Forestry and Forest Products Research Institute;
Tsukuba;
Japan;
Kyushu Research Centre;
Forestry and Forest Products Research Institute;
Kumamoto;
Japan;
Ogunimachi Forestry Cooperative;
Oguni-Machi;
Japan;
Digital; Camera; Image; Editing; Software; Magnifications; Spotting; Scope; Taper; Curve; Upper; Diameter;