| 摘要 |
Disclosed is a stacking method, for measuring the timber volume and other dimensions of a stack of logs, in which method the external dimensions of the stack, the average diameter and length of the logs are measured, and from these the timber volume is calculated. In the method, a beam of light on the stack is set transversely round the stack, the beam of light at the surface of the stack is photographed at an angle from both in front and behind, and the location of the beam of light is measured from a video image. Furthermore, curves in the video image depicting the surface of the logs are recognized and differentiated from the image obtained, the diameters of the outer logs are calculated from the curves at the point of measurement, the measurement is carried out at regular intervals over the entire length of the stack, when the lengths of the outer logs are also obtained, and the dimensions of the outer logs are calculated and used to determine the average diameter and length of the logs.
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