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Surveying

Satellite imagery selection, acquisition and processing

From data selection to your custom automated processing pipeline

DEM, DSM development, topographical data processing

High-accuracy 3D terrain models for your most critical projects

Custom GIS solutions

Custom-built geospatial software to solve your unique business challenges

Collection and processing of the geodetical survey results

From raw field data to accurate, ready-to-use geospatial results

Development of custom case of UAV application for surveying

Solving your toughest survey challenges with custom-built UAV solutions

Satellite imagery selection, acquisition and processing

  • Comparative analysis of the available satellite imagery according to the client’s needs
  • Research of local free of charge satellite and aerial imagery data sources
  • Automated acquisition of the imagery updates
  • Elaboration and development of the data processing pipeline

Approaches

  • Client Requirement Assessment
  • Multi-Source Data Comparison
  • Automated Metadata Analysis
  • Modular Pipeline Design
  • Cloud-Native Processing
  • AI & Machine Learning Integration
  • Automated Quality Control

Data Types

  • Optical Satellite Imagery (Panchromatic, Multispectral, Hyperspectral)
  • SAR (Synthetic Aperture Radar) Imagery
  • Thermal & Infrared Satellite Data
  • Digital Elevation Models (DEM/DSM)
  • Cloud Cover & Atmospheric Data

Technologies

  • GDAL/OGR – Geospatial data processing
  • Rasterio – Raster image analysis
  • Sentinel Hub Python API – Querying Sentinel-2 & Landsat imagery
  • OpenCV – Image processing
  • Scikit-learn, TensorFlow – AI-based data classification
  • EarthPy – Earth observation data handling
  • Pyproj – Spatial transformations
  • Dask/Spark – Large-scale geospatial data processing.

Integration Experience

  • Integration into GIS platforms (QGIS, ArcGIS)
  • Cloud storage (AWS S3, Google Cloud Storage)
  • Enterprise GIS systems for decision support

DEM, DSM development, topographical data processing

  • DEM & DSM Generation from Remote Sensing Data
  • LiDAR-Based Topographical Data Processing
  • Topographic Map Generation & Contour Extraction
  • Orthophoto & 3D Surface Model Generation
  • Hydrological & Floodplain Modeling
  • Urban & Infrastructure Planning with DSM Analysis
  • Watershed Analysis: Using DEM to delineate water flow.
  • Flood Simulation: Hydrodynamic modeling based on rainfall/runoff data.

Approaches

  • Photogrammetric Processing: Stereo image analysis from satellite, UAV, or aerial imagery to derive elevation models.
  • SAR Interferometry (InSAR): Radar-based elevation mapping using phase differences.
  • Hybrid Models: Combining LiDAR, photogrammetry, and radar data for improved accuracy.
  • DTM Extraction: Removing vegetation and buildings for bare-earth models.
  • Breakline Detection: Identifying natural and man-made terrain changes.
  • Feature Extraction: Roads, rivers, buildings, and vegetation mapping.
  • DEM hydrological corrections (depression filling, breach detection)
  • Flow accumulation and watershed delineation
  • Rainfall-runoff modeling
  • Flood simulation based on historical and real-time data
  • Shadow and solar exposure analysis
  • Urban heat island analysis using surface elevation and land cover data

Data Types

  • Raster Data: GeoTIFF (DEM/DSM), ASCII Grid, HGT (SRTM data).
  • Point Cloud Data: LAS/LAZ (LiDAR format).
  • Vector Data: Shapefiles (for elevation contour lines).
  • Metadata: Accuracy reports, georeferencing details.
  • Vector Data: Shapefiles, DXF for extracted features.

Technologies

  • GDAL/OGR: Raster and vector data processing.
  • PDAL: Point cloud data processing.
  • OpenCV: Image processing for photogrammetry.
  • Mapnik/Leaflet.js: Cartographic rendering.
  • Matplotlib (Python): Contour generation.
  • TopoJSON/D3.js: Web-based interactive mapping.
  • HEC-RAS: Flood modeling.
  • TauDEM: Hydrological terrain analysis.
  • CityJSON/CityGML: 3D urban modeling.

