Retrieving designs from a sketch using an automated GT coding and classification system

Jeffrey A. Barton, Doug M. Love

Research output: Contribution to journalArticlepeer-review


While the retrieval of existing designs to prevent unnecessary duplication of parts is a recognised strategy in the control of design costs the available techniques to achieve this, even in product data management systems, are limited in performance or require large resources. A novel system has been developed based on a new version of an existing coding system (CAMAC) that allows automatic coding of engineering drawings and their subsequent retrieval using a drawing of the desired component as the input. The ability to find designs using a detail drawing rather than textual descriptions is a significant achievement in itself. Previous testing of the system has demonstrated this capability but if a means could be found to find parts from a simple sketch then its practical application would be much more effective. This paper describes the development and testing of such a search capability using a database of over 3000 engineering components.
Original languageEnglish
Pages (from-to)763-773
Number of pages11
JournalProduction Planning and Control
Issue number8
Publication statusPublished - 2005


  • product data management
  • group technology
  • part coding and classification
  • CAD design retrieval


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