Acquisition of data by photography Reconstructed area by VisualSFM (open source photogrammetry software)
Acquisition of data by laser and PC (or smartphone) Reconstructed area by specific software matlab
The standard deviation and the correlation length are calculated from the following equation, where sigma is the Root Mean Square and L the correlation lenght.
Comparison between laser and photography:
Laser
Photography
RMS (cm)
2.45
2.53
Correlation length (cm)
8.2
10.3
Coming soon instructions to use the codes... !!
GrenobleImagesParoleSignalAutomatique laboratoire
UMR 5216 CNRS - Grenoble INP - Université Joseph
Fourier - Université Stendhal