/
Earth observation & GeoAI/
TechnologiesEvery technology this platform builds with, layer by layer, from the open taxonomy. Marked in red: what is moving now, each traced to its source.
Plan with usArchitectureAreas · 4 Technologies · 132 Industries · 16
01The layered map
Layer by layer, from the open taxonomy.
Each domain this platform draws on, with its layers and the technologies in each. Open a layer for what each technology does and the standard behind it.
Remote sensing and Earth observation
Every platform, sensor, processing level and ground-segment step that turns remote measurements of the Earth into calibrated, analysis-ready evidence for a site, a region or a network.
The full directory →Platforms and orbits
Technologies · 8 · Frontier · 1
- Geostationary imagers and sounders
- Low Earth orbit sun-synchronous missions
- Small satellite constellations
- High-altitude platform stations (HAPS)
- Crewed survey aircraft
- Drones and remotely piloted aircraft
- Tethered aerostats and balloon soundings
- Ground-based remote sensing
Optical, spectral and thermal sensors
Technologies · 8 · Frontier · 1
- Panchromatic and very high resolution optical
- Multispectral imagers
- Hyperspectral imaging spectrometers
- Thermal infrared imagers
- Stereo, tri-stereo and video capture
- Ocean colour and aquatic reflectance
- Low-light and night-time imaging
- Solar-induced fluorescence
Radar, lidar and microwave sensors
Technologies · 10 · Frontier · 1
- Synthetic aperture radar by band (P, L, S, C, X, Ku, Ka)
- Interferometric SAR (InSAR)
- Polarimetric SAR (PolSAR)
- Ocean radar backscatter and scatterometry
- Radar altimetry
- Lidar (airborne, drone and spaceborne)
- Passive microwave radiometry
- GNSS radio occultation
- GNSS reflectometry
- Atmospheric sounders and composition instruments
Processing levels and analysis-ready data
Technologies · 9
- Level 0: raw instrument data
- Level 1: calibrated and geolocated
- Level 2: geophysical variables
- Levels 3 and 4: gridded, composited and modelled
- CEOS analysis-ready data
- Atmospheric, terrain and radiometric terrain correction
- Cloud, shadow and quality masking
- Onboard and ground compression
- Product metadata and lineage
Calibration and validation
Technologies · 8
- Pre-flight and onboard calibration
- Vicarious calibration and test sites
- Inter-calibration of satellite instruments
- Fiducial reference measurements
- SAR calibration targets
- Geometric accuracy and ground control
- Product validation stages
- In situ match-up networks
Tasking, ground segment and access
Technologies · 9 · Frontier · 1
- Tasking, mission planning and revisit analysis
- Orbit and conjunction data
- Ground stations and downlink
- Space link extension and station networking
- Direct broadcast and edge processing
- Optical ground stations
- Ground segment security
- Licensing and remote sensing law
- Disaster activation and rapid mapping
Data cubes, analysis and archives
Technologies · 7
- EO data cubes
- Imagery catalogues
- Time-series analysis
- Essential climate, ocean and biodiversity variables
- Fusion with in situ data and models
- Long-term archive and preservation
- Commercial and open data licensing
Frontier and research
Technologies · 8 · Frontier · 8
- Onboard AI and in-orbit processing
- Optical inter-satellite links and data relay
- High-revisit SAR and high-resolution thermal constellations
- Imaging spectroscopy constellations
- Greenhouse gas point-source detection
- EO foundation models and embeddings
- Quantum and cold-atom gravimetry
- Digital twins of the Earth
GIS, maps and GeoAI
The reference frames, formats, services, analysis methods, machine learning and 3D models that turn observations into located, queryable and decision-ready geographic information.
The full directory →Reference systems and geodesy
Technologies · 7
- Terrestrial reference frames
- National and regional datums
- Coordinate reference systems and operations
- Dynamic datums and time-dependent coordinates
- Geoid models and vertical datums
- Precise GNSS positioning (RTK, PPP, PPP-RTK)
- Pose and orientation
Vector, raster and array formats
Technologies · 10
- Simple features and geometry models
- GeoJSON
- GeoPackage
- GeoParquet
- Cloud Optimized GeoTIFF (COG)
- Zarr and multidimensional arrays
- netCDF and HDF5
- Coverages
- Point clouds
- Geography Markup Language
Tiling, maps and visual services
Technologies · 7
- Tile matrix sets
- Vector tiles
- PMTiles single-file archives
- Raster map tiles and legacy map services
- Map rendering APIs
- Styles and symbology
- Offline and low-bandwidth maps
APIs, catalogues and discrete global grids
Technologies · 8
- OGC API – Features
- OGC API – Processes
- OGC API – Environmental Data Retrieval (EDR)
- OGC API – Records and Coverages
- SpatioTemporal Asset Catalog (STAC)
- Discrete global grid systems (DGGS)
- H3 hexagonal index
- Feature catalogues and data dictionaries
Spatial analysis and siting
Technologies · 10
- Terrain analysis
- Hydrological modelling
- Flood inundation and hazard mapping
- Viewshed and line of sight
- RF propagation and coverage prediction
- Network analysis
- Spatial statistics and interpolation
- Multi-criteria siting (MCDA)
- Geocoding and addressing
- Moving features and trajectories
GeoAI
Technologies · 10 · Frontier · 3
- Semantic segmentation and land cover
- Change detection
- Object detection and counting
- Training data and labels
- Model metadata and model cards
- Accuracy assessment
- Edge inference on imagery
- Geospatial foundation models
- Super-resolution and multi-sensor fusion
- Geospatial agents and natural-language queries
3D, BIM and digital twins
Technologies · 8 · Frontier · 2
- City and site models
- 3D Tiles and scene layers
- BIM and asset information
- Photogrammetry and reality capture
- Indoor and underground models
- Digital twin frameworks
- Sensor-fused live twins
- Geospatial augmented reality
Metadata, quality and publication
Technologies · 5
- Geographic metadata
- Data quality
- Map accessibility
- Licensing of map sources
- Spatial data infrastructures
02Across the network
The whole spectrum, on the main site.
Main siteEvery technology domain
All domains, layers and items, with their sources.Open →Main siteThe spectrum
The technologies of observation on one map.Open →Observatory ProtocolStandards
The open standards the protocol is composed from.Open →03On this site
Where to go next.
Earth observation & GeoAIAreas
Every area, with its systems and standards.Open →Earth observation & GeoAIArchitecture
Layers, functions and evidence.Open →Earth observation & GeoAIIndustries
The industry sites built on this platform.Open →Earth observation & GeoAIResources
Explainer, stories, specification and forms.Open →Bring us the site.
We bring the survey, the design and the crew. The form names who receives your details.
Plan a deploymentContact