Close-Range Sensing: Analysis and Applications

Terms of Reference

• Systems and algorithms for real-time imaging, mobile mapping and video processing
• Photogrammetric vision metrology technologies with special consideration of CAD/CAM and spatial information systems
• Integration and fusion of multiple data sources for advanced object extraction and modelling
• Laser scanning for 3-D representation of objects and scenes
• Close-range image sequence analysis procedures
• Vision-based techniques for visualization, simulation, robotics and animation
• Vision metrology systems and industrial applications
• Photogrammetric techniques in biomedical engineering and human motion studies
• Techniques for architectural, archaeological and cultural heritage applications

WORKING GROUPS of ISPRS COMMISSION V

• WG V/1 - Vision Metrology-Best Practice, Systems and Applications
• WG V/2 - Cultural Heritage Data Acquisition and Processing
• WG V/3 - Terrestrial Laser Scanning and 3D Imaging
• WG V/4 - Image-Based and Range-Based 3D Modelling
• WG V/5 - Image Sensor Technology
• WG V/6 - Close Range Morphological Measurement for the Earth Sciences

INTERCOMMISSION WGs of ISPRS COMMISSION V

• ICWG V/I - Land-Based Mobile Mapping Systems

WG V/1 - Vision Metrology-Best Practice, Systems and Applications

WG V/1  Terms of Reference

• Performance evaluation including definition of accuracy in vision metrology, best practice and contribution to international standards
• System developments and industrial applications including hybrid systems and colour processing
• Colour processing, recognising that many commercial-off-the-shelf systems incorporate colour sensors
• Camera-controlled robot and machine guidance
• 6DOF measurements (including optical sensor navigation)
• Large volume (sub millimetre capability at object scales of greater than 10 metres)
• Very close range (micrometre capabilities at object scales of less than 1 metre)

WG V/2 - Cultural Heritage Data Acquisition and Processing

WG V/2  Terms of Reference

• Development and promotion of measurement techniques, from close range through to satellite, and spatial information systems applicable to cultural heritage
• Integration of measurement techniques supporting the documentation, monitoring and presentational requirements of the archaeology, architecture, conservation and archiving communities
• Development and dissemination of best-practice protocols to aid appropriate application across related cultural heritage fields
• Development and promotion of low-cost, rapid, innovative, automated, commercial and open-source approaches
• Development and promotion of UAV platforms applicable to cultural heritage
• Close co-operation with related disciplines, national / international groups (e.g. CIPA) and other ISPRS working and regional groups

WG V/3 - Terrestrial Laser Scanning and 3D Imaging

WG V/3  Terms of Reference

• Geometric and radiometric sensor modelling and calibration of terrestrial laser scanners
• Automated and robust methods for point cloud registration
• Integration of terrestrial laser scanning and other sensors on static and kinematic platforms (in collaboration with WG V/5 and IC WG V/I)
• Feature extraction, 3D object modelling and scene classification (in collaboration with WG III/2 and WG V/4)
• Processing methods for range cameras and other 3D imaging sensors, in particular range camera image sequences (in collaboration with WG V/5)

WG V/4 - Image-Based and Range-Based 3D Modelling

WG V/4  Terms of Reference

• Stimulate the development of algorithms and software tools for (automated) geometric modelling using different data sources
• Promote integrated processing of point clouds, image and video data for the generation of realistic 3D models usable in virtual environments, animations, games, museums, etc.
• Benchmark the quality of 3D models generated through software tools and create standard datasets
• Consider efficiency and interoperability of models for Virtual Environment applications (e.g. simplification, standards)
• Address special requirements of 3D models for cultural heritage, architecture, engineering, construction (e.g. metric precision, geo-reference, annotation)

WG V/5 - Image Sensor Technology

WG V/5  Terms of Reference

• Design, characterization, calibration and evaluation of imaging sensors for close range photogrammetry and terrestrial application
• Evaluation of image sensors (CCD, CMOS, IR-Bolometer), thermal systems and time-of-flight based range image sensors
• Evaluation of non-standard imaging principles (panoramic cameras, fisheye systems, catadioptric sensors and other omni-directional vision techniques)
• Geometric and radiometric properties of image data, quality standards, and factors (environmental and others) affecting data quality
• Integrated sensors / sensor fusion (synchronization and metric aspects, alignment of different sensors)
• Multiple camera / multiple sensing systems and solutions for outdoor applications (surveillance and traffic object recognition)

WG V/6 - Close Range Morphological Measurement for the Earth Sciences

WG V/6  Terms of Reference

• To increase awareness of close-range photogrammetry and laser scanning to enable wider and wiser application within the earth sciences
• Educate and inform ″non-geomatic″ users of the existence and benefits of involvement with ISPRS
• Identify and promote differing small format camera calibration requirements and approaches, suitable for scales of enquiry relevant for close-range activities
• Develop, and make freely available, ′best-practice′ guidelines for non-expert users of consumer grade digital cameras (e.g. simplifying ″3x3 rules″) and terrestrial laser scanners
• Identify and rank the key qualities of spatial data necessary for numerical simulation and physical modelling

ICWG V/I - Land-Based Mobile Mapping Systems

ICWG V/I  Terms of Reference

• Design, development and evaluation of integrated, multi-sensor, land-based mobile mapping systems
• Design and development of real-time data processing algorithms for land-based mobile mapping systems
• Automation of information extraction from land-based mobile imaging and ranging sensor data
• Development of novel applications in transportation infrastructure mapping and assessment, including pavement and asset mapping, emergency response
• Cooperation with ICA, IAG, FIG, and other ISPRS WGs on 3D mobile mapping; image indexing and retrieval; 3D object reconstruction and city modelling; point cloud processing; sensor integration and multiple sensing solutions; and applications in LBS and disaster management