Lumber defect scanning including multi-dimensional pattern...

Details Lumber defect scanning including multi-dimensional pattern... Lumber defect scanning including multi-dimensional pattern...

G - Physics

01

N

G01N 21/88 (2006.01) G01N 21/47 (2006.01) G01N 21/55 (2006.01) G01N 21/898 (2006.01) G01N 33/46 (2006.01)

Patent

CA 2146911

Grain defect scanning takes into account a broad set of data representing both wood grain structure and wood grain image to provide a multi-dimensional scan vector for an inspection point with wide variation therein relative to defect types. A library of similarly structured multi-dimensional training set vectors developed during a preliminary training session with known defect types is referenced by multivariate pattern recognition analysis to classify a collection of scan vectors associated with an article under inspection. By statistically matching scan vectors with training set vectors under pattern recognition analysis, physical locations on a wood article are identified according to known defect types.

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