カラーモノクロ画像変換の高精度エッジ検出への適用 Application of Color-Gray Image Transformation to High Accurate Edge Detection

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This paper proposes a new method of color-gray image transformation. In comparison with gray image processing, color image processing is not often applied to appearance inspections because of its high cost and complexity of processing. To solve this problem, we have developed a method for rapidly transforming a color image into a gray-scale image by the use of a look-up table without losing useful information for inspection. In this method the gray level is decided by the distance between representative points of clusters. To extract an object clearly, all background clusters are transformed to an equal level and the borders of objects and backgrounds are enhanced.<br>The experimental results indicated detecting edges to a level of subpixel precision in the transformed images. This method is presented to show its validity for appearance inspections.

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  • 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 117(3), 342-347, 1997-03 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10002724075
  • 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
    4150056
  • 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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