Measurement of Iron Rust Area Ratio by Image Processing Using Color Photography and Machine Learning

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  • Ui Tsuyoshi
    Tokyo Metropolitan Industrial Technology Research Institute

Bibliographic Information

Other Title
  • カラー写真と機械学習を用いた画像処理による鉄さび面積の測定

Description

<p>A method using binarized image data is common to calculate the area of iron rust in a digital image system. However, iron rust includes red rust as well as black corrosion products, and it may be inappropriate to use binarized data. Therefore, we tried to evaluate with a 24-bit color image of sRGB. The areas of red rust, black corrosion products, and metal substrate of a small area iron rust image were visually judged, teacher data was created, and evaluation was performed using a support vector machine. As a result, the image was divided into each area, and the area and its ratio could be calculated.</p>

Journal

  • Corrosion Engineering

    Corrosion Engineering 71 (8), 231-236, 2022-08-10

    Japan Society of Corrosion Engineering

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