D mobile mapping; 3D object reconstruction and city modelling; sensor integration and multiple sensing solutions; and applications in LBS and disaster management.

WG I/3 - Multispectral, Hyperspectral and Thermal Sensors

WG I/3  Terms of Reference

• Imaging spectroscopy methods research based on pushbroom scanners and snapshot camera systems in the VNIR, SWIR and LWIR spectral ranges
• Airborne and satellite based multispectral and hyperspectral data processing, including EnMAP, DESIS, PRISMA, ZY1-02D/E and UAVs
• Thermal remote sensing in the MIR and LWIR ranges, with both broad- and narrow-band sensors: Landsat,Sentinel-3, MODIS / VIIRS, ECOSTRESS, airborne sensors such as AISA Owl
• Spectral unmixing, denoising, dimension reduction and validation of hyperspectral and multispectral data
• Feasibility study for the integration of emerging technologies such as smartphone spectrometers
• Analysis and applications based on multi-temporal and multi-sensor data fusion and multi/hyperspectral data

• Collaborate with academic societies and industries on applications of multispectral, hyperspectral and thermal sensors systems for Mineral Mapping, crops identification, underwater cultural heritage, landscape archaeology etc.

WG I/4 - LiDAR, Laser Altimetry and Sensor Integration

WG I/4  Terms of Reference

• Promote the developments and investigations on the state-of-the-art terrestrial, airborne, and spaceborne mapping systems, mainly using LiDAR and laser altimetry sensors
• Investigate new generation of LiDAR sensors(e.g. low-energy, high-pulse,3D ) and its integrated systems for various sensing and mapping applications
• Development of  novel multispectral and hyperspectral LiDAR and multi-platform systems (e.g., drone, robot dog, wearable systems) and its outdoor and indoor applications
• Investigate technologies on integration and fusion of multi-sensor system data (e.g., LiDAR and photogrammetric point clouds)
• Performance analysis on algorithms and data of various terrestrial, airborne, and spaceborne LiDAR and laser altimeter
• Liaison with other WGs and ICA, FIG, and IEEE­GRSS for offshore survey, terrain mapping, tree/architecture height measurement, carbon sink, etc.

WG I/5 - Microwave and InSAR Technology for Earth Observation

WG I/5  Terms of Reference

• Investigations on recent operational spaceborne SAR constellations including small satellite constellations

• Generation and accuracy assessment of 3D and higher dimensional mapping by SAR techniques (e.g. interferometry, tomography) 

• Infrastructure stability assessment and deformation monitoring from space borne SAR
• Evaluation of long wavelength SAR and systems, especially BIOMASS 

• Fusion of SAR data and complementary data (e.g. optical imagery) 

• Liaison with other groups and societies, mainly IEEE­GRSS 


WG I/6 - Orientation, Calibration and Validation of Sensors

WG I/6  Terms of Reference

• Theory and models for cooperative navigation, calibration and validation of airborne and ground based sensors
• Spatial absolute, relative and temporal modelling of non-standard 2D、3D remote sensing sensors (low-cost, new-geometry, combined-geometry configurations)
• Stochastic approaches in orientation and calibration for photogrammetric applications
• Orientation and calibration of sensors on UAV/UAS
• Photogrammetric/LiDAR orientation and calibration: measurement techniques and models
• Evaluation of industrial or engineering photogrammetry sensors systems
• Test fields setting, unification and promotion for sensor validation and calibration

WG I/7 - Data Quality and Benchmark of Sensors

WG I/7  Terms of Reference

• Investigation of sensor data quality standards, inspection, and control with respect to different application scenarios
• Development of protocols or guidelines for benchmarking remote sensing sensors systems
• Promotion of analysis ready data (ARD) in line with benchmarking activities for the ISPRS community and general users
• Creation, maintenance and evaluation of application-oriented benchmark datasets(e.g. samples of forest, agriculture, road, building)
• Broadcasting, reporting, disseminating, and summarizing benchmarking activities

WG I/8 - Multi-sensor Modelling and Cross-modality Fusion

WG I/8  Terms of Reference

• Design, development and enhancement of multi-sensor and embedded systems
• On-board data processing of multi-sensor systems
• Multi-platform sensing and cross-modality data integration
• Ubiquitous sensing solutions with non-conventional low-cost sensors (including stereo-RGB and RGB-D cameras, IMU, and laser scanners)
• Advancements in smartphone and IoT technologies with the use of the small multi-sensor platforms
• 2D/3D sensor integration and fusion for positioning, navigation and feature/metrics extraction
• Cooperation with other WGs/ICWGs and sister societies, including ICA Commission on Sensor-driven Mapping, EuroSDR Commission 1 on Data Acquisition, CEOS, IEEE-GRSS for joint events, publications and reference data archives

ICWG I/IV - Robotics for Mapping and Machine Intelligence

ICWG I/IV  Terms of Reference

• Investigation of simultaneous localization and mapping (SLAM) techniques for robotics, including semantic and metric SLAM
• Exploration and evaluation of localization and mapping sensors as well as mapping platforms for indoor and outdoor robotics
• Addressing challenges in employing robotics for mapping and challenges in map representations for robotics and autonomous vehicle navigation, also in real-time applications
• Exploit synergies between the indoor mobile mapping and building information modeling (BIM)
• Addressing the derivation and updating of sustainable urban and building models using robot mapping platforms
• Develop and implement robotic mapping benchmarks
• Establish and strengthen contacts with the robotics community