Object oriented concepts and mechanisms for feature-based computer integrated inspection

Christopher C. Yang, Michael Marefat

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Computer vision can provide fast, accurate and reliable inspection. In this paper is described a knowledge-based vision inspection planning system for manufactured components based on their CAD design models. An object oriented methodology is developed to capture the knowledge such as the geometric entities, their relationships, sensors and plans. Reasoning mechanisms are developed to automatically determine various attributes of the different features of an object to be inspected, and to generate the alternative strategies for inspection of each attribute. Mechanisms for automated generation of sensor settings and optimization of the inspection plan are also developed. Sensor constraints are considered in determining the camera parameters. This inspection methodology is flexible, and it is easily integrated with the design and process planning aspects of an integrated manufacturing system.

Original languageEnglish (US)
Pages (from-to)157-179
Number of pages23
JournalAdvances in Engineering Software
Issue number2-3
StatePublished - 1994


  • active vision
  • computer integrated inspection
  • computer integrated manufacturing
  • computer-aided design
  • feature-based inspection
  • geometric reasoning
  • object oriented methods

ASJC Scopus subject areas

  • Software
  • General Engineering


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