Custom GIS solutions

  • GIS-Based Land Surveying & Mapping Solutions
  • AI-Powered Feature Extraction & Automated Mapping
  • UAV-Based Surveying & GIS Data Processing Solutions
  • GIS-Based Utility & Infrastructure Surveying
  • GIS-Powered Land Administration & Cadastral Solutions
  • 3D GIS & Digital Twin Development
  • Environmental GIS Solutions
  • Mobile GIS Surveying Apps
  • Integration of GIS with BIM

Approaches

  • High-Precision GNSS & RTK/PPK for centimeter-level accuracy.
  • LiDAR & Photogrammetry-based terrain modeling.
  • Automated georeferencing & orthorectification of aerial/satellite images.
  • AI-powered parcel boundary detection for cadastral mapping.
  • Photogrammetric processing of UAV imagery
  • LiDAR & GPR for underground utility detection.
  • AI-based defect detection for roads & pipelines.
  • IoT-enabled real-time monitoring of assets.
  • Automated parcel validation with AI.
  • LiDAR & BIM-based city modeling.
  • AI-based deforestation & flood risk analysis.
  • Hydrological modeling using DEMs.

Data Types

  • Raster: Satellite images, aerial/UAV orthomosaics, DEMs, DTMs.
  • Vector: Shapefiles (SHP), GeoJSON, KML (land parcels, boundaries, roads).
  • Survey Data: GNSS logs, total station points, field notes.
  • Point Clouds (LAS, LAZ) for elevation & structure mapping.
  • Cadastral maps (SHP, GDB).
  • Land ownership records (JSON, XML).
  • 3D mesh models (OBJ, FBX, glTF).
  • BIM models (IFC).
  • Climate data (NetCDF, GRIB).

Technologies

  • GDAL/OGR (Geospatial data processing).
  • QGIS/ArcGIS API for visualization & analysis.
  • PostGIS (Geospatial database storage).
  • Pyproj, Shapely (Coordinate transformations & geometry processing).
  • PDAL (LiDAR point cloud processing).
  • Rasterio, Fiona (Raster & vector processing).
  • OpenDroneMap (Open-source UAV data processing).
  • DroneKit/PX4 for UAV mission planning.
  • FME (Geospatial data conversion).
  • InfraWorks/Bentley OpenUtilities (GIS-integrated utility planning).
  • Land Information System (LIS) APIs.
  • CesiumJS (3D GIS visualization).
  • Unity/Unreal Engine for digital twin simulation.

Integration Experience

  • TMS & WMS layers for real-time map overlays.
  • Survey data uploading to cloud GIS platforms (ArcGIS Online, Google Earth Engine).
  • Integration with legal cadastre databases for land ownership verification.
  • SCADA systems for real-time infrastructure monitoring.

Collection and processing of the geodetic survey results

  • GNSS & Total Station Data Processing and Adjustment
  • LiDAR Point Cloud Processing
  • Photogrammetric Processing & Orthophoto Generation
  • GIS-Based Survey Data Management & Visualization
  • Digital Terrain & Surface Model Generation
  • Survey Data Quality Control & Accuracy Assessment
  • CAD & BIM Integration for Survey Data
  • AI-Powered Change Detection & Monitoring

Approaches

  • GNSS baseline processing using static, RTK, and PPK techniques.
  • Coordinate transformation using geodetic datum and projections.
  • LiDAR noise filtering (outlier removal, statistical denoising).
  • Point cloud classification (ground, vegetation, buildings).
  • Surface reconstruction (TIN/mesh models).
  • Feature extraction (curb lines, road markings, utility poles).
  • Structure-from-Motion (SfM) for 3D reconstruction.
  • Image rectification and bundle adjustment for accuracy.
  • Multi-view stereo (MVS) for dense point cloud generation.
  • Orthorectification using digital terrain models (DTM).
  • Spatial database management for survey data storage.
  • Real-time data updates and geospatial analysis.

