非一様テクスチャを有する物体群画像からのWavelet階層化を用いた品質推定 The Quality Estimation from Objects Group Image of Non-uniform Texture using Wavelet Hierarchy

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We describe classification into overall quality of objects produced in groups, corresponding with the surface appearance of the objects in non-uniform texture images. A method applied with a hierarchy by the Wavelet transform and a neural network (NN) is proposed. This method does not require mechanical picking or arranging before taking images, because the method directly uses an image of overlaping objects in the producing.<br>Reliable regions for classification are discriminated from unreliable regions using spatial localization of the Wavelet hierarchy through the reconstruction. Useful components for classification are extracted from the regions using frequency decomposition of the hierarchy. Wavelet channels (frequency bands) for the extraction are optimized in order that a brightness histgram from the extracted components can reflect difficulty according to classes. NN learns classification using the histgram based on judgment of a human expert, and yield an overall quality class of the whole image.<br>Experimental results prove practicality of the proposed method in the classification performance and in the processing speed.

収録刊行物

  • 電気学会論文誌. D, 産業応用部門誌 = The transactions of the Institute of Electrical Engineers of Japan. D, A publication of Industry Applications Society  

    電気学会論文誌. D, 産業応用部門誌 = The transactions of the Institute of Electrical Engineers of Japan. D, A publication of Industry Applications Society 119(1), 67-74, 1999-01 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10002727838
  • NII書誌ID(NCID)
    AN10012320
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09136339
  • NDL 記事登録ID
    970682
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-1608
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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