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A Method of Lathe Checks Measurement; SMOF device and its software

Abstract : In the present paper, a novel method for veneer checks measurement and description based on digital image analysis is evaluated. According to this method, the camera is located sideways to the veneer allowing for viewing the checks geometry in the cross-section of the veneer. Checks are opened by bending the veneer on a roller of a specific diameter and they are exposed in such a way that good visibility of checks is assured. The algorithm used reproduces the checks by finding their coarse positions on the rescaled image and then migrating to the original, full resolution image to precisely localize the checks’ bottom. The method is automatic and delivers the most important information on checks of veneer, namely distances between checks and their depths.
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Bartosz Pałubicki, Rémy Marchal, Jean-Claude Butaud, Louis Denaud, Laurent Bleron, et al.. A Method of Lathe Checks Measurement; SMOF device and its software. European Journal of Wood and Wood Products, Springer Verlag, 2010, 68 (2), pp.151-159. ⟨10.1007/s00107-009-0360-y⟩. ⟨hal-01231471⟩

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