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<p>From forest to finished product, wood moves through a series of stages that are little changed from sawmill practices of a hundred years ago. Many of the subjective decisions workers make along the way directly affect the quality and yield of the wood products. Wood grows more valuable and labor more expensive every day. At the same time, technology now exists to provide more complete information to decision makers. </p> <p>This article describes a machine vision prototype for wood products manufacturing. The prototype uses color cameras, laser and X-ray scanners, and three key image-processing algorithms. The full-scale prototype meets all industrial requirements except that it does not provide a full range of speeds. Its application shows the usefulness of machine vision technology in the forest products industry.</p>

P. A. Araman, R. W. Conners, T. H. Drayer and D. E. Kline, "Machine Vision Technology for the Forest Products Industry," in Computer, vol. 30, no. , pp. 43-48, 1997.
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