Data Types

  • Raw GNSS data: RINEX, RTCM, NMEA
  • Total station data: CSV, DXF, XML
  • Survey metadata: GeoJSON, SHP
  • Coordinate reference systems: EPSG codes
  • Point cloud formats: LAS, LAZ, PLY, E57
  • Sensor data: IMU, GPS, LiDAR scan parameters
  • 3D mesh formats: OBJ, STL
  • Image formats: TIFF, JPEG, RAW
  • Vector: SHP, GeoJSON, KML
  • Geospatial databases: PostGIS, SpatiaLite

Technologies

  • RTKLIB (C/C++) – GNSS positioning and RTK/PPK processing.
  • GDAL/PROJ (C/C++) – Geodetic transformations.
  • pyproj (Python) – Coordinate reference system conversions.
  • Least Squares Adjustment (LSA) in NumPy/SciPy (Python)
  • PDAL (C++) – LiDAR point cloud processing.
  • PCL (C++) – Point cloud feature extraction.
  • Open3D (Python/C++) – 3D visualization & point cloud processing.
  • LAStools (C++) – Efficient LiDAR data handling.
  • OpenMVG/OpenMVS (C++) – SfM and MVS processing.
  • COLMAP (C++) – 3D reconstruction.
  • Leaflet.js (JavaScript) – Web mapping.
  • OpenLayers (JavaScript) – GIS visualization.
  • GeoPandas (Python) – Geospatial data processing.

Development of custom applications for UAV surveying

  • Surveying UAV Mission Planning & Automation
  • Real-Time UAV Data Transmission & Cloud Storage
  • Custom Photogrammetry & 3D Mapping Software
  • UAV LiDAR Data Processing & Analytics
  • UAV Surveying Data Fusion & GIS Integration
  • Underground UAV Surveying Applications

Approaches

  • AI-powered autonomous flight path generation based on GIS data and terrain models.
  • BVLOS (Beyond Visual Line of Sight) support using 5G/4G/LTE or satellite connectivity.
  • 3D mission planning & terrain-aware flight control (DTED, DSM, DEM integration).
  • Real-time mission reconfiguration based on weather, wind speed, and GNSS quality.
  • Real-time video streaming using adaptive bitrate encoding.
  • 5G/LTE/Wi-Fi/LoRaWAN for data transmission in remote areas.
  • Secure data storage using cloud-based object storage (AWS S3, Azure Blob).
  • AI-based feature matching & stitching for improved orthomosaic generation.
  • Multi-view stereo (MVS) & structure from motion (SfM) for 3D reconstruction.
  • Parallel processing using GPUs for faster computation.
  • Automated ground control point (GCP) detection for high accuracy.
  • AI-powered automatic classification of ground, vegetation, and structures.
  • Point cloud fusion with photogrammetry for enhanced accuracy.
  • Voxel-based noise filtering & compression for efficient storage.
  • SLAM-based real-time 3D mapping for GPS-denied environments.
  • Acoustic/LiDAR/thermal sensing for underground structure analysis.

Data Types

  • Geospatial data: DEM, DSM, DTED, CAD
  • Mission planning files: KML, KMZ, GPX
  • Flight telemetry data: MAVLink logs, RTK corrections, IMU data
  • Obstacle data: 3D point clouds, LiDAR scans
  • Weather & GNSS data: METAR/TAF reports, SBAS corrections
  • High-resolution images & video: JPEG, PNG, RAW, MP4
  • Processed data: GeoTIFF (orthomosaics), LAS/LAZ (point clouds)
  • Streaming formats: RTSP, WebRTC, H.265/H.264
  • Point clouds: LAS, LAZ, PLY
  • Orthomosaics & elevation models: GeoTIFF, DEM, DSM

Technologies

  • DroneKit / MAVSDK – UAV control & telemetry (ArduPilot, PX4).
  • Google OR-Tools / Pyomo – Path optimization algorithms.
  • QGIS / GDAL – Geospatial data handling & visualization.
  • FFmpeg / GStreamer – Video streaming & encoding.
  • ZMQ / Protobuf / WebSockets – Low-latency data transfer.
  • Open3D / Meshlab – 3D visualization.
  • RTAB-Map / ORB-SLAM3 – SLAM processing.