Plant Image Analysis Plant Image Analysis

Canopy Analysis

LAI Detective's Lab @ University of Helsinki


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Scientific article

Automated Analysis of in Situ Canopy Images for the Estimation of Forest Canopy Cover
Korhonen, L and Heikkinen, J
2009 Forest Science, Volume 55 (4),323-334

Description

Forest canopy cover is a commonly used ecological indicator variable, but its reliable estimation in the field with, e.g., the line intersect sampling method is laborious. One alternative for obtaining this information quickly is to sample a larger area of canopy from each pre-specified location within a sample plot by using digital cameras and then use image analysis techniques to extract canopy cover from the images.

The script presented here is an automated method for the estimation of canopy cover from skyward-looking canopy images obtained with standard digital cameras.



Modified from: Korhonen and Heikkinen (2009) Forest Science, Volume 55 (4),323-334

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Overview
Operating system
windows, mac, matlab,

Licence
freeware,

Measured variables
LAI,

Automation level
automated,

Plant requirements
tree,

Image requirements
any,

Export formats
any,

Other information
Requires Matlab to run

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