Developing raster bands computed from LiDAR to improve forest


Autoria(s): Fetyukova, Yuliya
Data(s)

23/04/2013

23/04/2013

2013

Resumo

This study examines the use of di erent features derived from remotely sensed data in segmentation of forest stands. Surface interpolation methods were applied to LiDAR points in order to represent data in the form of grayscale images. Median and mean shift ltering was applied to the data for noise reduction. The ability of di erent compositions of rasters obtained from LiDAR data and an aerial image to maximize stand homogeneity in the segmentation was evaluated. The quality of forest stand delineations was assessed by the Akaike information criterion. The research was performed in co-operation with Arbonaut Ltd., Joensuu, Finland.

Identificador

http://www.doria.fi/handle/10024/90100

URN:NBN:fi-fe201303062255

Idioma(s)

en

Palavras-Chave #LiDAR #surface interpolation #inverse distance weighting #noise reduction #edge preserving ltering #median ltering #mean shift ltering #segmentation #region growing #homogeneity criteria #AIC #forest stand
Tipo

Master's thesis

Diplomityö