Innovative, insightful LiDAR consulting services

  • We analyze, model and process your data to make laser ranging enter the information era.
  • We help you define the data collection requirements that best fit your needs.
  • We can fix your data if something went wrong during collection.
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Various raw waveform data processing tasks
  • Deconvolution

    remove ringing artifacts that causes unwanted underground returns

  • Pulse extraction

    estimate robust peak timing and properties (amplitude, width), with higher accuracy and sensitivity than commonly used proprietary software

  • System calibration

    use collected data to model the impulse response and noise properties, as required by deconvolution and pulse extraction

  • Decomposition

    extract multiple returns for vegetation applications, compression or visualization

  • Optimal subsampling

    resample the data without losing information, for further processing, compression or visualization

Range uncertainty computation
  • Fast range uncertainty

    predict uncertainty based on extracted peak properties, after calibration

  • Bayesian range error propagation

    predict uncertainty using peak modeling and Bayesian inference

Reverse engineering
  • Proprietary format decoding

    raw binary data file decoding using sample binary files and available documents;
    examples: Riegl LMS-Q680i, LMS-Q780 (sdf format)

  • Instrument modeling

    build a geometric/radiometric model to enable data processing without the bundled proprietary software, thus allowing to overcome its limitations

Elevation model generation and change detection – for research purposes
  • DEM generation

    compute accurate gridded elevation products using innovative techniques

  • Vegetation filtering

    generate bare-ground models using unique probabilistic methodology

  • Change detection

    analyze multidate DEM or point clouds (align them if necessary),
    to build maps of statistically significant changes

  • Matching and registration

    infer the 3D deformation (rigid or non-rigid) between multidate DEM or point clouds using ground-breaking methodology;
    application examples: post-earthquake damage assessment, ground deformation measurement