Photogrammetry

With best-in-class photogrammetry software and techniques, ISG provides complete 3-D stereo compilation services with capacity for very large & complex projects. Our capabilities include:

  • Airborne GPS / IMU processing
  • Fully Analytic Aerotriangulation (FAAT)
  • High resolution 9x9 film scanning (roll and cut film)
  • Stereo compilation
    • Softcopy
    • 2-D / 3-D feature extraction
    • Change detection
    • Map Updating
  • Planimetric Mapping
    • Roads, buildings, water bodies and other visual features
    • Infrastructure mapping
    • 2-D, 3-D vectors
    • Feature coding
  • Topographic Mapping
    • Design engineering accuracy
    • DEM/DTM generation
    • Autocorrelation
    • Volume Calculations
    • Cross Sections
    • Plan & profile sheets
    • ROW mapping(pipelines, roads, utilities)
  • Digital Orthophotography
    • High resolution
    • Tone match/color balance/mosaic
    • Update mapping
    • 2nd generation
  • Digital Terrain Modeling
  • Data Review & Quality Assurance
  • All vector and image format types supported