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Photogrammetry

 Photogrammetry

Aerial Intelligence through High-Resolution Imagery

At Cartospatial Technologies, our Photogrammetry services transform aerial images into actionable geospatial data. Using drones and high-resolution cameras, we generate accurate 2D maps and 3D models for planning, monitoring, and analysis. Whether it’s construction, agriculture, mining, or heritage documentation our photogrammetry delivers clarity and scale you can rely on.

Key Features of Our Photogrammetry Services

  • High-Resolution Aerial Imagery
    • Captured using UAVs with calibrated cameras
    • Ground Sample Distance (GSD) as fine as 1 cm/pixel
  • Precise 2D & 3D Outputs
    • Orthophotos, DSMs, DTMs, point clouds, and textured 3D models
    • Georeferenced to national or site-specific coordinate systems
  • Fast & Scalable Data Collection
    • Covers large areas in minimal time
    • Ideal for ongoing monitoring and time-lapse analysis
  • Ground Control Integration
    • Enhanced accuracy with GCPs and RTK-enabled drones
    • Down to 2-5 cm positional accuracy
  • Automated & Manual Processing
    • Use of AI algorithms for feature extraction
    • Manual QC for highest reliability
  • Flexible Platform Support
    • Compatible with Processing extents
    • Outputs ready for use in GIS, CAD, and BIM platforms
  • Visual Inspection Tools
    • Annotated visuals for defect detection, vegetation studies, and volume measurement
    • Web-based access to interactive maps
  • Multi-Sector Usage
    • Mining, construction, infrastructure, urban planning, forestry, agriculture, and archaeology

Applications

  • 2D orthomosaic map generation
  • 3D reconstruction of terrain, buildings, or quarries
  • Volume calculation for stockpiles and cut/fill analysis
  • Site progress monitoring and inspection
  • Vegetation index mapping (NDVI, GNDVI, VARI)
  • Contour and elevation map creation
  • Heritage conservation and documentation
  • Road, canal, and railway corridor surveys


Deliverables

📍 Orthomosaic Maps

  • High-resolution, geo-rectified 2D maps (.tiff, .jpeg)
  • Embedded coordinate systems and scale references

📍 3D Models

  • Dense point clouds (.las/.laz/.xyz)
  • Textured mesh models (.obj/.fbx/.ply)
  • Interactive 3D PDFs or web visualizations (if required)

📍 Surface Models

  • Digital Surface Models (DSM) and Digital Terrain Models (DTM)
  • Contour maps at specified intervals

📍 Photographic Reports

  • Project overview with flight details and GCP locations
  • Sample raw images and camera parameters
  • Metadata including time, altitude, orientation

📍 Accuracy Reports

  • RMSE values for vertical and horizontal precision
  • Ground control summary and error analysis

📍 GIS & CAD Data

  • Shapefiles and DXF files for feature mapping
  • Elevation profiles, line work, and annotations

📍 Raw & Processed Files

  • Original images (RAW/JPG)
  • Processed outputs in multiple formats
  • Mission logs and quality reports
With Cartospatial Technologies, experience photogrammetry that is accurate, scalable, and visually rich. We deliver the full picture from above so you can plan smarter, build stronger, and monitor better


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