G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/89 (2006.01) G06T 7/00 (2006.01)
Patent
CA 2294441
The invention concerns a method for determining the orientation of fibre structure in a mineral wool mat, and in particular in a crimped mineral wool mats, which consists in recording on a video camera at least one image of a mineral wool mat predetermined zone and in evaluating said image luminous density profile using digital image processing. The vertical fibre proportion and the crimping fineness are computed from the luminous density profile and are digitally and/or graphically represented and evaluated.
On détermine l'orientation de la structure des fibres de matelas de laine minérale, et en particulier de matelas de laine minérale crêpés. On enregistre sur une caméra vidéo au moins une image d'une zone déterminée du matelas de laine minérale et on évalue le profil de densité lumineuse de ladite image à l'aide d'un traitement d'images numériques. Le taux de fibres verticales et la finesse du crêpage sont calculés à partir du profil de densité lumineuse et sont représentés et évalués numériquement et/ou graphiquement.
Cazin Sebastien
China Francois
Dupouy Valerie
Lebrun Denis
Leonard Christian
Goudreau Gage Dubuc
Isover Saint-Gobain
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