Spatial vegetation density index from terrestrial laser scannerReport as inadecuate

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1 LSIS - Laboratoire des Sciences de l-Information et des Systèmes 2 AMU - Aix Marseille Université 3 Université de Sherbrooke Sherbrooke

Abstract : Forest monitoring is a key issue in scientific, social and commercial domains. Manual measurements of forests attributes can be tedious and limited, hence, Terrestrial Laser Scanner TLS has been introduced in forest monitoring. Vegetation density index VDI is a way to quantify vegetation using voxels from TLS data. The VDI is estimated using ray tracing techniques in a 3D voxel grid. This process can be time consuming. We present a continuous approach to minimise the ray tracing usage in the VDI computation.

Keywords : laser scanner voxel vegetation density index lad

Author: Joris Ravaglia - Alexandra Bac - Richard Fournier -



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