Image enhancement through intelligent localized fusion operators in the automated visual inspection of highly reflective surfaces

  • Authors:
  • Aureli Soria-Frisch;Mario Köppen

  • Affiliations:
  • Technology Department, Pompeu Fabra University, Passeig Circumval.lació 8, 08003 Barcelona, Catalonia, Spain;Kyushu Institute of Technology, Department of Artificial Intelligence, 680-4 Kawazu, Lizuka, Fukuoka 820-8502, Japan

  • Venue:
  • Information Fusion
  • Year:
  • 2008

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Abstract

The selection of a suitable illumination subsystem is seldom practicable in the automated visual inspection of highly reflective surfaces. The paper presents an algorithmical approach in the form of a framework for enhancing images of objects with such surfaces. This framework is based on the application of so-called Intelligent Localized Fusion Operators (ILFOs), whose formalization is herein undertaken for the first time. Furthermore the guidelines for its implementation are given and different aspects of the resulting pre-processing system are systematically analyzed. The framework successfully performs in the automated visual inspection of different objects presenting highly reflective surfaces, namely headlamp reflectors, plastic bundled packages, and electric bulbs.