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A Real-Time Algorithm for Assessing Inhomogeneities in Fabrics

✍ Scribed by Joachim Weickert

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
186 KB
Volume
5
Category
Article
ISSN
1077-2014

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✦ Synopsis

A Real-Time Algorithm for Assessing Inhomogeneities in Fabrics

loudiness constitutes an important quality parameter of nonwoven fabrics. We show that C it can be graded using a specific Laplacian pyramid decomposition which has to be modified at the boundaries. An algorithm is presented which calculates a quality measure as a weighted mean of the variances at all pyramid levels, where the weights are adapted to the human perception of cloudiness. The obtained results reach the quality of a human assessor. The method is easy to implement and it can be used for online grading of the complete fabric production of a plant.

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