Compression wood detection in Scots pine viewed in transmitted light
Using Compression Wood Analysis 1.0 software (Dianthus/SLU)
Photograph courtesy of Swedish University of Agricultural Sciences
Compression wood detection in Norway spruce
Photographs courtesy of University of Freiburg
Compression wood detection in Sitka spruce viewed in reflected light
Using Optimas 6.5 (Media Cybernetics) image analysis software
Photographs Forest Research
Use of a digitiser to assess the disc and ring shapes, and shape of the zone of compression wood
Photographs courtesy of Institut National de la Recherche Agronomique (INRA) - France
Image of the disc
Results of the automated treatment
DistPG : disc eccentricity
CWAS : compression wood angular sector (between the two green lines).
CWMP : compression wood angular sector mean position
In blue, the geometric centre of the disc (big square) and the geometric centre of the compression wood area (little square)
