This paper concerns the problem of standing tree volume measurement based on digital image processing. A computer
and a camera were used in our work. Before the tree photo was taken, two red color marking labels were attached on the
trunk. After the marking points and the tree trunk were extracted, the tree trunk edges were fitted with a high order curve.
Then the volume of tree trunk of any height selected with a rectangle can be calculated. The experimental results show
that the relative measurement error is low enough. So it is a viable method.
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