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  • 1920-1924
  • 1900-1904  (1)
  • Keywords:Defect detection; Gabor filter; Machine vision; Surface inspection  (1)
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  • 1920-1924
  • 1900-1904  (1)
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    Electronic Resource
    Electronic Resource
    Springer
    The international journal of advanced manufacturing technology 16 (1900), S. 474-482 
    ISSN: 1433-3015
    Keywords: Keywords:Defect detection; Gabor filter; Machine vision; Surface inspection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: In this paper we present a machine vision system for the automatic inspection of defects in textured surfaces found in industry. The defects to be inspected are those that appear as local anomalies embedded in a homogeneous texture. The proposed method is based on a Gabor filtering scheme that computes the output response of energy from the convolution of a textured image with a specific Gabor filter. The best parameters of a Gabor filter are selected so that the energy of the homogeneous texture is zero, and any unpredictable defeats will generate significantly large energy values. A simple thresholding scheme then follows to discriminate between homogeneous regions and defective regions in the filtered image. This transforms texture differences into detectable filter output. The experiments on structural textures such as leather and sandpaper have shown the effectiveness of the proposed method.
    Type of Medium: Electronic Resource
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