Sanna Kaasalainen

Sanna Kaasalainen is a professor and a deputy director at the Department of Navigation and Positioning at the Finnish Geospatial Research Institute of the National Land Survey of Finland (FGI-NLS). Her research interests include sensor positioning, multispectral laser scanning and their applications in environmental perception and situational awareness.


The Multispectral Journey of Lidar

Optech Titan-3 has ushered in the era of multispectral airborne laser scanning, but multispectral terrestrial laser scanning (TLS) is still only available via research instruments, mostly for ecological vegetation studies. Analysing spectral ratios can reveal much about vegetation status and health,... (read more)