Optimal Gabor filters for textile flaw detection

A. Bodnarova, Mohammed Bennamoun, S. Latham

    Research output: Contribution to journalArticle

    151 Citations (Scopus)

    Abstract

    The task of detecting flaws in woven textiles can be formulated as the problem of segmenting a "known" non-defective texture from an "unknown" defective texture. In order to discriminate defective texture pixels from non-defective texture pixels, optimal 2-D Gabor filters are designed such that, when applied to non-defective texture, the filter response maximises a Fisher cost function. A pixel of potentially flawed texture is classified as defective or non-defective based on the Gabor filter response at that pixel. The results of this optimised Gabor filter classification scheme are presented for 35 different flawed homogeneous textures. These results exhibit accurate flaw detection with low false alarm rate. Potentially, our novel optimised Gabor filter method could be applied to the more complicated problem of detecting flaws in jacquard textiles. This second and more difficult problem is also discussed, along with some preliminary results. (C) 2002 Pattern Recognition Society. Published by Elsevier Science Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)2973-2991
    JournalPattern Recognition
    Volume35
    DOIs
    Publication statusPublished - 2002

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